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EMC E20-895 Exam - Backup Recovery - Avamar Expert for Implementation Engineers

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Questions & Answers for EMC E20-895

Showing 1-15 of 106 Questions

Question #1

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 < deduplication node name >. 3. Backup is purged from metadata on the storage node.

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.

Question #2

An EMC Avamar customer is running a backup that is being written to a Data Domain
system. The Data Domain cleaning schedule runs at 8 A.M. on Tuesday mornings. Avamar
maintenance runs daily at 6 A.M. A backup has completed successfully; however, it is no
longer needed. The customer manually deletes the backup on Wednesday afternoon using
the Avamar Administrator.
When is the space reclaimed on the Data Domain system?

A. At the next Data Domain file system cleaning

B. Immediately on the Data Domain system

C. At the next scheduled Avamar garbage collection

D. When manually deleted from the Data Domain system

Question #3

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

Question #4

An EMC Avamar customer is setting up backups of their SharePoint farm with the Avamar
SharePoint VSS plug-in. The customer has two web front-end servers, four application
servers, and four database servers. Where does the front-end plug-in need to be installed?

A. On both of the front-end servers

B. On all servers in the farm

C. On the application and database servers

D. On one of the front-end servers

Question #5

You are implementing a deduplication node in a new EMC NetWorker environment. You
have already configured the Avamar server and are now creating the AFTD for metadata
storage.
What is a consideration in configuring the device?

A. Dedicated to the deduplication node

B. Located in the root directory

C. Resides on the NetWorker server

D. Configured for the default pool

Question #6

A new EMC Avamar customer requires the ability to perform tapeout from Avamar to their
existing Symantec BackupExec tape backup application. They want to know how the tape
metadata is managed. Where is the tape metadata stored in this Avamar tapeout
environment?

A. In the tape application being used

B. In the PostgreSQL database of the control node

C. In the PostgreSQL database of the transport node being used

D. On the Avamar utility node in the PostgreSQL database

Question #7

A customer is successfully backing up 50 virtual machines (VMs) hosted on two ESX hosts.
There are two datastores and two proxy servers used for VADP-based backups. They
deploy another proxy server to backup 10 new VMs residing on a new datastore. The
backups for the new VMs failed with the following error:
Event Code: 30931 - Failed to initiate a backup or restore of a virtual machine because no
proxy was found to service the virtual machine. What caused this error?

A. Not enough space is allocated on the proxy server to mount VM snaps

B. Proxy server is not provisioned on the new datastore

C. Proxy host has not been given backup privilege in the vCenter

D. New datastore is not selected for the proxy server in Avamar Administrator

Question #8

An EMC Avamar customer is using VADP to protect Microsoft Windows virtual machines
(VMs) at an image level. They want to have the ability to perform file level recovery of
select files. An Avamar Windows FLR proxy will be deployed to facilitate this.
Where should the FLR proxy be deployed for optimal backup and restore performance?

A. LAN proximity to the ESX datastore the VMs reside on

B. LAN proximity to the proxy backup servers

C. LAN proximity to the Avamar server

D. LAN proximity to the vCenter host

Question #9

An EMC Avamar customer has three clients running Microsoft SQL that require the data be
encrypted while transmitting over the network. The backup environment includes Avamar
integrated with a Data Domain. The customer wants to maximize backup performance.
Which option is available to backup the clients?

A. Avamar using in-flight encryption

B. Data Domain using in-flight encryption

C. Avamar using encryption-at-rest

D. Data Domain using encryption-at-rest

Question #10

An EMC customer has a need to backup several remote client machines to a central Co-
Location data center. They have purchased an EMC Avamar to backup their
desktop/laptop (DTLT) client data. The DTLT clients backing up to the Avamar will span
three time zones and management of the Avamar server will take place from the same time
zone as the remote data center.
If the customer has a need to start DTLT backups at 10 A.M. daily in their local time zone,
which changes should be made in the Avamar environment to ensure a healthy Avamar
system?

A. Maintenance schedule should be shifted by 12 hours

B. Time zone of the storage nodes should be changed from UTC

C. Set Avamar time zone to match the DTLT machines

D. Schedule the backups to occur at the end of the blackout window

Question #11

An EMC Avamar customer has a two-node Microsoft SQL 2008 cluster with one instance of
Microsoft SQL. To ensure successful backups of the SQL database, what is the order for
installation?

A. Install the Avamar Windows client and Avamar SQL client 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 SQL client 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 SQL client on the active node in the cluster.

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

Question #12

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

Question #13

An EMC employee has been assigned to run securedelete against two clients for a total of
20 GBs on an Avamar server. During a planning discussion with the customer, they want to
know what the impact on their Avamar server would be while securedelete is running.
What is the correct response to the customer?

A. GSAN will be in admin mode and the Avamar server will be read only

B. Avamar will continue to function with a limited amount of available threads

C. GSAN will be shut down during the extent of the securedelete task

D. Avamar will continue to function without any limitations

Question #14

Refer to Scenario 4.
What can be done to minimize the backup load on the clients with minimal resources?

A. Configure clients to backup with only a single stream

B. Increase the size of the Avamar cache files on the clients

C. Use a larger number of smaller savesets for the clients

D. Ensure the metadata is sent to an AFTD on fast disk

Question #15

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

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