Latest EMC E20-598 Dumps PDF Questions Answers 2024

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

Question 1

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

Options:

change_nodetype

avmaint

avmgr

dpnctl

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Question 2

A customer is running out of capacity on their Avamar Gen4 server with 3.9 TB nodes. They want to add three Gen4 1.3 TB nodes from their test lab.

Can these 1.3 TB nodes be repurposed for node additions in this environment?

Options:

No. All new nodes must be of the same capacity as the existing nodes.

Yes. Three 1.3 TB nodes add up to 3.9 TB and can be added to the Gen4 server with 3.9 TB nodes.

Yes, if an approved RPQ is available for the customer.

No. Gen4 1.3 TB nodes cannot be added to a Gen4 1.3 TB multi-node server.

Question 3

What must be installed to perform Avamar file level recoveries of Exchange 2010 databases?

Options:

Avamar Exchange Database and Exchange Message plug-ins

Avamar Exchange VSS and Exchange GLR plug-ins

Avamar Exchange Database plug-in and Exchange Recovery Storage Group

Avamar Exchange VSS plug-in and Exchange Recovery Storage Group

Question 4

When configuring basic networking for the storage nodes in a multi-node EMC Gen4 Avamar, which port is used to perform this operation?

Options:

iDRAC

GB1

GB3

GB4

Question 5

What is the correct order of activities performed during the EMC Avamar maintenance window?

Options:

Garbage collect, checkpoint, HFS check, checkpoint

Garbage collect, checkpoint, HFS check only

Checkpoint, HFS check, garbage collect only

Checkpoint, HFS check, checkpoint, garbage collect

Question 6

What is a consideration for using the Configuration section within EMC Backup and Recovery Manager?

Options:

Only 1:1 fan in replication should be configured

Only 1:1 fan out replication should be configured

Only server versions before 7.0 should be configured

Only server versions 7.0 and up can be configured

Question 7

According to EMC best practices, what is the maximum percentage of physical RAM that should be allocated for the hash and file caches combined?

Options:

Question 8

You are installing a single-node Gen4 Avamar Data Store. Which label is on the port that is optionally used to connect the node to the second customer switch for high availability?

Options:

GB1

GB2

GB3

GB4

Question 9

When the Avamar "getlogs" script is executed, where is the output stored?

Options:

tar file in the current directory on the utility node

root directory on each storage node

tmp directory on the storage node

tar file in the current directory on each storage node

Question 10

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

Options:

Determines if a chunk is already stored on the Avamar server

Determines if a file is already stored on the Avamar server

Stores storage node IP addresses

Sets backup flags and options

Question 11

In an Avamar configuration, what can be backed up to an EMC Data Domain device?

Options:

Microsoft Exchange VSS and Oracle

NDMP and Microsoft Exchange

Informix and Oracle

Microsoft SQL Server and File System Data

Question 12

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

Options:

EMS

MCS

GSAN

avagent

Answer:

Explanation:

Explanation/Reference:

Are next type of node is the Storage Node, which run a process called gsan. This service communicates withthe avtar command on the individual backup clients. Avtar communicates with a storage nodes gsan process,then that storage node spreads the data across the available data nodes.

Avamar Node Types and Processes

There are several different types of Nodes within an Avamar Server. The Utility node is the identity of theAvamar Server and provides the bulk of the internal Avamar server processes such as: Avamar Administrator(used to manage the Avamar Server from a gui), cron jobs, DNS, NTP, external authentication, web access,MCS and EMS.

MCS (Management Console Server) provides centralized management including scheduling of backups,restore of backups, monitoring and reporting.

EMS (Enterprise Manager Server) provides web based management for multiple Avamar Servers as well asmonitoring and configuration for Avamar Replication.

Web Access provides access to documentation, backup plug-ins as well as remote File System restoreaccess to end users.

Are next type of node is the Storage Node, which run a process called gsan. This service communicates withthe avtar command on the individual backup clients. Avtar communicateswith a storage nodes gsan process,then that storage node spreads the data across the available data nodes.

