EMC E20-895 Online Practice Questions and Exam Preparation

EMC E20-895 Online Questions & Answers

• Question 31:

  An Avamar 7.0 file system client is running on limited RAM. The backup administrator notices that the client RAM is paging during its daily backups. Currently, the client is using default settings. Which avtar flag can be adjusted to reduce the RAM used?

  A. Decrease the value of --cache-max-pages-resident.
  B. Increase the value of --cache-page-size.
  C. Decrease the value of --filecachemax.
  D. Increase the value of --cache-musthave-threshold.
  A. Decrease the value of --cache-max-pages-resident.

• Question 32:

  A company has a large Oracle 11g database backed up nightly to an Avamar server. The backup is exceeding their backup window. What recommendations can you give to the company to help fit into their backup window?

  A. Increase channel count to 10 Enable Oracle Block Change Tracking
  B. Increase memory allocation for the Oracle plug-in Use two avtar threads
  C. Increase channel count Disable Oracle Block Change Tracking overhead
  D. Increase CPU and memory for the Oracle plug-in Set up Oracle RAC
  A. Increase channel count to 10 Enable Oracle Block Change Tracking

• Question 33:

  A Dell EMC Avamar backup administrator wants to recover a few email messages from a backup of a Microsoft Exchange server. They are determining whether to use RDB or the GLR option. What is one difference between GLP and RDB?

  A. GLR can be used to restore a single email message, RDB cannot
  B. RDB can extract items to a .pst datafile; GLP cannot
  C. GLR will not transfer the entire database over the network; RDB will
  D. RDB does not require data to be staged on a separate server, GLR does
  A. GLR can be used to restore a single email message, RDB cannot

• Question 34:

  A Dell EMC Avamar server performs nightly replication to an off-site Avamar server. The source server protects several small but important file system clients and several large database clients. The replication of the large databases often uses the entire replication window, preventing the small clients from replicating.

  What can be done to ensure that the small clients and large DB clients replicate every day?

  A. Separate the clients into groups based on size and schedule simultaneous replication
  B. Throttle the network for the replication of the large clients
  C. Reorder the clients in the replication group to place the small clients first
  D. Replicate only the small clients on some days and all clients in one group on other days
  C. Reorder the clients in the replication group to place the small clients first

• Question 35:

  An EMC customer has purchased a new Accelerator Node for their NDMP backups. During the configuration process, you receive an error that there is an authentication error. You discover that the 'ndmp user' is not created. Which command is used to create the user account?

  A. server_user server_2 -add -md5 ndmp
  B. server_user server_all -add -password ndmp
  C. server_user --server_2 -create ndmp -password ndmp
  D. server_user server_2 --create ndmp
  A. server_user server_2 -add -md5 ndmp

• Question 36:

  A customer has a large database server they would like to back up using EMC Avamar integration with Data Domain. The server is an Intel x86-based machine with 16 GB of RAM. In addition, the server has 10 GbE connectivity to the Data Domain and 1 GbE to the Avamar server.

  Which initial p_cache and f_cache settings will maximize performance when using the Data Domain client?

  A. p_cache = 1 GB, f_cache = 2 GB
  B. p_cache = 2 GB, f_cache = 1 GB
  C. p_cache and f_cache files are not used
  D. Cache files are based on the size of the backup
  C. p_cache and f_cache files are not used

• Question 37:

  An EMC Avamar customer has started backing up their Oracle 11g databases with 8 RMAN channels using RMAN scripts. They see that backups are timing out and unable to send CTL messages. What should you advise the customer do to fix the issue?

  A. Minimize the number of RMAN channels.
  B. Use a single set of cache files.
  C. Disable RMAN backup optimization.
  D. Ensure /var/avamar has proper permissions.
  A. Minimize the number of RMAN channels.

• Question 38:

  A customer has been using EMC Avamar for deduplication backups of VMware. They have been performing guest level backups and now want to perform VMware image backups for disaster recovery. In order to perform image backups, what is recommended for this environment?

  A. SAN-attached datastore
  B. Image proxy Windows host
  C. Avamar client installed on the ESX server
  D. Avamar client running on the vCenter server
  A. SAN-attached datastore

• Question 39:

  An EMC customer has a three-node cluster with the Avamar Windows client installed. Each node has the Avamar Exchange 2007 plug-in installed. What should be done to avoid backing up the same data multiple times within a backup window?

  A. Exclude virtual node file systems from the physical node dataset
  B. Ensure the Quorum drive is backed up only once per week instead of nightly
  C. Ensure both the physical and virtual nodes are in the same Avamar group
  D. Verify that the Exchange database backup is not scheduled at the same time as the file system backup
  A. Exclude virtual node file systems from the physical node dataset

• Question 40:

  Dell EMC Avamar client backup/restore performance depends on what factors?

  A. Average file size, client CPU, RAM, I/O capability, and network connection between client and Avamar server
  B. Average file size, disk space on client, RAM, I/O capability, and network connection between client and Avamar server
  C. Client CPU, RAM, I/O capability only
  D. Average file size, client CPU, I/O capability only
  B. Average file size, disk space on client, RAM, I/O capability, and network connection between client and Avamar server