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2014年1月24日星期五

EMC certification E20-670 exam training materials

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Exam Code: E20-670
Exam Name: EMC (Networked Storage-CAS Installation/Troubleshooting Specialst)
One year free update, No help, Full refund!
Total Q&A: 180 Questions and Answers
Last Update: 2014-01-24

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NO.1 Which program has been specifically designed for small-sized and medium-sized businesses and
provides easy, cost-effective network support to help ensure reliable operations, contain costs, and
protect their investments?
Select the best response.
A. Cisco Software Application Support Services
B. Cisco Focused Technical Support Services
C. Cisco Smart Foundation Service
D. Cisco SP Base
E. Cisco SMARTnet Onsite
Answer: C

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NO.2 How many leading bits are used to determine the class of an Internet address?
A. 3
B. 4
C. 8
D. 16
Answer: C

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NO.3 Which three of the following are benefits of Cisco TAC? (Choose three.)
Select 3 response(s).
A. Direct or indirect access to the global Cisco TAC organization
B. The ability to access teams of experts
C. Onsite engineering support
D. Minimizes risks associated with network downtime
E. Upgrades from base Cisco IOS Software to advanced feature set Cisco IOS Software
F. Project management and planning support
Answer: ABD

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NO.4 Which tool provides a complete guide that makes it easier for partners, regardless of their experience
level, to sell Cisco Unified Communications solutions to their customers?
Select the best response.
A. Solution Expert
B. Quote Builder
C. Sales Accelerator
D. Competitive Edge
E. Cisco Discovery
Answer: C

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NO.5 What feature does the Partner E-Learning Connection provide?
Select the best response.
A. Full versions of all Cisco technical-level classes
B. Live instructor-led, web-based classes
C. Flexible, web-based knowledge and learning
D. Hosted website that partners use to deliver e-learning to customers
E. Lists of training-partner class offerings
Answer: C

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NO.6 Which stage of Cisco Lifecycle Services comprises services that ensure the design and deployment of
the desired network functionality?
Select the best response.
A. Prepare
B. Plan
C. Design
D. Implement
E. Operate
Answer: D

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NO.7 What is the key element in SMB solutions?
Select the best response.
A. They provide the lowest possible cost.
B. They reduce the cost and complexity associated with multiple services in a single device.
C. They reduce complexity by eliminating features.
D. Consumer-level products are suitable for SMB needs.
E. Reliability is not important since replacement products are inexpensive.
Answer: B

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NO.8 Which layer of the OSI model does FTP use?
A. Application
B. Data link
C. Network
D. Transport
Answer: A

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NO.9 Which technology is best deployed to meet the needs of users who desire secure remote access to
corporate resources?
Select the best response.
A. VPN-enabled routers
B. Cisco Security Agent
C. Cisco Adaptive Security Appliances
D. Cisco Adaptive Security Device Manager
E. Cisco Intrusion Prevention System
Answer: C

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NO.10 In the OSI model, which layer would a router be defined in?
A. Data link
B. Network
C. Network interface
D. Transport
Answer: B

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NO.11 Which three products are targeted primarily for deployment in enterprise environments? (Choose
three.)
Select 3 response(s).
A. Cisco 1800 Series ISRs
B. Cisco Catalyst 4500 Series Switches
C. Cisco Catalyst 2960 Series Switches
D. Cisco Catalyst 6500 Series Switches
E. Cisco 7200 Series Routers
F. Cisco 2800 Series ISRs
Answer: BDE

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NO.12 Which portal provides timely and concise information for sales professionals in competitive situations?
Select the best response.
A. Solution Expert
B. Quote Builder
C. Sales Accelerator
D. Competitive Edge
E. Cisco Discovery
Answer: D

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NO.13 Which network topology best describes how EMC Centera nodes are networked together?
A. Bus
B. Mesh
C. Ring
D. Star
Answer: D

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NO.14 What resource allows Cisco partners to get funding for preapproved activities, such as catalogs,
yellow pages, events, trainings, e-mail blasts, and advertising?
Select the best response.
A. Solution Expert
B. Quote Builder
C. Joint Marketing Fund
D. Cisco Discovery
E. Steps to Success
Answer: C

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NO.15 On what type of network does the Cisco Unified Communication system reside?
Select the best response.
A. Independent voice, video, and data networks
B. Voice networks only
C. A single, joined voice, video, and data network
D. Data networks only
E. Wireless networks only
Answer: C

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NO.16 Which port number is used to communicate to an SMTP server?
A. 20 or 21
B. 22
C. 25
D. 321
Answer: C

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NO.17 Which type of deployment utilizes ISRs with Cisco IOS Security feature sets to provide an ideal,
low-cost, yet capable and powerful platform?
Select the best response.
A. Small deployments
B. Large deployments
C. Medium deployments
D. Commercial deployments
E. Financial deployments
Answer: A

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NO.18 What type of approach is used to deploy, operate, and optimize Cisco solutions?
Select the best response.
A. Lifecycle advantages
B. Lifecycle services
C. Lifestyle services
D. Lifestyle advantages
E. Lifetime advantage
Answer: B

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NO.19 What are four layers in the ARPA (TCP/IP) architecture?
A. Application, session, transport, and physical
B. Application, transport, network, and network interface
C. Presentation, network, data link, and network interface
D. Presentation, transport, data link, and physical
Answer: B

