显示标签为“E20-324”的博文。显示所有博文
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2014年5月5日星期一

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Code d'Examen: E20-324
Nom d'Examen: EMC (VNX Solutions Design Exam for Technology Architects )
Questions et réponses: 117 Q&As

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NO.1 The majority of your customer's servers have highly utilized database applications that require
predictable performance.
What type of storage do you recommend.?
A. RAID Groups with traditional LUNs
B. Storage groups with thick LUNs
C. Pool with traditional LUNs
D. RAID Groups with thin LUNs
Answer: A

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NO.2 While gathering performance data during peak workloads, which type of collection method is best
suited?
A. Larger periods of data collection over shorter intervals
B. Smaller periods of data collection over shorter intervals
C. Smaller periods of data collection over larger intervals
D. Larger periods of data collection over larger intervals
Answer: C

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NO.3 Your customer has purchased a VNX to upgrade the storage for an Exchange Server cluster. What tool
should you use to gather performance data from the Exchange cluster?
A. iostat
B. sar
C. esxtop
D. perfmon
Answer: D

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NO.4 While gathering existing customer environment information to provide a new VNX storage system
solution, you have found many different HBA types, servers, operating systems, and other SAN hardware.
Which wizard within E-Lab Navigator can be used to validate a new VNX storage solution?
A. SOE & Software Wizard
B. CLARiiON Host Attach Wizard
C. Switch Interoperability Wizard
D. Storage Array Wizard
Answer: C

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NO.5 During your design analysis you have gathered current storage configuration data and matched storage
volumes with server data. You have discovered some inconsistencies with the collected data.
What should the next step be?
A. Resolve any inconsistencies with the customer according to best practices.
B. Let the implementation engineer resolve the inconsistencies.
C. Note the inconsistencies and forward a redesign to the implementation engineer.
D. Resolve the inconsistencies yourself according to best practices.
Answer: A

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NO.6 Which protocols are the best solution for Grid Computing and High Performance Computing
environments?
A. iSCSI, FCoE
B. pNFS, MPFS
C. CIFS, NFS
D. FTP, SMB2
Answer: B

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NO.7 A customer wants to write a script that needs to list all linked remote VNX arrays for file-based
replication. What CLI command should you recommend?
A. nas_cel -list
B. nas_cel -info
C. nas_replicate -info
D. nas_replicate -list
Answer: A

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NO.8 Refer to the exhibit.
What type of VNX MPFS configuration is illustrated with this topology?
A. VNX gateway with FC
B. VNX with iSCSI/FC
C. VNX with iSCSI/FCoE
D. VNX gateway with MPFSi
Answer: D

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2014年1月5日星期日

EMC E20-324 examen pratique questions et réponses

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Code d'Examen: E20-324
Nom d'Examen: EMC (VNX Solutions Design Exam for Technology Architects )
Questions et réponses: 117 Q&As

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NO.1 A customer wants to write a script that needs to list all linked remote VNX arrays for file-based
replication. What CLI command should you recommend?
A. nas_cel -list
B. nas_cel -info
C. nas_replicate -info
D. nas_replicate -list
Answer: A

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NO.2 When interviewing customer personnel, you learn of two sets of requirements:
-The technical team has a specific set of requirements that they have to meet. -The manager has a
financial requirement that has to be met.
As you begin to design, it becomes clear that, in order to meet the technical goal, the financial
requirement will be exceeded. What should you do?
A. Let both teams know of the constraints and see if there can be a mutual resolution.
B. Since this is a technical project you should design to the technical team requirements.
C. Because the manager is paying for the equipment, limit the design to fit into the financial constraints.
D. Design to the technical requirement and then take enough storage out to meet the financial goal.
Answer: A

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NO.3 Your customer needs help understanding Unisphere statistics on a VNX, specifically the Number of
Write Cache Pages. How do you explain this metric to the customer?
A. It is displayed per each SP, and the total number is derived from the sum of both SPs.
B. It is displayed per entire array, and the total number is half the sum of both SPs.
C. It is displayed per each SP, and the total number is four times the sum of both SPs.
D. When FAST Cache is enabled, the number includes the FAST Cache plus the sum of both SPs.
Answer: A

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NO.4 While gathering performance data during peak workloads, which type of collection method is best
suited?
A. Larger periods of data collection over shorter intervals
B. Smaller periods of data collection over shorter intervals
C. Smaller periods of data collection over larger intervals
D. Larger periods of data collection over larger intervals
Answer: C

