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Question # 4

A storage administrator is planning to back up virtual machines residing on an ESX 4.0 server using EMC Avamar and VMware vSphere. What is a characteristic of this type of backup?

A.

Image proxy is located on a virtual machine

B.

Avamar Interoperability Module must be installed

C.

All virtual machines must be powered on

D.

All virtual machines must be running Microsoft Windows 2003

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Question # 5

What is the recommendation for configuring the virtual disks for EMC Avamar Virtual Edition?

A.

Thick provisioned with eager zeroed

B.

Thin provisioned with eager zeroed

C.

Thick provisioned with lazy zeroed

D.

Thin provisioned with lazy zeroed

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Question # 6

What is a characteristic of EMC Avamar VMware Image backups?

A.

Only one proxy server is supported per vCenter server

B.

File-level restores are supported for Linux clients only

C.

Change Block Tracking can be used to shorten backup times

D.

The Avamar client is installed on each VMware virtual machine

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Question # 7

You are configuring standard replication for a source EMC Avamar system, Avamar1, under the clients domain. The configuration is successful, and the client inquires about where the replicated clients appear on the target Avamar system.

Which domain contains the source clients on the target system?

A.

/REPLICATE/Avamar1

B.

/REPLICATE/Avamar1/clients

C.

/root/clients

D.

/clients/Avamar1

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Question # 8

A company using EMC Avamar has decided to virtualize their Microsoft Exchange environment using VMware guests instead of physical systems. Which methodology is used to perform online backups of the Microsoft Exchange environment?

A.

VMware Guest Level Backup

B.

VMware Consolidated Backup

C.

VMware Image Level with Change Block Tracking

D.

VMware Image Level without Change Block Tracking

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Question # 9

On a single-node Gen4 EMC Avamar Data Store, what is the optional use of the GB2 port?

A.

Outgoing replication

B.

MC and administrative traffic

C.

High availability

D.

Connection to the internal switch

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Question # 10

Which size Avamar Gen4 storage node is supported for a RAIN configuration?

A.

1.0 TB

B.

1.3 TB

C.

2.6 TB

D.

3.9 TB

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Question # 11

Which port on the EMC Avamar server does a client connect to when performing backups?

A.

7778

B.

7781

C.

27000

D.

28002

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Question # 12

What is the first process performed by avatar when running an EMC Avamar backup?

A.

Traverses each directory in the backup dataset

B.

Checks the client's file cache

C.

Runs sticky-byte factoring

D.

Writes to the hash cache file

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Question # 13

A company is using an EMC Avamar multi-node server with 2 TB storage nodes. The company wants to add 3 TB of Avamar storage to the multi-node server.

How can this be achieved?

A.

Add one 3.3 TB storage node

B.

Add two 2 TB AVEs

C.

Add two 2 TB storage nodes

D.

Add three 1 TB storage nodes

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Question # 14

Which Avamar Gen4 nodes can be used in multi-node configurations?

A.

1.3 TB, 3.9 TB

B.

2.6 TB, 3.9 TB

C.

2.6 TB, 7.8 TB

D.

3.9 TB, 7.8 TB

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Question # 15

What are characteristics of a single node server with integrated Data Domain?

A.

Non-RAIN; requires replication if Avamar Checkpoint data is backed up on Data Domain

B.

Non-RAIN; does not require replication if Avamar Checkpoint data is backed up on Data Domain

C.

RAIN; does not require replication if Avamar Checkpoint data is backed up on Data Domain

D.

RAIN; requires replication if Avamar Checkpoint data is backed up on Data Domain

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Question # 16

Which interface is used to start Avamar Client Manager?

A.

Enterprise Manager

B.

Command Line

C.

cron job

D.

Avamar Administrator

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Question # 17

How much RAM is required for an EMC Avamar Gen4 utility node?

A.

4 GB

B.

8 GB

C.

12 GB

D.

24 GB

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Question # 18

What is the recommended command that instructs the EMC Avamar server to redistribute backup data from the most full nodes to the least full nodes?

