EMC EMC Certifications E20-895 Questions & Answers

• Question 231:

  An EMC customer wants to implement a backup solution for their virtual machines. They are interested in Avamar deduplication features. In addition, they want to minimize the backup capacity required. Their ESX environment is running

  optimally with sufficient resources.

  Which VMware backup method will provide the most optimized capacity?

  A. VCB

  B. Guest level

  C. Image level with CBT

  D. Image level without CBT

  Correct Answer: B

• Question 232:

  A customer wants to protect their DB2 databases with EMC Avamar. You have configured some test databases and have performed several successful backups of various types. They would now like to restore the databases to complete their testing.

  In order to restore from an online backup with archive logs, which prefix should they look for when choosing a backup file?

  A. hl

  B. c

  C. cl

  D. h

  Correct Answer: A

• Question 233:

  A customer has purchased a backup solution consisting of an EMC Avamar server with Data Domain integration to support Microsoft Exchange VSS backups. Test databases were created for the purposes of confirming end-to-end

  functionality. The test database backups, using the Exchange VSS plug-in, complete successfully but they are being stored on the Avamar server instead of being sent directly to the Data Domain system.

  What is the most probable cause of this behavior?

  A. Test databases are greater than 10 GB

  B. Test databases are smaller than 10 MB

  C. Avamar and Data Domain integration does not support the Exchange VSS plug-in

  D. Data Domain client plug-in was not installed on the test host

  Correct Answer: B

• Question 234:

  A customer has a client server backing up to an EMC Avamar system and backups are running longer than expected. The client server has 1 GB of RAM and is backing up 5 million files. The Avamar backup dataset has been created with default option settings.

  The customer is looking for a way to make this backup run faster. However, they cannot currently implement any changes that would require downtime on the client. Which action should the customer take to improve backup performance?

  A. Break up the client file system into multiple smaller datasets and use a different set of cache files for each dataset

  B. Leave the client file system dataset as is, increase the file cache size, and decrease the hash cache size

  C. Break up the client file system into multiple smaller datasets, increase the file cache size, and increase the hash cache size

  D. Leave the client file system dataset as is, increase the hash cache size, and decrease the file cache size

  Correct Answer: A

• Question 235:

  An EMC Avamar customer has a backup that is running longer than expected. EMC Support is asking for more logging information from the client. What is the recommended method for providing this information?

  A. Create an avtar.cmd file in the Avamar client directory and place the 璬ebug flag in the file

  B. Insert the 璬ebug flag in the .avamar file in the Home directory on the client and restart the backup

  C. Execute a dumpmaintlogs command and send it to EMC Support

  D. Execute getlogs and send to EMC Support

  Correct Answer: A

• Question 236:

  You are adding a deduplication node to a customer's EMC NetWorker environment. The NetWorker clients currently back up to tape and perform full backups on Sunday and incremental backups on the other days of the week. In the new solution, all clients will back up to the deduplication node. The speed of recovery and higher deduplication rates are important to the customer. Which NetWorker schedule is recommended?

  A. Full backups on Sunday and incremental backups on other days of the week

  B. Incremental backups every day

  C. Full backups every day

  D. Initial full backup followed by incremental backups

  Correct Answer: C

• Question 237:

  When using an EMC Avamar to backup an Oracle database, an error similar to the following is received: What is the likely cause for these errors?

  

  A. RMAN catalog is not connected

  B. A checkpoint is running on the Avamar server

  C. Username and password are incorrect

  D. Avamar MCS is down

  Correct Answer: C

• Question 238:

  Click on the calculator icon in the upper left corner.

  A current EMC Avamar customer is having trouble completing replication on a nightly basis. The customer's networking team sees that Avamar is only utilizing about 40% of the available bandwidth on their 45 Mb WAN link. The latency or round trip time on the WAN link is 78 ms. The customer would like to tune Avamar replication to use more of the available bandwidth What is the Bandwidth Delay Product for this link?

  A. 428 KB

  B. 489 KB

  C. 512 KB

  D. 604 KB

  Correct Answer: A

• Question 239:

  An EMC Avamar customer has a two-node Microsoft Exchange 2003 cluster with one instance of Microsoft Exchange. They are backing up the storage groups only. To ensure successful backups of the Exchange data, what is the order for installation?

  A. Install the Avamar Windows client and Avamar Exchange plug-in on both nodes in the cluster. Configure the Avamar Cluster Client on the active node in the cluster.

  B. Install the Avamar Windows client and Avamar Exchange plug-in on both nodes in the cluster. Create AvamarBackupUser and configure the Avamar Cluster Client on both nodes in the cluster.

  C. Install Avamar Windows client on both nodes. Install the Avamar Exchange plug-in on the active node in the cluster.

  D. Install the Avamar Windows client and Avamar Exchange plug-in on both nodes in the cluster. Configure the Avamar Cluster Client on both nodes in the cluster.

  Correct Answer: A

• Question 240:

  An EMC Avamar customer has a large virtual machine (VM) with a small backup window available. On the weekends, there is a larger backup window available. Most of the files on the VM do not change daily but the few that do change are critical.

  How can the customer protect the critical files every day without exceeding the daily backup window while still meeting their SLAs to protect the entire VM image?

  A. Perform daily guest level backups of the critical files, and then perform image backups on the weekends

  B. Perform daily image backups of the critical files

  C. Perform daily image backups, and then perform guest level backups of the critical files on the weekends

  D. Perform daily guest level backups of the entire system

  Correct Answer: A