最新的Implementation Engineer認證 E20-895考試題庫

問題1

A customer wants to restore a database to a certain point in time. The latest full backup and incremental backups are accessible and the original database is still online.
What could be causing the point-in-time restore to fail?

A. They tried to restore to the same instance.

B. The database was online during the restore.

C. They tried to restore the database to another server.

D. The last full backup failed.

正確答案: C

問題2

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. Proxy server is not provisioned on the new datastore

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

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

正確答案: D

問題3

An EMC Avamar customer is currently using a 2 TB Avamar Virtual Edition (AVE) for their backup environment. They want to begin backing up several Oracle databases and file servers running on a new ESX server. It is determined that a separate AVE should be added to the backup environment for these new backups.
What should be done when implementing the new configuration?

A. Use RAID 6 for the physical disk storing the new virtual disk

B. Run benchmark tests for acceptable TCP/IP performance

C. Use thin provisioning to create the new AVE

D. Install the new AVE on a different ESX server from the first AVE

正確答案: D

問題4

An EMC Avamar backup administrator notices that the file cache on a backup client is under-sized. The client is using the monolithic caching strategy for the file cache.
What rule is used to size the file cache?

A. N x 44 MB x 2, where N is the number of millions of files in the backup

B. N x 44 MB x 4, where N is the number of millions of files in the backup

C. N x 44 MB x 4, where N is the number of millions of files in the restore

D. N x 44 MB x 2, where N is the number of millions of files in the restore

正確答案: A

問題5

A current EMC Avamar customer is backing up the databases of their Microsoft Exchange 2007 environment on a nightly basis using the MS Exchange VSS plug-in. They now want to perform granular level recovery (GLR) of individual messages. The Exchange VSS agent has been installed with the GLR option enabled.
What else needs to be done to allow granular level recoveries?

A. Install Microsoft MAPI-CDO on the Exchange serverConfigure the Exchange Recovery Storage Group

B. Configure the AvamarBackupUser Reboot the Exchange server

C. Install Microsoft MAPI-CDO on the Exchange server Configure the AvamarBackupUserReboot

D. Configure Exchange Recovery Storage Group Configure AvamarBackupUserReboot

正確答案: C

問題6

You are implementing a Dell EMC Avamar solution for a Microsoft SQL Server 2012 AlwaysOn Availability Group. What is a consideration?

A. Backup performance is improved when performing a backup from a secondary replica

B. Backup performance is improved when performing a backup from a primary replica

C. When performing a backup from a secondary replica, only full level backups are supported

D. When performing a backup from a secondary replica, the secondary replica must allow read/write connections

正確答案: B

問題7

A company is running a Dell EMC Avamar server. They want to ensure that sensitive data, included in a file that was recently backed up, is removed from the Avamar server.
What should be done before running the securedelete command?

A. Convert all data stripes to ext3 format

B. Take a checkpoint of the server

C. Run Avamar garbage collection

D. Ensure the storage nodes are running in journal mode

正確答案: C

問題8

An EMC Avamar administrator has used avtar to set hashcachemax to 96 MB.
What is the size of the database to be backed up, in gigabytes?

A. 42

B. 96

C. 48

D. 84

正確答案: C

問題9

A customer wants to add the capability for source-based deduplication to their current EMC NetWorker environment. Their backup environment consists of two separate NetWorker servers and four storage nodes.
One NetWorker server and two storage nodes protect their UNIX environment. The other NetWorker server and two storage nodes protect the Microsoft Windows environment. What is the minimum number of Avamar servers that are required to protect both environments?

A. 1

B. 4

C. 3

D. 2

正確答案: A

問題10

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

A. 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

C. Average file size, client CPU, RAM, I/O capability, and network connection between client and Avamar server

D. Client CPU, RAM, I/O capability only

正確答案: B

問題11

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 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.

B. 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.

C. 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.

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.

正確答案: C

問題12

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

B. Maintenance schedule should be shifted by 12 hours

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

D. Set Avamar time zone to match the DTLT machines

正確答案: B

問題13

What is the minimum version of Oracle required to perform incremental backups with the Dell EMC Avamar plug-in for Oracle using the Block Change tracking (BCT) feature?

A. 11gR1

B. 12cR1

C. 10gR2

D. 11gR2

正確答案: C

問題14

Refer to Scenario 9.

Which user account is used to write to the GSAN?

A. catman

B. backup

C. sysdb

D. root

正確答案: B

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