A.

avmaint config balancemin=2 --avamaronly

B.

avmaint config balancemin=0 --avamaronly

C.

avmaint config balancemin=1 --avamaronly

D.

avmaint config balancemin=100–avamaronly

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Question # 19

What is the operating system partition size for an EMC Avamar Virtual Edition server?

A.

100 GB

B.

60 GB

C.

90 GB

D.

120 GB

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Question # 20

At which percentage of OS capacity does EMC Avamar garbage collection stop running?

A.

80%

B.

85%

C.

88%

D.

90%

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Question # 21

During an EMC Avamar backup, which Avamar server process communicates with the avtar process on the client?

A.

GSAN

B.

MCS

C.

avagent

D.

avmgr

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Question # 22

You are adding new nodes to an EMC Avamar server. You are now ready to join the new nodes to the GSAN. Which command is used?

A.

start.nodes

B.

start.dpn

C.

rebuild.nodes

D.

avmaint autorestart

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Question # 23

What is the maximum number of nodes currently available in an Avamar server?

A.

12

B.

16

C.

17

D.

18

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Question # 24

What is a characteristic of EMC Avamar VMware Image Level backups?

A.

Change Block Tracking option can be used to shorten backup times 36

B.

Avamar client software is installed on each VMware virtual machine

C.

File-level restores are supported for all client operating systems

D.

Image proxy must be located on a different ESX server from the ESX server hosting the target machines

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Question # 25

A company has just deployed a VMware environment. The EMC Avamar storage administrator wants to ensure they receive the highest level of de-duplication within the environment for backups of certain clients.

Which type of backup should be performed for those clients?

A.

ESX Console

B.

Guest

C.

vSphere Image

D.

VCB Image

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Question # 26

Which RAID level is used in an EMC Avamar 7.8 TB single-node server?

A.

1

B.

5

C.

6

D.

10

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Question # 27

A storage administrator is troubleshooting an EMC Avamar client that is failing with "Time Out - Start". Which log is the first place to check?

A.

avagent.log

B.

avtar.log

C.

gsan.log

D.

err.log

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Question # 28

According to EMC Avamar best practices, the backup window duration specified on a backup schedule should not exceed how many hours per day?

A.

4 - 6

B.

6 - 8

C.

8 - 10

D.

10–12

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Question # 29

A company wants to back up their EMC Celerra to their Avamar server. Where is the Avamar backup client software installed?

A.

Accelerator node

B.

Celerra Data Mover

C.

Proxy server

D.

Utility node

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Question # 30

In EMC Avamar, what is the purpose of the p_cache.dat file?

A.

Determines if a chunk is already stored on the Avamar server

B.

Determines if a file is already stored on the Avamar server

C.

Stores storage node IP addresses

D.

Sets backup flags and options

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Question # 31

During EMC Avamar garbage collection, which backups are candidates for deletion?

A.

Backups that failed HFS check

B.

Backups that were replicated to Data Domain

C.

Backups of clients that have been retired

D.

Partial backups older than seven days

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Question # 32

An EMC Avamar customer needs to estimate how much time it will take to replicate 3 TB of Avamar Source server data to their target server, given root-to-root migration. Using iperf, it is determined that data will be transferred at 54 GB/hour between the two Avamar servers.

How many hours will it take to replicate to the target?

A.

76

B.

81

C.

89

D.

99

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Question # 33

What is a potential impact of having an undersized hash cache on an EMC Avamar client?

A.

More queries to the Avamar server

B.

Decreased memory swapping

C.

More backup data sent to the Avamar server

D.

More chunks are compressed

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Question # 34

Which feature is available through the Avamar Enterprise Manager, but not available through the Administrator console?

A.

Configuring selective replication

B.

Generating reports

C.

Viewing policy information

D.

Viewing system status information

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Question # 35

By default, what percentage of file system storage space is reserved for operating systems and checkpoint overhead on an EMC Avamar server?

A.

10%

B.

20%

C.

35%

D.

50%

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