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NO.20 What are the three commonly recognized top-level business drivers for data centers? (Choose three.)
Select 3 response(s).
A. Protecting the business from information outages
B. A need to decentralize IT assets
C. Increasing the rate of adoption of new, nonstandardized technologies
D. Optimizing the efficiency with which IT operates
E. An increased need for specialized IT silos
F. Growing IT systems
Answer: ADF

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2014年1月19日星期日

EMC E20-361 the latest exam questions and answers free download

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Exam Code: E20-361
Exam Name: EMC (Network Attached Storage (NAS) Implementation Exam)
One year free update, No help, Full refund!
Total Q&A: 319 Questions and Answers
Last Update: 2014-01-19

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NO.1 What application provides integration between the Celerra and the iSCSI host for replicating an iSCSI
LUN?
A.Replication Manager
B.Unisphere Manager
C.Navisphere Manager
D.Celerra Manager
Answer:D

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NO.2 ile systems created for iSCSI LUNs should be large enough to accommodate which objects?
A.iSCSI LUNs and NFS
B.iSCSI LUNs and snaps
C.iSCSI LUNs
D.iSCSI LUNs and CIFS
Answer:B

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NO.3 What is the default result of joining a CIFS server to a Windows Active Directory domain?
A.The CIFS server shares are dynamically updated in DNS.
B.The CIFS server interface is dynamically assigned from Active Directory.
C.The "EMC Celerra" container is created in Active Directory.
D.The CIFS server is added to the Active Directory Computers container.
Answer:C

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NO.4 Which Celerra Data Mover file controls both the services used for name resolution and the order in
which they are used?
A.nsswitch.conf
B.nslookup.conf
C.hosts.conf
D.resolv.conf
Answer:A

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NO.5 File systems created for iSCSI LUNs should be large enough to accommodate which objects?
A.iSCSI LUNs and NFS
B.iSCSI LUNs and snaps
C.iSCSI LUNs and CIFS
D.iSCSI LUNs
Answer:B

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NO.6 You have decided to use the Automatic SavVol Extension. For a Celerra of 200 GB a SavVol with 20
GB is created.
What is the size of the next Automatic SavVol Extension when HWM is reached?
A.20 GB
B.20 MB
C.64 MB
D.64 GB
Answer:A

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NO.7 An administrator wants to present several CIFS shares to users through one file server. The shares are
stored on many physical machines. What can be used with the Celerra to achieve this goal?
A.Celerra global CIFS server
B.Default CIFS server
C.Distributed File System
D.Virtual Data Mover
Answer:C

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NO.8 How is Kerberos used within the Active Directory?
A.For user authentication
B.Provides encryption of stored user passwords
C.For time synchronization
D.Provides Dynamic DNS updates
Answer:A

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NO.9 A user needs to test new software with existing data stored on a Celerra file system that has
checkpoints. The Celerra administrator is asked to mount a SnapSure checkpoint from the file system to a
different Data Mover.
Can the administrator fulfill this request? Why or why not?
A.Yes, but only if the checkpoint is mounted read-only
B.Yes, but the checkpoint cannot be restored to the PFS
C.No, because the checkpoint relies on the PFS
D.No, because a writeable snap is required for testing
Answer:C

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NO.10 You just created a new file system and exported it as an NFS export. You are informed that someone
deleted the .etc configuration directory.
What would be the best way to prevent this in the future?
A.Remove write permission on the .etc directory.
B.Export a subdirectory of the root file system.
C.Educate users about deleting system directories.
D.Set the hidden attribute on the root directory.
Answer:B

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NO.11 Which component of SnapSure identifies changed data blocks in the production file system?
A.Bitmap
B.Blockmap
C.Superblock
D.Inode
Answer:A

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NO.12 How does the Control Station access disk partitions on the back-end storage?
A.FC
B.NBS
C.iFCP
D.iSCSI
Answer:B

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NO.13 A Celerra file system has a SnapSure schedule enabled for daily checkpoints. By using the Microsoft
Shadow Copy Client, a user can see previous versions of a certain file up to a certain date in the past, but
nothing else after that.
What could be the cause of this issue?
A.Checkpoints are currently being used by an application.
B.All of the checkpoints have been refreshed.
C.There have been no changes to the file.
D.The SavVol has reached a full state.
Answer:D

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NO.14 The storage administrator would like to know if more AV servers are necessary for optimal
performance and protection.
Which tool can the system administrator use to analyze current utilization of the antivirus environment?
A.CAVA Calculator
B.NAS Support Matrix
C.CAVA Sizing Tool
D.Celerra Monitor
Answer:C

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NO.15 Which describes how a Usermapper client resolves a Windows SID to UNIX UID/GID?
A.Uses the resolution order defined in the Data Mover nsswitch.conf file
B.Broadcasts over the internal Celerra network for secmap cache on server_2
C.Uses the ntxmap.conf file first, then the Data Mover secmap cache
D.Broadcasts over the internal Celerra network for a primary or secondary Usermapper service
Answer:D

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NO.16 You have moved a VDM from one Data Mover to another. Now the users cannot access the data. What
could cause this condition?
A.Interface names are different to the source VDM.
B.The IP address on the target Data Mover is set before the move.
C.Target Data Mover sees all file systems of the source VDM.
D.You keep the same IP addresses.
Answer:A

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NO.17 You are implementing a CIFS solution and will possibly be using Virtual Data Movers. Which CIFS
dynamic configuration information is contained within the Virtual Data Mover?
A.Virus checker configuration
B.CIFS startup configuration
C.DFS root ID information
D.Share information
Answer:D