A Spare Node is an active node that is present in a multi-node RAIN (Redundant Array of Independent Nodes)grid. The interesting thing about the Spare Node is that it is NOT a hot spare. There is a procedure in placethat needs to be followed when a failed Storage Node occurs. In fact, the Avamar Server doesn’t even care ifthe Spare Node is powered on, so if you are a “Green” conscience company, feel free to leave the Spare Nodepowered down. EMC Best Practice is to leave the Spare Node up and active though.Avamar Backups clients can be installed with 2 different types of client plug-ins: File System and Databases.The Avamar client uses 2 processes in the backup and restore process: Avtar and Avagent. The Avagentprocess listens for backup/restore work orders from the MCS service on the Utility Node using port 28002 andexecutes the avtar command that handles the backup/restore processes and communicates with the gsanservice on the storage nodes. This process is depicted in the included picture above.Lastly, in a previous blog, I discussed the 2 different licensable options for Avamar and how the disks arecomprised in each Storage Nodes type. These are depicted in the picture above as well as a breakdown ofhow the disks are structured.

Question 13

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

Options:

View management log

Configure new datasets and schedules

Retire clients

Move clients to a new server

View management log

Retire clients

Delete clients

Browse client file systems

Move clients to a new domain

Retire clients

Modify client group associations

Start manual backups

Move clients to a new server

Retire clients

Move clients to a new domain

Push client software upgrades

Question 14

Which information must be provided to TrackCustomerMaster@emc.com after the Avamar software has been installed?

Options:

Company name

Party ID

Avamar System ID

Avamar cabinet serial number

Question 15

In an EMC Avamar backup operation, which process always produces identical chunk results given the same data?

Options:

Sticky-byte factoring

Compression

File caching

Hashing

Question 16

In steady state, what is the approximate rate of data removed from an Avamar grid during a daily garbage collection?

Options:

10 GB per hour per node

10 GB per hour per grid

100 GB per hour per node

100 GB per hour per grid

Question 17

By default, where are the cache files located on an EMC Avamar Windows backup client?

Options:

C:\Program Files\avs\var

C:\Program Files\avs\var\clientlogs

C:\Program Files\avs\etc

C:\Program Files\avs\bin

Question 18

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:

Backup data is marked for deletion on the Data Domain system

Backup data is deleted from the Data Domain system

Backup data on the Data Domain system is replicated 59

Cleaning is run on the Data Domain system

Question 19

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

Options:

Accelerator node

Celerra Data Mover

Proxy server

Utility node

Question 20

An EMC Avamar server is integrated with an EMC Data Domain system. A backup has expired on the Avamar server and garbage collection runs.

What is the impact to the backup stored on the Data Domain system?

Options:

The backup is deleted based on Data Domain retention policies

The backup is deleted from the Data Domain system

HFS check is run on the backup on the Data Domain

The backup is immediately replicated to another Data Domain

Question 21

Which type of data can be restored by a user with EMC Avamar Desktop/Laptop (DTLT)?

Options:

Only data owned by the user

Any data backed up from the client

All data stored on the Avamar server

All data belonging to clients in the same Avamar domain

Question 22

A customer manually runs a backup job with a retention time of 60 days. After the backup completes, they notice that the retention tag was set to “N”.

Why?

Options:

End User on Demand Retention was set to “no end date”

The default retention of the default group was set to “N”

On-demand backups are always assigned a retention tag of “N”

On-demand backups do not use retention times

Question 23

Which hash type represents an individual data chunk processed during an EMC Avamar backup?

Options:

Atomic

Root

Composite

Metadata

Question 24

Which port is used by EMC Avamar for Management Console Database access?

Options:

5555

7778

7781

8443

Question 25

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

Options:

All nodes

Only the active node

Only the passive nodes

None of the nodes

Question 26

What are the three O/S user accounts that are used by the EMC Avamar server for authentication?

Options:

root, admin, and dpn

root, MCUser, and repluser

admin, MCUser, and repluser

root, dpn, and MCUser

Question 27

A Microsoft Windows user is about to start an on-demand backup using avtar when the utility node fails on their multi-node EMC Avamar server.

What must be done to ensure the backup will run and complete successfully?