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NO.5 You are gathering data from a customer environment. You have to process a number of configuration
reports.
What tool provides a simple method of processing the data gathering configuration?
A. Unisphere Analyzer
B. Collect Support Materials
C. E-Lab Advisor
D. CLARiiON Configuration Builder
Answer: C

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NO.6 When documenting the customer environment prior to a storage refresh, you discover that the
customer has an issue their backups do not complete every job. How should you proceed?
A. Have the customer resolve the issue before continuing.
B. Note the issue in the Statement of Work and continue with planning.
C. Open a case for the backup issue and resolve it yourself.
D. No actionrequired:SOW does not include resolving this type of issue.
Answer: A

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NO.7 During your design analysis you have gathered current storage configuration data and matched storage
volumes with server data. You have discovered some inconsistencies with the collected data.
What should the next step be?
A. Resolve any inconsistencies with the customer according to best practices.
B. Let the implementation engineer resolve the inconsistencies.
C. Note the inconsistencies and forward a redesign to the implementation engineer.
D. Resolve the inconsistencies yourself according to best practices.
Answer: A

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NO.8 Your customer has purchased a VNX to upgrade the storage for an Exchange Server cluster. What tool
should you use to gather performance data from the Exchange cluster?
A. iostat
B. sar
C. esxtop
D. perfmon
Answer: D

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NO.9 While gathering existing customer environment information to provide a new VNX storage system
solution, you have found many different HBA types, servers, operating systems, and other SAN hardware.
Which wizard within E-Lab Navigator can be used to validate a new VNX storage solution?
A. SOE & Software Wizard
B. CLARiiON Host Attach Wizard
C. Switch Interoperability Wizard
D. Storage Array Wizard
Answer: C

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NO.10 You are preparing a detailed VNX presentation for a technically-oriented customer. VNX arrays have
been in their environment for over a year. One objective of the meeting is to go over historical data. The
customer indicated that they would like to see Unisphere statistics as part of the analysis.
Assuming that statistics logging was enabled from day one, how long does the Unisphere GUI keep its
real-time statistics?
A. Real-time statistics are stored for 1 month.
B. Real-time statistics cannot be saved to disk.
C. Real-time statistics are stored for 3 months, unless the frequency interval is less than 5 minutes.
D. Real-time statistics are stored indefinitely, but requires a dedicated collection server.
Answer: B

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NO.11 Which protocols are the best solution for Grid Computing and High Performance Computing
environments?
A. iSCSI, FCoE
B. pNFS, MPFS
C. CIFS, NFS
D. FTP, SMB2
Answer: B

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NO.12 Which RecoverPoint/SE data protection methodology enables block protection as well as a file DR
solution?
A. RecoverPoint/SE CRR
B. RecoverPoint/SE CLR
C. RecoverPointt/SE CDP
D. RecoverPoint/SE CDP and CRR
Answer: A

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NO.13 Refer to the exhibit.
What type of VNX MPFS configuration is illustrated with this topology?
A. VNX gateway with FC
B. VNX with iSCSI/FC
C. VNX with iSCSI/FCoE
D. VNX gateway with MPFSi
Answer: D

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NO.14 The majority of your customer's servers have highly utilized database applications that require
predictable performance.
What type of storage do you recommend.?
A. RAID Groups with traditional LUNs
B. Storage groups with thick LUNs
C. Pool with traditional LUNs
D. RAID Groups with thin LUNs
Answer: A

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NO.15 Refer to the exhibit.
What type of VNX configuration is illustrated with this topology?
A. VNX MPFS with iSCSI/FC
B. VNX MPFS with FC/FCoE
C. VNX gateway with iSCSI/FC
D. VNX gateway with FC
Answer: A

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2013年7月25日星期四

L'avènement de la certification EMC pratique d'examen E20-005 E20-002 E20-547 E20-324 questions et réponses

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Code d'Examen: E20-005

Nom d'Examen: EMC (Backup Recovery Systems and Architecture Exam)

Questions et réponses: 120 Q&As

Code d'Examen: E20-002

Nom d'Examen: EMC (Cloud Infrastructure and Services Exam)

Questions et réponses: 118 Q&As

Code d'Examen: E20-547

Nom d'Examen: EMC (VNX Solutions Specialist Exam for Storage Administrators )

Questions et réponses: 203 Q&As

Code d'Examen: E20-324

Nom d'Examen: EMC (VNX Solutions Design Exam for Technology Architects )