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NO.18 Which statement describes Celerra gateway Fibre Channel connectivity between the blades and the
back-end storage?
A.CLARiiON back-end storage can only be connected to blades via direct connection.
B.Symmetrix back-end storage can only be connected to blades via direct
C.Symmetrix back-end storage can only be connected to blades via switched fabric.
D.CLARiiON back-end storage can only be connected to blades via switched fabric.
Answer:C

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NO.19 Which Celerra feature stores Windows SIDs correlated to UIDs and GIDs?
A.ntxmap
B.NASDB
C.secmap
D.SavVol
Answer:C

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NO.20 You are implementing a Celerra CIFS solution. When discussing the mapping method choices, the site
administrator asks you to explain the significance of the user mapping method for CIFS users.
How do you respond to the site administrator?
A.CIFS servers that join the Windows domain are assigned domain SIDs. The mapping method is used to
uniquely identify the CIFS servers in the Windows AD domain to UNIX NFS servicers in the NIS domain.
B.Celerra has a UxFS-based file system that requires UNIX style UIDs and GIDs for file and directory
permissions. Windows users and groups are identified with SIDs. The mapping method correlates UNIX
UIDs and GIDs to Windows SIDs for uniquely identifying users.
C.Celerra has a UxFS-based file system that stores UNIX style UIDs and GIDs and Windows SIDs for file
and directory permissions. The mapping method correlates the SIDs for local group permissions on the
CIFS server shares.
D.Stand-alone CIFS servers require a manual SID assignment when configured on a Celerra. When
users from the Windows domain access the Celerra the mapping method correlates the stand-alone CIFS
server SID with the Windows user SIDs.
Answer:B

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Exam Code: E20-616
Exam Name: EMC (Symmetrix Installation and Troubleshooting Specialist)
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Total Q&A: 241 Questions and Answers
Last Update: 2014-01-19

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NO.1 All the memory slots in a DMX-1000 are occupied. In this case, what is run from the procedure Wizard
to perform Memory Replacement?
A. Add Memory Board script to the Universal slot script, run Replace Memory Board Script, and replace
that board
B. Remove Memory Board script first and then Add Memory Board Script
C. Replace Memory Board script
D. Upgrade Memory Board script
Answer: B

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NO.2 Click the exhibit button.
You are viewing the rear of the DMX1000 card cage. Which card is CCM0?
A. A
B. B
C. C
D. D
Answer: D

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NO.3 A customer's AC power fails to a Symmetrix 8430/8530. In this case, which components will the
battery subsystem sustain?
A. Card cage and disks
B. Communication cards and service processors
C. Disk drives and memory
D. Memory cards and service processor
Answer: A

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NO.4 Which type of Symmetrix volume contains information on the dynamic mirror policy decisions, error
logging, event traces, code image storage, and a dedicated lost write area?
A. BCV
B. Data
C. DRV
D. SFS
Answer: D

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NO.5 When is the relationship between a data volume and a BCV created?
A. When the BCV is created in the bin file
B. When the BCV is established
C. When the BCV is split
D. When the BCV is varied on
Answer: B

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NO.6 How is DPR enabled?
A. By the EMC z/OS Storage Manager
B. In the bin file
C. Inlines Command
D. On the host by z/OS
Answer: B

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NO.7 Which component of a DMX-2 performs Front End, director-to-director communications?
A. CCM
B. ECM
C. LCC
D. PBC
Answer: A

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NO.8 What is a difference between a Symmetrix 8830 and a DMX-2?
A. An 8830 24-slot card cage is scalable
B. Disks on a DMX-2 are FC-AL
C. DMX-2 uses a cache interconnect multi-drop bus
D. Maximum system bandwidth on an 8830 is 16Gb/s
Answer: B

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NO.9 Click the exhibit button.
You are viewing the rear of a Symmetrix DMX22000/3000 Card Cage. Where will you find ECM1?
A. 1
B. 2
C. 3
D. 4
Answer: B

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NO.10 What does the Interleave Service Policy manage during a read operation?
A. Reads the tracks from M1 and M2 randomly
B. Reads the tracks from M1 and M2 alternatively
C. Reads the tracks only from M1
D. Tracks measurements of I/O on logical volumes and chooses the appropriate mirror
Answer: B

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NO.11 A customer wants to set up an FA port for a 10km distance connection. Which optic mode will meet the
customer's need?
A. Long wave, Fibre Multi Mode port
B. Long wave, Fibre Single Mode port
C. Short wave, Fibre Multi Mode port
D. Short wave, Fibre Single Mode port
Answer: B

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NO.12 Click the exhibit button.
You are viewing the rear of the DMX1000 card cage. Which card is ECM1?
A. A
B. B
C. C
D. D
Answer: B

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NO.13 Click the exhibit button.
The customer has handed you this service alert error message. What is the error?
A. Alarm signal set
B. PC failed to call home due to communication problems
C. Temperature problems
D. Mirror device is not ready at time of periodic test
Answer: D

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NO.14 A service processor fails to communicate with directors 1 through 8 in the DMX-2 series. Which
component can cause this failure?
A. CCM0
B. ECM0
C. ECM1
D. XCM
Answer: A

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NO.15 A customer wants to change Host Directors to support SRDF. What distinguishes one director type
from another within a Symmetrix 8000 series?
A. Director model number
B. Director revision
C. Emulation code
D. Enginuity code level
Answer: C

