EMC EMC Certification E20-591 Questions & Answers

• Question 131:

  Using the EMC Avamar sizing tool, you have determined that a customer requires four 2 TB data nodes. Since the customer is protecting only 5 TB of data, how is the additional storage used?

  A. Backup catalog and file indices

  B. Backup schedules and client configuration

  C. RAID, RAIN, and checkpoints

  D. Replication configuration information

  Correct Answer: A

• Question 132:

  What is the RAID level on an Avamar NDMP accelerator node?

  A. 0

  B. 1

  C. 5

  D. 6

  Correct Answer: B

• Question 133:

  How is the communication between a Data Protection Advisor Collector and the Server performed?

  A. Standard HTML over SSL

  B. Encapsulated IP frames over FC

  C. Proprietary messages over SSH tunneling

  D. Encrypted XML over TCP ports

  Correct Answer: D

• Question 134:

  What is the access mode of the EMC Avamar server during the garbage collect activity?

  A. Read/write throughout garbage collection

  B. Read/write at the beginning and read-only at the end of garbage collection

  C. Read-only at the beginning and read/write during garbage collection

  D. Read-only throughout garbage collection

  Correct Answer: D

• Question 135:

  You are asked to propose a backup solution with the following requirements:

  A Microsoft Volume Shadow Copy Service hardware provider is used to create a snapshot of production data. Rapid recovery of file systems and individual files from a snapshot.

  Which EMC product would you recommend to support this environment?

  A. Data Domain

  B. HomeBase

  C. Avamar

  D. NetWorker

  Correct Answer: D

• Question 136:

  A customer has a critical 700 GB application that is CPU- and disk-intensive. The backup window for this application is one hour. Which backup method would you recommend for this application?

  A. LAN-free backup

  B. Serverless backup

  C. LAN-based backup

  D. Direct-attached backup

  Correct Answer: D

• Question 137:

  When does the Avamar server run garbage collection?

  A. During the morning and evening cron jobs

  B. During the blackout window

  C. During the maintenance window

  D. During the morning cron job

  Correct Answer: B

  

• Question 138:

  An Avamar administrator wants to run multiple backups from their Celerra through their single NDMP accelerator node. Based on EMC best practices, what is the recommended maximum number of backup jobs that the administrator can run at once, assuming there is enough RAM?

  A. 2

  B. 4

  C. 8

  D. 16

  Correct Answer: B

• Question 139:

  A customer is using NetWorker with a tape library to perform full backups at the end of the month and daily incrementals. The restore process takes a long time as tapes must unload and reload. The customer needs to achieve a faster recovery. What will help achieve the right RTO?

  A. Dedicated backup LAN

  B. Virtual tape library

  C. Faster tape drive

  D. Faster backup server hardware

  Correct Answer: B

• Question 140:

  Where is most duplicate data on the Data Domain system discovered?

  A. Segment Locality

  B. Meta Logs

  C. Fingerprints

  D. Summary Vector

  Correct Answer: A