EMC E20-895 Online Practice Questions and Exam Preparation

EMC E20-895 Online Questions & Answers

• Question 41:

  A customer has setup their EMC Celerra to backup through an Avamar NDMP Accelerator Node. They are not seeing any increased performance since the initial backup. They have investigated the Celerra and there are no outstanding

  issues.

  What is a potential reason for the poor backup performance?

  A. Dataset options are set to Level 0
  B. Dataset advanced option is blank
  C. Data has a high change rate
  D. Dataset options are set to Level 1
  A. Dataset options are set to Level 0

• Question 42:

  An EMC Avamar customer is backing up a Microsoft Exchange 2010 DAG. The Avamar Exchange VSS Client with granular level restore (GLR) option selected was installed on all Exchange mailbox nodes in the DAG. The customer wants to restore only a single message for an end user.

  What can the customer select as a restore destination?

  A. Any of the Exchange mailbox nodes in the DAG
  B. Recovery Storage Group (RSG)
  C. Only an active Exchange mailbox node in the DAG
  D. Exchange administrator's mailbox
  A. Any of the Exchange mailbox nodes in the DAG

• Question 43:

  A customer is performing a restore of a Microsoft SQL database with the tail-log backup option. However, the restore process is failing. What is a possible cause of this behavior?

  A. Transaction log has been corrupted.
  B. Database is set to use the full recovery model.
  C. Database is online.
  D. Point-in-time specified is after the last full backup.
  A. Transaction log has been corrupted.

• Question 44:

  A current EMC NetWorker customer is backing up a mix of Microsoft Windows and Linux servers in their environment. They decided to integrate two Avamar servers into their environment as deduplication nodes. Clients will be configured to back up to the first node with Avamar replication configured between the two.

  In the event that the primary deduplication node has failed and is unreachable, what will happen if a restore is initiated?

  A. Recovery will be automatically performed from the replication target.
  B. Recovery will fail, reporting the deduplication node as unreachable.
  C. Recovery will wait until the deduplication node comes online.
  D. Recovery will fail, reporting that the client must first be activated on the replication node.
  A. Recovery will be automatically performed from the replication target.

• Question 45:

  An EMC Avamar customer has used Avamar Administrator to configure backups of their Oracle databases using two RMAN channels. They also use RMAN scripts to run backups of the databases to the Avamar server using four RMAN channels.

  According to best practices, what should you advise the customer?

  A. Do not mix RMAN and server-initiated backups.
  B. Use a single set of cache files.
  C. Minimize the number of RMAN channels.
  D. Disable RMAN backup optimization.
  A. Do not mix RMAN and server-initiated backups.

• Question 46:

  A company's multi-terabyte database environment is protected by a Dell EMC Avamar Gen4T server and an integrated Dell EMC Data Domain system at their central data center. The backup administrator reports that backups are failing and

  new backups will not start. Upon investigation, they discover that the Data Domain is full.

  How should this situation be resolved?

  A. Manually delete the cur/DELETED directories on the Avamar server and start garbage collection
  B. Manually delete the oldest checkpoints in the Data Domain system and the Avamar server
  C. Manually delete the STAGING, DELETED, and cur/DELECTED directories on the Data Domain system and start cleaning
  D. Manually start the data Domain sanitation process
  B. Manually delete the oldest checkpoints in the Data Domain system and the Avamar server

• Question 47:

  A service provider offers its customers web hosting services by deploying a VM server from a template. Users then load their own data onto their VM. The service provider is currently backing up the VMs to Dell EMC Avamar with an image-based solution. However, they are neither satisfied with the capacity usage on Avamar nor the restore times.

  What can be done to reduce capacity usage on their backup system and reduce restore times?

  A. Perform guest level full system backups Restore using disaster recovery methods.
  B. Perform image level backups with CBT Restore with file level recovery
  C. Perform guest level backups of only the user data Restore by redeploying a template and restoring data
  D. Perform image-based backups to a data Domain Restore using the Instant Access feature
  B. Perform image level backups with CBT Restore with file level recovery

• Question 48:

  An EMC Avamar customer has noticed that their NetWorker deduplication node is 90% full. They want to delete all backups older than 60 days. What is the correct process flow for deleting deduplication backups in NetWorker?

  A. 1. Backup is marked for deletion by the NetWorker server on the deduplication node. 2. Backup is purged from metadata on the storage node. 3. NetWorker server performs cleanup on the deduplication node.
  B. 1. Backup is purged from metadata on the storage node. 2. Backup is marked for deletion by the NetWorker server on the deduplication node. 3. NetWorker server performs cleanup on the deduplication node.
  C. 1. Backup is marked as recyclable in NetWorker. 2. Manually run nsrmm
  D. 1. Backup is marked for deletion at the next scheduled nsrim -X. 2. Backup is marked for deletion by the NetWorker server on the deduplication node. 3. Backup is purged from metadata on the storage node.
  A. 1. Backup is marked for deletion by the NetWorker server on the deduplication node. 2. Backup is purged from metadata on the storage node. 3. NetWorker server performs cleanup on the deduplication node.

• Question 49:

  A Dell EMC Avamar has been performing image backups of a VMware virtual machine (VM) running SLES. The backup administrator has decided to change the backup strategy of this VM to use guest backups instead. What is required for successful guest backups to occur?

  A. Avamar client software must be installed on the vCenter server
  B. A proxy server must be deployed on the ESXi server
  C. VMware Tools must be installed
  D. The VM needs a network connection
  A. Avamar client software must be installed on the vCenter server

• Question 50:

  A storage administrator is integrating Avamar deduplication backups into their existing NetWorker environment. They are required to provide a secondary copy of the backup at their disaster recovery site. How could they copy both the deduplicated backups and metadata to the disaster recovery site?

  A. Replicate the deduplicated backups and clone the metadata.
  B. Clone the deduplicated backups and stage the metadata.
  C. Replicate the deduplicated backups and replicate the metadata.
  D. Stage the deduplicated backups and clone and the metadata.
  A. Replicate the deduplicated backups and clone the metadata.