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NO.16 On a DMX1000P, how many DAs are required?
A. 2
B. 4
C. 6
D. 8
Answer: B

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NO.17 When will a customer's host be able to access the data on a BCV?
A. After the BCV is established
B. After the BCV is split
C. When the BCV is created in the Bin
D. While the BCV is syncing with the data volume
Answer: B

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NO.18 When looking at the DMX FA Back Adapter, you notice that one of the SFPs is blue. What does this
mean?
A. Long wave, multi mode port
B. Long wave, single mode port
C. Short wave, multi mode port
D. Short wave, single mode port
Answer: B

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NO.19 A DMX-2 memory configuration containing four (4) memory boards is to be upgraded to larger size
cache boards. The upgrade results in a two (2) memory board configuration. How will the bandwidth of
the DMX-2 be affected by the upgrade?
A. Decreased by the smaller cache card count
B. Increased by the larger memory size
C. Unchanged, only memory size is affected
D. Will remain at the theoretical maximum
Answer: B

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NO.20 What is a major difference in director data flow between the Symmetrix 8000 series and a DMX-2?
A. An 8430 uses loop redundancy
B. An 8530's directors are connected to two data busses
C. Directors in a DMX-2 are connected to top high and bottom low
D. DMX-2 port bypass cards are connected directly to cache
Answer: B

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Exam Code: E20-610
Exam Name: EMC (CLARiiON)
One year free update, No help, Full refund!
Total Q&A: 84 Questions and Answers
Last Update: 2014-01-19

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NO.1 Which user account is needed to install drivers on UNIX servers?
A. sys
B. root
C. oracle
D. Administrator
Answer: B

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NO.2 DRAG DROP
Match the failover modes to the software product.
Answer:

NO.3 Exhibit: *** MISSING ***
How is the metalun configured in the image?
A. "Lun id" 65 and 75 are concatenated, Component 0 and 1 are striped
B. "Lun id" 65 and 75 are striped, Component 0 and 1 are striped concatenated
C. "Lun id" 2034 and 2035 are concatenated, Component 0 and 1 are striped
D. "Lun id" 2034 and 2035 are striped, Component 0 and 1 are striped concatenated
Answer: D

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NO.4 What is a valid frontend SP ALPA address on CLARiiON FCC4700 series?
A. 0 - 124
B. 0 - 128
C. 0 - 224
D. 0 - 255
Answer: A

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NO.5 Exhibit: *** MISSING ***
What does the "Alignment Offset" function align?
A. Lun on the raidgroup
B. Partition on the stripe boundary of a lun
C. Partition on the stripe size on the raidgroup
D. Partition on the metalun stripe element size
Answer: B

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NO.6 Which three [3] characteristics do Veritas Volume manager, ALX LVM, HPUX LVM, and Solstice Disk
Suite have in common?
A. Striping at the host level
B. Provides data protection
C. Places a unique label on each disk
D. Groups disks together in volume groups
E. Creates large volumes out of smaller disks
Answer: A, B, E

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NO.7 Which 2 mirror drives are the boot disks for SPB on a CLARiiON CX600?
A. 0_0_0
B. 0_0_1
C. 0_0_2
D. 0_0_3
Answer: B.D

NO.8 Which component verifies that proper cabling has been done to the Katana?
A. SPS
B. Services Processor
C. LCC Loop ID LEDs
D. Fibre Channel Director
Answer: C

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NO.9 Select three [3] items that are true about Snap View Clones.
A. Uses CLI Provider NDU
B. Can be mounted lat any time
C. Uses COFW, Copy on First Write
D. Must be exact same size of source LUNs
E. Must use a minimum of one snap cache LUN
F. Can only be created on an array with AccessLongix
Answer: A, D, F

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NO.10 DRAG DROP
What is the Power-on Sequence on the CLARiiON CX series?
Answer:

NO.11 What are the steps to add a disk to a Sun Solaris host online (no reboot of the host)?
A. Drvconfig, disks
B. Drvconfig, format, label
C. Drvconfig, disks, devlinks
D. Vi sd.conf, touch /reconfigure, init 6
Answer: C

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NO.12 Exhibit: *** MISSING ***
What is the function of the "No install verify" select while binding a lun as shown in the image?
A. It will not verify the alignment offset
B. It will not verify contiguous free space
C. It will not verify if the raidgroup was transitioning
D. It will not do a background verify after the lun has been bound
Answer: D

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NO.13 Which CLI commands is used to verify the installed software versions?
A. navcli-h 192.168.1.1 ndu-list
B. navcli-h 192.168.1.1 ndu-installed
C. navcli-h 192.168.1.1 ndu-check
D. navcli-h 192.168.1.1 software-list
Answer: A

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NO.14 What is the minimum amount of needs in a CLARiiON CX400 to have a hostpare?
A. 4
B. 5
C. 6
D. 15
Answer: C

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NO.15 Which two [2] are valid methods of managing CLARiiON snapshots?
A. navilcli
B. admsnap
C. admcilone
D. admhosts
E. java-jar navicli.jar
Answer: A.B

NO.16 Why is a snapview session lost an SP failure?
A. The session was not persistent
B. The host agent was not running
C. The snapshot was not mounted
D. The snapshot was not in a storagegroup
Answer: A

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NO.17 Which command allows for the extraction of all lines containing EMC case insensitive from the file test
txt?
A. vi test.txt
B. ed test.txt -EMC
C. grep EMC test.txt
D. grep -I emc test.txt
Answer: D

