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EMC E20-598 Backup Recovery - Avamar Specialist Exam for Storage Administrators Exam Practice Test

Demo: 35 questions
Total 177 questions

Backup Recovery - Avamar Specialist Exam for Storage Administrators Questions and Answers

Question 1

What is the maximum number of simultaneous backups that can be performed using an EMC Avamar NDMP accelerator with 32 GB of RAM for EMC Celerra DART 6?

Options:

A.

4

B.

8

C.

12

D.

16

Question 2

What are the three OS user accounts used by the EMC Avamar server for authentication?

Options:

A.

root, dpn, replonly

B.

admin, MCUser, repluser

C.

root, MCUser, replonly

D.

root, admin, dpn

Question 3

A multi-node EMC Avamar server is backing up clients worldwide. What must the storage administrator keep in mind to help ensure that backup schedules do not conflict with the Avamar server blackout window?

Options:

A.

Time basis for a backup schedule is the local time of the Avamar Administrator session

B.

Time basis for clients is the local time where the Avamar server utility node resides

C.

Time basis for the GSAN is the local time zone where the server resides

D.

Time basis for the maintenance schedules is GMT/UTC

Question 4

Which EMC Avamar replication mode allows for many-to-one and bi-directional replication?

Options:

A.

Normal

B.

Failover

C.

Root-to-root

D.

Selective root-to-root

Question 5

On which cluster node(s) is the Avamar Windows File System client installed in a Microsoft Windows 2008 cluster?

Options:

A.

All nodes

B.

Only the active node

C.

Only the passive nodes

D.

None of the nodes

Question 6

By default, how many simultaneous client connections are supported by an EMC Avamar Virtual Edition server?

Options:

A.

8

B.

27

C.

35

D.

72

Question 7

Based on EMC best practice, what is recommended when creating Avamar domains?

Options:

A.

A minimal number of domains

B.

A domain for every client

C.

A domain for each file system

D.

A sub-domain for each hardware platform

Question 8

Refer to the exhibit.

Shown is a diagram of the domain structure of an EMC Avamar server. How does this domain structure deviate from best practices?

Options:

A.

ClientA should not be registered in the root domain

B.

Domain2 should not be nested in another domain

C.

ClientB should not be in a domain that also contains a domain

D.

Domain3 should have at least one client

Question 9

A customer has a remote client with over 4 TB of file data that needs to be backed up to a local Avamar server.

What is a best practice to perform the initialization?

Options:

A.

Wait for any other backups to complete, then start the backup of the remote site

B.

Start the initial backup and allow overtime on the server

C.

Start the initial backup of remote client across the LAN

D.

Start with a subset of data and gradually keep increasing the data per backup

Question 10

Which four account management actions can be performed from the EMC Client Manager interface?

Options:

A.

View management log

Configure new datasets and schedules

Retire clients

Move clients to a new server

B.

View management log

Retire clients

Delete clients

Browse client file systems

C.

Move clients to a new domain

Retire clients

Modify client group associations

Start manual backups

D.

Move clients to a new server

Retire clients

Move clients to a new domain

Push client software upgrades

Question 11

An EMC Avamar customer, without premium support, has a requirement to recover from a failed storage node.

What is the minimum number of nodes, of all types, required to support this functionality?

Options:

A.

1

B.

3

C.

4

D.

5

Question 12

What would you run to determine if your EMC Avamar server is running in a steady state?

Options:

A.

capacity.sh

B.

status.dpn

C.

dpnctl status

D.

sched.sh

Question 13

What happens when files fail to find a match in the file cache during a backup of an EMC Avamar client computer?

Options:

A.

An "is present" call to the Avamar server

B.

Fewer chunks are compressed

C.

More files are processed for backup

D.

Increased memory swapping

Question 14

Which command is used to convert new Avamar nodes to storage nodes?

Options:

A.

change_nodetype

B.

avmaint

C.

avmgr

D.

dpnctl

Question 15

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

Options:

A.

avagent.log

B.

err.log

C.

avtar.log

D.

gsan.log

Question 16

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

Which type of backup should be performed?

Options:

A.

Guest

B.

ESX console

C.

VCB

D.

vSphere Image

Question 17

A storage administrator has successfully configured EMC Avamar to use Microsoft Windows Active Directory external authentication. Which accounts and/or interfaces can be accessed by users set up to use this authentication?

Options:

A.

Avamar Administrator, Enterprise Manager, and Web Access

B.

MCUser, admin, and Enterprise Manager

C.