Options:

The utility node must be replaced and the configuration restored prior to starting the backup

The spare node must be converted to a utility node and the configuration restored to the utility node

The client must be activated temporarily to the first storage node and then the backup can be run

Nothing. Backup is performed from the client to the storage nodes directly

Answer:

Explanation:

Explanation/Reference:

Avamar Node Types and Processes

MCS (Management Console Server) provides centralized management including scheduling of backups,restore of backups, monitoring and reporting.

EMS (Enterprise Manager Server) provides web based management for multiple Avamar Servers as well asmonitoring and configuration for Avamar Replication.

Web Access provides access to documentation, backup plug-ins as well as remote File System restoreaccess to end users.

A Spare Node is an active node that is present in a multi-node RAIN (Redundant Array of Independent Nodes)grid. The interesting thing about the Spare Node is that it is NOT a hotspare. There is a procedure in placethat needs to be followed when a failed Storage Node occurs. In fact, the Avamar Server doesn’t even care ifthe Spare Node is powered on, so if you are a “Green” conscience company, feel free to leave the Spare Nodepowered down. EMC Best Practice is to leave the Spare Node up and active though.Avamar Backups clients can be installed with 2 different types of client plug-ins: File System and Databases.The Avamar client uses 2 processes in the backup and restore process: Avtar and Avagent. The Avagentprocess listens for backup/restore work orders from the MCS service on the Utility Node using port 28002 andexecutes the avtar command that handles the backup/restore processes and communicates with the gsanservice on the storage nodes. This process is depicted in the included picture above.Lastly, in a previous blog, I discussed the 2 different licensable options for Avamar and how the disks arecomprised in each Storage Nodes type. These are depicted in the picture above as well as a breakdown ofhow the disks are structured.

Please stop back by later, I plan to talk about the NDMP Accelerator and it’s role in the Avamar System.

Question 28

By default, what does the Avamar Email Home profile send?

Options:

Status of the daily integrity check

Avamar alerts once daily

Reports once daily

Avamar alerts as they occur

Question 29

A customer has three remote sites that contain large NAS mounted file systems. They would like to back up to their centrally located EMC Avamar server.

What is the recommended method for performing these backups?

Options:

Install NDMP accelerator nodes in each remote site, backing up to the centrally located Avamar grid overthe WAN

Install an NDMP accelerator node at the central site for all remote site NDMP backups through the WANlinks

Install Avamar client software on the NAS devices in each remote site, backing up to the centrally locatedAvamar grid over the WAN

Install Avamar client software on servers which have the file systems mounted and schedule the jobsthrough the Administrative Console GUI

Question 30

Which EMC Avamar Administration Console window is used to adjust the time when the server runs garbage collection?

Options:

Tools => Manage Schedules

Administration => Event Management

Policy => Policy Management

Administration => Services Administration

Question 31

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

Options:

PostgreSQL

Oracle

MySQL

SQL

Question 32

A Microsoft Windows user is about to initiate an on-demand backup from the client interface when the utility node fails on their multi-node EMC Avamar grid. What must be done prior to initiating the backup to ensure the backup will complete successfully?

Options:

Nothing. Backups are performed from the client to the storage nodes directly.

The utility node must be replaced and the configuration restored prior to starting the backup.

The spare node must be converted to a utility node and the configuration restored to it prior to starting thebackup.

The client must be activated temporarily to the first storage node and then the backup can continue.

Question 33

What is the recommended replication method for moving all data and clients from a single node to a multi-node EMC Avamar server?

Options:

Root-to-root replication

Root-to-REPLICATE replication

Selective replication

MCS/SQL Dump Export/Import

Question 34

What are the requirements for the virtual processor(s) dedicated to EMC Avamar Virtual Edition at all times?

Options:

One 2 GHz virtual processor

One 4 GHz virtual processor

Two 2 GHz virtual processors

Two 3 GHz virtual processors

Question 35

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

Options:

Configuring selective replication

Generating reports

Viewing policy information

Viewing system status information

Exam Detail

Vendor: EMC

Certification: EMC Certification

Exam Code: E20-598

Exam Name: Backup Recovery - Avamar Specialist Exam for Storage Administrators

Last Update: Nov 21, 2024

E20-598 Question Answers

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

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