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NO.18 What is the ksh syntax to use vi commands for the shell history?
A. set-o vi
B. set-h vi
C. set-hist vi
D. export history=vi
Answer: A

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NO.19 What is the status of CX600 cache during the battery test in release 12?
A. read cache gets disabled
B. write cache gets disabled
C. read and write cache are not disabled
D. both read and write cache gets disabled
Answer: D

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NO.20 How does the CLARiiON preserves data in write cache during a power failure of a CX600?
A. The CX600 dumps the cache into the PSM
B. The CX600 dumps the cache into the vault area
C. The CX600 flushes the cache into the data disks
D. The CX600 dumps the cache onto the reserved space
Answer: B

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2013年11月25日星期一

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Exam Code: E22-315
Exam Name: EMC (Disk Library and Backup to Disk Technologies)
One year free update, No help, Full refund!
Total Q&A: 117 Questions and Answers
Last Update: 2013-11-25

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NO.1 A customer wants to implement a solution that would allow maximum availability for backups to
complete. Which EMC Disk Library feature will provide maximum availability for their backup solution?
A.Active Engine Failover
B.Backup Engine Failover
C.CLARiiON Engine Failover
D.Passive Engine Failover
Answer: A

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NO.2 Where can an EMC Disk Library provide the best value to a customer?
A.Backup and restore speed, capacity, and reliability
B.Investment protection, space issues, and portability
C.Portability, recovery speed, and ease of use
D.TCO/ROI, company reputation, and investment protection
Answer: A

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NO.3 How do the EMC Disk Library DL4x06 models provide improved data availability and resiliency?
A.1 TB hard drives
B.Active Engine Failover
C.Compression
D.RAID 6
Answer: D

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NO.4 Which type of connectivity is required from the backup host to the EMC Disk Library?
A.CIFS
B.Fibre Channel
C.Internet Protocol
D.NFS
Answer: B

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NO.5 Which type of connectivity is required from a backup host to the EMC Disk Library?
A.Copper Network
B.Ethernet NAS
C.Fibre Channel
D.IP NAS
Answer: C

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NO.6 An EMC NetWorker customer is using a file type device for backup-to-disk. What will happen if the file
type device fills up?
A.Save is suspended and expired save sets on the volume are deleted
B.The device expands automatically and the save operation continues
C.The save operation is aborted and a new volume is selected for writing
D.The volume is marked full and save continues on a new volume
Answer: D

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NO.7 What is the recommended configuration for a Celerra ATA disk-array enclosure that will be used as a
backup-to-disk target?
A.RAID 3 4+1
B.RAID 3 7+1
C.RAID 5 4+1
D.RAID 5 7+1
Answer: C

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NO.8 In order to increase effective usable capacity on an EMC Disk Library, which feature is available?
A.Active Engine Failover
B.Auto Archive
C.Consolidated Media Management
D.Virtual Tape Library Compression
Answer: D

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NO.9 How do the EMC Disk Library DL4x06 models provide improved data availability and resiliency?
A.1 TB hard drives
B.Active Engine Failover
C.Hardware compression
D.RAID 6
Answer: D

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NO.10 A customer wants to implement one EMC Disk Library in the primary data center and one EMC Disk
Library in the remote data center. What is the recommended feature to use to provide backup application
catalog consistency between two data centers?
A.ACSLS
B.Active Engine Failover
C.Consolidated Media Management
D.Remote copy
Answer: C

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NO.11 Which EMC Disk Library models support ACSLS?
A.DL210, DL4100, DL4106
B.DL4100, DL4106, DL6100
C.DL4106, DL210, DL6100
D.DL6100, DL210, DL4100
Answer: B

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NO.12 Click the Exhibit button.
A customer has a DL4200 connected to two switches in the same fabric, as shown in the exhibit.
Windows Backup Server X is zoned to port 1 on Engine A and Windows Backup Server Y is zoned to port
7 on Engine B. Active Engine Failover has been configured and is active.
Both backup servers are performing backups at the same time to their respective engines. Engine A has a
failure and all virtual services fail over to Engine B.
The backup administrator has verified that failover has occurred as expected but Backup X is unable to
see its virtual resources through the surviving engine even after rescanning the SCSI bus.
What is the problem?
A.Engine to switch cabling is incorrect
B.Engines are connected to different switches
C.Lack of PowerPath configuration on the backup servers
D.Missing EMC NetWorker DL-Failover license
Answer: A

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NO.13 What should be used to configure and manage the EMC Disk Library?
A.EMC ControlCenter for EMC Disk Library
B.EMC Disk Library Console software
C.EMC Disk Library Navisphere software
D.Management is integrated with the backup application
Answer: B

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NO.14 What are the major components of an EMC Disk Library?
A.EMC disk drives, EMC Disk Library solutions, and EMC Disk Library services
B.EMC Disk Library appliance, EMC Disk Library, CLARiiON, and EMC Disk Library server
C.EMC Disk Library, EMC Disk Library client, and EMC Disk Library Console
D.EMC Disk Library, EMC Tape Library, and EMC Disk Library server
Answer: C

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NO.15 Which EMC Disk Library feature allows export to physical tape media?
A.Auto Archive
B.Direct Access
C.Duplication
D.Remote copy
Answer: A

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NO.16 Which EMC Disk Library feature allows export to physical tape media?
A.Advanced Copy
B.Auto Archive
C.Remote copy
D.Tape Migration
Answer: B

