Question 1

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

Accepted Answer

The answer of What are the three OS user accounts...

Question 2

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?

Accepted Answer

When a backup expires on the Avamar server, the corresponding backup data on the Data Domain system is marked for deletion, but not immediately deleted. This allows for a more controlled and efficient cleanup process.

Question 3

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

Accepted Answer

The "Time Out - Start" error is related to the Avamar client agent, so the avagent.log is the first place to check for issues related to the client starting up.

Question 4

Starting at the bottom, what is the recommended order for racking components in a Gen4 EMC Avamar Data Store rack without premium support?

Accepted Answer

The answer of Starting at the bottom, what is the...

Question 5

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?

Accepted Answer

The backup process in EMC Avamar is designed to allow clients to back up directly to storage nodes, even if the utility node fails.

Question 6

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?

Accepted Answer

Using NDMP accelerator nodes at each remote site allows for efficient backup of large NAS file systems to the central Avamar server over the WAN.

Question 7

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

Accepted Answer

In a steady state, EMC Avamar typically removes approximately 10 GB of data per hour per node during daily garbage collection.

Question 8

What is the smallest supported RAIN configuration for EMC Avamar?

Accepted Answer

The smallest supported RAIN (Redundant Array of Independent Nodes) configuration for EMC Avamar requires at least 1 utility node and 3 storage nodes.

Question 9

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

Accepted Answer

The answer of In an Avamar configuration, what can be...

Question 10

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

Accepted Answer

The iDRAC port is used to perform basic networking configuration for the storage nodes in a multi-node EMC Gen4 Avamar.

Question 11

A company has decided to deploy the EMC Avamar software to guest machines in a VMware environment. What is the difference between backing up a guest machine versus a physical machine?

Accepted Answer

Avamar treats guest machines in a VMware environment similarly to physical machines, allowing for file-level backups and deduplication.

Question 12

What is the maximum number and types of nodes for an EMC Avamar multi-node server?

Accepted Answer

An EMC Avamar multi-node server can have a maximum of 16 storage nodes, 1 utility node, and 1 spare node.

Question 13

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?

Accepted Answer

Starting with a subset of data and gradually increasing the data per backup helps manage the load on the network and server, ensuring a more efficient and successful backup process.

Question 14

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

Accepted Answer

The answer of What are characteristics of a single node...

Question 15

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?

Accepted Answer

Replicated clients from a source Avamar system appear under the /REPLICATE/Avamar1/clients domain on the target Avamar system.

Question 16

A storage node in a multi-node EMC Avamar server has failed, and a full node replacement is being performed. What is used to reconstruct the data on the replacement node?

Accepted Answer

RAIN (Redundant Array of Independent Nodes) is used to reconstruct data on a replacement node in a multi-node EMC Avamar server.

Question 17

A company using EMC Avamar has decided to virtualize their Microsoft Exchange environment using VMware guests instead of physical systems. Which backup methodology must they use to perform hot backups and restores of their Microsoft Exchange environment?

Accepted Answer

VMware Guest Level backup methodology is required for hot backups and restores of applications like Microsoft Exchange, as it allows for application-aware backups, ensuring data consistency and integrity.

Question 18

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

Accepted Answer

The backup metadata in an Avamar environment is stored on the Avamar grid, while the actual backup data is stored on the Data Domain system.

Question 19

Which role is used to perform and monitor restores?

Accepted Answer

The Restore Only Operator role is used to perform and monitor restores.

Question 20

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

Accepted Answer

The GSAN (Global Storage Area Network) process on the EMC Avamar server communicates with the avtar process on the client during a backup.

Exam 10: Backup Recovery - Avamar Specialist for Storage Administrators