Questions et réponses: 117 Q&As

E20-005 Démo gratuit à télécharger: http://www.pass4test.fr/E20-005.html


NO.1 Which type of backup should be used to create a backup copy offline without disrupting I/O operations
on a production volume?
A. Cumulative backup
B. Incremental backup
C. Full backup
D. Synthetic full backup
Answer: D

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NO.2 What terminology is used to describe grouping several physical drives into one logical drive?
A. Concatenation
B. Partitioning
C. Formatting
D. Grouping
Answer: A

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NO.3 You are planning the staging policy for disk-to-offsite tape backup media. In addition to available disk
space, which factor is most significant when determining how long to keep the backup data on disk?
A. Length of time when most restore requests are expected to occur
B. Location of offsite storage
C. Cost of shipping and storing tapes
D. Tape capacity
Answer: A

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NO.4 Which disk connectivity option supports the highest data transfer rate?
A. SATA
B. SCSI
C. IDE
D. ATA
Answer: A

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NO.5 Which statement defines retention period?
A. Amount of time available for restoring a particular version of a backup dataset
B. Amount of time available for overwriting a volume containing backups
C. Period of time in which a backup must be restored
D. Amount of time allocated for full system recovery
Answer: A

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NO.6 What is the role of the storage node in a client/server backup architecture?
A. Writes data to a backup device
B. Gathers data to be backed up
C. Manages the backup operation
D. Writes metadata to the backup catalog
Answer: A

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NO.7 What is the process of moving data from one storage medium to another?
A. Cloning
B. Replication
C. Staging
D. Twinning
Answer: C

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NO.8 What are the components of a Logical Volume Manager (LVM)?
A. Physical volumes, volume groups, logical volumes
B. Physical groups, volume groups, logical volumes
C. Physical groups, volume groups, logical groups
D. Physical blocks, volume groups, logical groups
Answer: A

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NO.9 What is an example of a PCI connection?
A. Parallel interface between a disk and the controller card
B. Interconnection between a CPU and network card
C. Serial connection between a disk and the controller card
D. Interconnection between a tape drive and a computer
Answer: B

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NO.10 What is the fault tolerance of a RAID 5 array, where n is the number of disks in the array?
A. 1
B. n-1
C. 2
D. n-2
Answer: A

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NO.11 What is a benefit of deploying a separate storage node in the backup environment?
A. Reduced number of backups
B. Increased media utilization
C. Improved security and access control
D. Consolidate backup servers
Answer: D

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NO.12 What is recovery point objective?
A. Maximum allowable time to fully recover an application
B. Actual time that it takes to recover all data
C. Amount of data loss that is acceptable by the business
D. Length of time that backups are kept for recovery purposes
Answer: C

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NO.13 What is the interval of time between the creation and expiration of the backup called?
A. Retention period
B. Recovery point objective (RPO)
C. Recovery time objective (RTO)
D. Backup window
Answer: A

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NO.14 Which type of backup only copies the files that have changed since the last full backup.?
A. Cumulative
B. Full
C. Incremental
D. Synthetic full
Answer: A

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NO.15 A customer is moving data from a backup disk to tape, which will later will be stored offsite.
What is this process called?
A. Cloning
B. Staging
C. Aging
D. Mirroring
Answer: B

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NO.16 A customer has a requirement to restore operations within two hours after a disaster.
What is this time period called?
A. Recovery time objective (RTO)
B. Retention period
C. Recovery point objective (RPO)
D. Backup window
Answer: A

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NO.17 A full backup of a file system is performed once a week on Saturday and cumulative backups are
performed on all other days. Backups start at 20:00 with a two-hour window. Data on the file system
changes every day.
How many backups are required to perform a full system restore as of Friday morning?
A. 2
B. 6
C. 1
D. 7
Answer: A

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NO.18 Which software component of a backup application sends media metadata to the backup server?
A. Storage node
B. Client
C. NetWorker Management Console
D. Application server
Answer: A

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NO.19 What is the primary reason for having disaster recovery backups?
A. To restore data from an alternate site due to data loss at a primary site
B. To restore data when data loss or logical corruptions occur during routine processing
C. To restore data that was archived for regulatory compliance
D. To restore data when data loss occurs due to minor hardware component failures
Answer: A

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NO.20 A business has a recovery point objective (RPO) of nine hours. What does this RPO mean in the event
of a disaster?
A. No more than nine hours of production data can be lost
B. Restore from backup must occur within nine hours
C. Production must be resumed within nine hours
D. A backup copy of the production data must be obtained within nine hours
Answer: A

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