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NO.17 Where can an EMC Disk Library provide the best value to a customer?
A.Backup and restore speed, capacity, and reliability
B.Portability, investment protection, and TCO/ROI
C.Recovery speed, ease of use, and company reputation
D.Reliability, ease of use, and portability
Answer: A

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NO.18 A customer wants to implement one EMC Disk Library at their primary data center and one EMC Disk
Library at their disaster recovery site with IBM Tivoli Storage Manager (TSM) as the backup application. A
small subset of the primary data needs to be transferred to a disaster recovery site where it will eventually
expire without TSM involvement.
What is a recommended feature to use with EMC Disk Library to transfer data to the disaster recovery
site?
A.Active Tape Migrator
B.Compression
C.Remote Copy
D.Tape Capacity-on-Demand
Answer: C

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NO.19 A customer with a Linux backup server plans to use a CLARiiON as the target for backups. What
should be recommended for adequate I/O performance?
A.Set the read cache to the maximum limit
B.Set the storage element to 256 KB
C.Use a cache page size of 64 KB
D.Use fdisk to correct disk misalignment
Answer: D

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NO.20 What does N_Port ID Virtualization (NPIV) functionality provide to a DL4200?
A.Disk library failover on a multilibrary configuration in a switched fabric environment
B.Disk library failover on a multilibrary configuration in an arbitrated loop environment
C.Engine failover on a multinode configuration in a switched fabric environment
D.Engine failover on a multinode configuration in an arbitrated loop environment
Answer: C

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Exam Code: E20-591
Exam Name: EMC (Backup and Recovery Solutions Exam for Technology Architects)
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Total Q&A: 160 Questions and Answers
Last Update: 2013-11-25

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NO.1 Which technology is used in an EMC Disk Library to provide tolerance against a double drive
failure?
A. RAIN
B. RAID 6
C. Remote Copy
D. Active Engine Failover
Answer: B

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NO.2 Where is deduplicated data stored on a Data Domain system?
A. SATA drives
B. NVRAM
C. SCSI drives
D. PATA drives
Answer: A

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NO.3 An EMC NetWorker customer wants to start performing client backups to a deduplication
node. What is a requirement when scheduling these backups using NetWorker?
A. First backup must be a full backup
B. Database backups must be full backups
C. All backups must be full backups
D. Schedule must not include any incremental backups
Answer: A

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NO.4 An Avamar customer has just deployed a VMware environment. The customer wants to
ensure they receive the highest level of deduplication within the environment. Which type of
backup should be performed?
A. Guest
B. VCB proxy host
C. VADP
D. ESX console
Answer: B

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NO.5 You are asked to propose a serverless backup solution for the following environment:
Which EMC product would you recommend to support this environment?
A. RecoverPoint
B. Avamar
C. Data Domain
D. NetWorker
Answer: C

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NO.6 The backup window of a customer using tape as a target for the current backup solution has
increased over the allowed time. The customer needs to reduce the backup window by adding an
intermediary process to a faster device before going to tape. What is that process?
A. Archiving
B. Rotation
C. Consolidation
D. Staging
Answer: B

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NO.7 An EMC customer has an EMC NetWorker server running on a Microsoft Windows host and
two storage nodes running on Solaris hosts. Data Protection Advisor (DPA) will be installed on a
separate Windows host. The customer requires that system performance information be collected
from the backup server and all storage nodes.
A Collector will be installed on the DPA server by default. At a minimum, how many additional
Collectors need to be deployed?
A. 0
B. 1
C. 2
D. 3
Answer: C

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NO.8 Which EMC NetWorker feature is used to perform a backup based on an event?
A. Application modules
B. Directives
C. Scheduled backups
D. Probe-based backups
Answer: D

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NO.9 Which Avamar node is dedicated to providing internal Avamar server processes and services?
A. Spare
B. Storage
C. Utility
D. Accelerator
Answer: C

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NO.10 An administrator wants to back up an EMC Celerra with Avamar using a single NDMP
accelerator node. Based on EMC best practices, what is the maximum number of files that can be
backed up per backup job?
A. 5 million
B. 10 million
C. 15 million
D. 20 million
Answer: B

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NO.11 An EMC NetWorker customer has added the following application to their environment:
What is a requirement to perform serverless backups?
A. NetWorker storage node software needs to be installed on the Exchange server
B. NetWorker Module for Microsoft Applications needs to be installed on the proxy server
C. NetWorker Module for Exchange and NetWorker VSS Client for Microsoft Windows
D. NetWorker Module for Exchange needs to be installed on the NetWorker server
Answer: C

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NO.12 An EMC NetWorker customer needs to improve the RTO for all backups retained onsite. Most
of the backup jobs consist of images and other scientific data. The customer requires daily tape out
for long-term offsite retention. Which product addresses these challenges?
A. EMC Disk Library
B. NetWorker deduplication node
C. Avamar
D. Data Domain
Answer: B

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NO.1 In the event of a physical disk spindle failure, how would a customer with Microsoft SQL Server
maximize availability?
A.Logs should be on RAID 1 volumes with data volumes on separate RAID 6 volumes
B.Logs should be on RAID 1 volumes with data volumes on separate RAID 5 volumes
C.Logs and data files should be on separate RAID 5 volumes
D.Logs and data files should be on separate RAID 1-protected volumes
Answer:A