Avamar Administrator, root, and dpn

D.

MCUser, Web Access, and root

Question 18

According to EMC best practices, what is recommended when planning for an EMC Avamar client deployment?

Options:

A.

Maximum of 5 million to 10 million files per client

B.

Maximum of 5 TB of database data per client

C.

Maximum of 10 TB of file system data per client

D.

Maximum of 500 GB of database data per client

Question 19

What is considered a CRU (Customer Replaceable Unit) for Avamar Gen4?

Options:

A.

Accelerator Node

B.

ATI 9924 24-port switch

C.

1 Gb Network Interface Cards

D.

RAM Memory Modules

Question 20

Which port does EMC Avamar use to access the Management Console database for reporting?

Options:

A.

5555

B.

7778

C.

8443

D.

8080

Question 21

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

Options:

A.

1.0 TB

B.

1.3 TB

C.

2.6 TB

D.

3.9 TB

Question 22

In which directory are the EMC Avamar administrator logs located?

Options:

A.

/usr/local/avamar/var/mc/server_log

B.

/usr/local/avamar/var/log

C.

/usr/local/avamar/etc

D.

/data01/cur

Question 23

An EMC Avamar system is integrated with an EMC Data Domain system. When a backup has expired on the Avamar server, what is the impact to the backup data stored on the Data Domain system?

Options:

A.

Backup data is marked for deletion on the Data Domain system

B.

Backup data is deleted from the Data Domain system

C.

Backup data on the Data Domain system is replicated 59

D.

Cleaning is run on the Data Domain system

Question 24

At which percentage of user capacity are new backups suspended in an EMC Avamar environment?

Options:

A.

85

B.

95

C.

96

D.

100

Question 25

Options:

Question 26

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?

Options:

A.

avmaint config balancemin=2 --avamaronly

B.

avmaint config balancemin=0 --avamaronly

C.

avmaint config balancemin=1 --avamaronly

D.

avmaint config balancemin=100–avamaronly

Question 27

Which type of database does EMC Avamar use to store information about backups?

Options:

A.

PostgreSQL

B.

Oracle

C.

MySQL

D.

SQL

Question 28

Which tool is used to move a client to a new domain in EMC Avamar 6.0?

Options:

A.

Client Manager

B.

Activation Manager

C.

Enterprise Manager

D.

Installation Manager

Question 29

A company with a multi-node EMC Avamar Data Store has experienced a catastrophic disk failure due to a RAID controller error on a storage node.

Which fault tolerance feature provides protection against data corruption on that node?

Options:

A.

RAID

B.

RAIN

C.

HFSCheck

D.

Checkpoints

Question 30

When sizing a large database server on an EMC Avamar, how many bytes per entry are added to the hash cache?

Options:

A.

20

B.

24

C.

40

D.

44

Question 31

When data is being backed up to an EMC Data Domain system in an Avamar environment, where is the backup metadata stored?

Options:

A.

On the Avamar grid

B.

On the Data Domain

C.

On the backup client

D.

On both Avamar and Data Domain

Question 32

An EMC Test Lab manager has asked you to implement Avamar 6 on their EMC Avamar Data Store (ADS) Gen3 that is currently running Avamar 4.0.

Can this Avamar ADS Gen3 server be made to run Avamar 6?

Options:

A.

Yes. Upgrade Avamar 4.0 to 4.1 and then upgrade from 4.1 to 6.0.

B.

No. Avamar 6 cannot be installed or upgraded on Avamar ADS Gen3 servers.

C.

Yes. Re-kickstart the Gen3 nodes with RHEL OS and perform a new install of Avamar 6.

D.

Yes. Re-kickstart the Gen3 nodes with SLES OS and perform a new install of Avamar 6.

Question 33

Which type of EMC Avamar Gen4S node supports SAS drives?

Options:

A.

Accelerator node

B.

Business Edition node

C.

Media access node

D.

Storage node

Question 34

An EMC Avamar storage administrator has 400 Microsoft Windows clients; 350 are production and 50 are development. The administrator wants to replicate only the production servers.

If Enterprise Manager is used to only include the production servers, what will be replicated?

Options:

A.

Clients

B.

Clients and MC_Backups

C.

Clients, MC_Backups, and EM_Backups

D.

Clients, MC_Backups, EM_Backups, and checkpoints

Question 35

Which interface is used to start Avamar Client Manager?

Options:

A.

Enterprise Manager

B.

Command Line

C.

cron job

D.

Avamar Administrator

Demo: 35 questions
Total 177 questions