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NO.2 A customer's SQL database has been experiencing performance degradation every time a particular
query is run. When designing the storage layout, all user databases were properly sized according to
EMC best practices.
Which storage configuration could be the source of the problem?
A.Tempdb and user databases are sharing spindles
B.MDF and LDF files are not sharing spindles
C.RAID 5 protection has been used for Tempdb
D.Data files are spread over striped metavolumes
Answer:A

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NO.3 A Microsoft SQL Server database administrator wants to execute backups using Solutions Enabler SRM
functionality. Which ODBC variable(s) needs to be set to enable the symioctl and symrdb command set?
A.SYMCLI_RDB "CONNECT" and "TYPE" environment variables
B.SYMCLI_RDB "NAME" and "TYPE" environment variables
C.Only the SYMCLI_RDB "Connect" to the database "username/password"
D.Only the SYMCLI_RDB "TYPE" variable to "sqlserver"
Answer:A

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NO.4 As reflected in the exhibit, a customer has a Cascaded SRDF/Star environment. Site B fails and they
undertake a reconfiguration to provide remote data protection between Sites A and C.
What is used to determine the invalid tracks that must be moved from Site A to Site C?
A.Inclusive OR of two SDDF bitmaps at Site A
B.Inclusive OR of two SDDF bitmaps at Site A and a bitmap at Site C
C.Inclusive OR of two SDDF bitmaps at Site B
D.Inclusive OR of two SDDF bitmaps at Site C
Answer:A

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NO.5 An SRDF/Star solution has been proposed. The customer is slow to accept the solution because they
are concerned about the reliability of the RDF daemon.
How would you address the customer's concern?
A.RDF daemons will be deployed on multiple management stations at the workload site. The RDF
daemons will cooperate with each other.
B.RDF daemon process runs on the Symmetrix array and has built-in redundancy.
C.RDF daemon process runs on the Symmetrix array. If the workload site RDF daemon fails, the RDF
daemon from one of the other sites will take over.
D.RDF daemons will be deployed on one management station at each of the three sites. If the workload
site RDF daemon fails, one of the RDF daemons from the other two sites will take over.
Answer:A

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NO.6 Click the Calculator icon in the upper left-hand corner.
A customer is migrating their SQL server from a NAS back end to a new RAID 1-protected Symmetrix
V-Max SE array. Perfmon was used to create a log view of an average day's activity against the database
LUN as represented in the exhibit. Unfortunately the database's data file and transaction log are located
on the same LUN. The database administrator has informed you that this database typically processes 25
GB worth of transactions over the course of their 12-hour business day.
Which discount in IOPS should be taken before determining the number of spindles required for the data
file LUN?
A.75
B.152
C.176
D.365
Answer:A

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NO.7 Refer to the Exhibit.You have been asked to configure a Cascaded SRDF solution at a customer site.
The production site will be at Site A, the synchronous target will be at Site B, and the asynchronous target
at Site C.
Which kind of RDF devices will be needed at each site?
A.R1 at Site A, R21 at Site B, and R2 at Site C
B.R11 at Site A, R21 at Site B, and R22 at Site C
C.R11 at Site A, R21 at Site B, and R2 at Site C
D.R1 at Site A, R2 at Site B, and R21 at Site C
Answer:A

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NO.8 A customer is migrating their Microsoft Exchange 2007 server from a NAS back end to a new
Symmetrix V-Max SE array. As illustrated in the exhibit, perfmon was used to create a log view of an
average day's activity against the database LUN of the busiest datastore in the Exchange environment.
This will serve as the performance benchmark for all other database LUNs. There are an additional four
mailbox databases on this server.
How many RAID 1-protected 15k rpm spindles are required to satisfy the performance needs of the
customer for all the mailbox databases on this server?
A.10
B.26
C.38
D.50
Answer:D

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NO.9 A new Cascaded SRDF customer is running in SRDF/A mode from the source (R1) site to the
disk-based secondary (R21) site. In this scenario, which SRDF mode is permitted between the R21 and
the R2 sites?
A.Adaptive Copy Disk
B.Adaptive Copy Write Pending
C.Synchronous
D.Asynchronous
Answer:A

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NO.10 A customer is running Concurrent SRDF/Star. The disaster recovery (DR) plan allows for the workload
to be switched to either the synchronous site or the asynchronous site. In addition, part of their DR plan is
to enable SRDF/Star protection once the workload site comes back online.
Which advice should be given to the customer?
A.If production fails over to the synchronous site, it is possible to run in a Star-protected configuration after
the return of the original workload site.
B.If production fails over to either the asynchronous site or synchronous site, it is not possible to run in a
Star-protected configuration from either site after the return of the original workload site.
C.If production fails over to either the asynchronous site or synchronous site, it is possible to run in a
Star-protected configuration from either site after the return of the original workload site.
D.If production fails over to the asynchronous site, it is possible to run in a Star-protected configuration
after the return of the original workload site.
Answer:A

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NO.11 A customer has been creating replicas of several Microsoft Exchange mailbox servers using Replication
Manager. They have recently added a new Exchange Server 2007 mailbox host to the environment.
In addition, the customer has created a scheduled job to create replicas of five storage groups in
consecutive order. Since doing so, they notice that the newly added replica jobs seem to take a very long
time to complete.
What is the source of the problem?
A.NTFS volumes containing the databases were not formatted with the correct cluster size
B.Replication Manager job should have been configured to create the replicas simultaneously
C.Latest Replication Manager Client Service Pack was not installed on the Exchange server
D.Exchange management utilities were not installed on the Replication Manager mount host
Answer:A

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NO.12 A customer wants to use TimeFinder/Exchange Integration Module (TF/EIM) to create daily local
replicas of a critical Microsoft Exchange 2007 mailbox server. Using Terminal Services, they connect
remotely to the backup server and execute the following command:
exbackup2007 -v -vss -s [servername\] -preestablish
The command runs up until the point where TF/EIM attempts to mount the volumes, then it fails. Why is
the process unable to complete?
A.Exbackup is not supported using a terminal session
B.Correct VSS Provider was not installed
C."copyonly" switch must be specified the first time a backup is run
D.Exbackup does not have the permissions needed to run on the backup host
Answer:A

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NO.13 An Microsoft Exchange administrator has recently encountered an issue with one of the databases in
their Exchange 2007 environment. The decision was made to perform a partial restore of only the single
database.
Based on EMC and Microsoft best practice, what are the proper ordered steps needed to complete this
task?
A.1) Dismount all databases in the storage group. 2) Restore the database replica. 3) Remove the .chk
file from the system path folder. 4) Remount all databases in the storage group.
B.1) Remove the .chk file from the system path folder. 2) Dismount all databases in the storage group. 3)
Restore the database replica. 4) Remount all databases in the storage group.
C.1) Dismount all databases in the storage group. 2) Remove the .chk file from the system path folder. 3)
Restore the database replica. 4) Remount all databases in the storage group.
D.1) Dismount all databases in the storage group. 2) Remove the .chk file from the system path folder. 3)
Remount all databases in the storage group. 4) Restore the database replica.
Answer:A

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NO.14 A customer is planning an SRDF/Star configuration as shown in the exhibit. The customer wants to
switch production to the synchronous target in the event of a workload site fault.
In addition to the Base and SRDF Solutions Enabler licenses, which licenses are recommended at the
synchronous target?
A.TimeFinder/Clone and TimeFinder/CG
B.TimeFinder/Mirror and TimeFinder/Clone
C.TimeFinder/Snap and TimeFinder/CG
D.TimeFinder/Snap and TimeFinder/Mirror
Answer:A

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NO.15 Group Name Services (GNS) is enabled in an SRDF/Star solution. What is a benefit of GNS in a
SRDF/Star environment?
A.Facilitates management of SRDF/Star when there are multiple management hosts at each location
B.Distributes the Star internal definition file to the Symmetrix arrays at both target locations
C.Propagates the composite group definitions over SRDF links
D.Restarts the SRDF daemon in the event it stops unexpectedly
Answer:A

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NO.16 A customer wants to provide remote disaster recovery (DR) for several critical mailbox servers in their
Microsoft Exchange Server 2007 environment. Local recoverability is provided by creating replicas of their
critical databases.
The customer's DR site is located 20 km away. They have already provisioned the necessary failover host
on the DR site, as well as the required Active Directory infrastructure needed to support a failover.
However, they want to minimize the total number of database copies required to provide basic failover
capabilities for the Exchange server.
Which solution would you recommend to provide remote point-of-failure recovery with the fewest local
and remote database copies?
A.R1-R2-BCV
B.Mixed Mirroring
C.STD-R1BCV-R2-BRBCV
D.STD-R1BCV-R2
Answer:A

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NO.17 A customer has implemented Microsoft Exchange Server 2007 in an SRDF environment with replicas
being taken at the disaster recovery (DR) site. During testing of this solution, they have failed over
Exchange operations to the DR site. The Exchange mailbox server appears to come online, but user
mailboxes are inaccessible. The Exchange Management Console shows all mailboxes marked with a
small red "x" over the mailbox icons.
Which course of action will resolve this issue?
A.Ensure the Exchange mailbox server at the DR site can communicate with an Active Directory Domain
Controller
B.Recover the database from the BCV copies available at the DR site
C.Ensure that the World Wide Web service on the Exchange server at the DR site has started
successfully
D.Recover the database from the remote BCV copies available at the primary site
Answer:A

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NO.18 A composite group spanning two Symmetrix arrays is set up to run SRDF/Star using Cascaded SRDF
as illustrated in the exhibit. What is one of the necessary conditions before the SRDF daemon at Site A
will perform an MSC cycle switch?
A.Transmit delta sets from Site B to Site C have finished
B.SDDF bitmaps have been swapped at Site A
C.Invalid track count between Sites A and C is less than 30000
D.SYMCLI_STAR_ALLOW_CASCADED_CONFIGURATION option must be enabled in the option file
Answer:A

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NO.19 A customer has three data centers that are used to run SRDF/AR multi-hop on Symmetrix DMX-4
arrays.
Production is located at Site A
Secondary site is located at Site B
Tertiary site is located at Site C
In the event of a Site A failure, the customer wants to be able to fail over to Site C while retaining the
ability to have remote data protection. Which solution will offer the best RPO and RTO for this customer?
A.Cascaded SRDF
B.Latest version of SRDF/AR
C.Concurrent SRDF
D.SRDF/EDP
Answer:A

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NO.20 A customer wants to use Replication Manager to replicate and mount, at the file group level, a Microsoft
SQL Server database. What must be done before creating a Replication Manager file group replication
job?
A.Ensure no other data files are on the same volume with the selected file group
B.Copy the log files along with the file group data files
C.Use the recover database option when mounting a file group
D.Create a TimeFinder device group that contains only the file group data files
Answer:A

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