EMC D-AV-DY-23 Exam Questions Free Practice Test

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Viewing questions 61-70 out of questions

Questions # 61:

By default, which snapshots are retained?

Options:

All checkpoints created in the last two days

The two checkpoints created during the maintenance window plus two created outside the maintenance window

The last two including the last validated checkpoint

The last two validated checkpoints in the last two days

Expert Solution

Questions # 62:

When accessing the utility node using a bash shell (putty) session as `admin', you receive a message referencing a possible Man-In-The-Middle attack stating:

"REMOTE HOST IDENTIFICATION HAS CHANGED!"

How do you repair this condition?

Options:

Remove the IP address in question from /home/admin/.ssh/known_hosts

Remove the IP address in question from /root/.ssh/known_hosts

Remove "admin" from /etc/passwd on the utility node

Remove "admin_key" key from /home/admin/.ssh

Expert Solution

Questions # 63:

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

Expert Solution

Answer

Explanation

Explanation/Reference:

D:\Documents and Settings\useralbo\Desktop\1.jpg

Avamar Node Types and Processes

There are several different types of Nodes within an Avamar Server. The Utility node is the identity of the Avamar 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 as monitoring and configuration for Avamar Replication.

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

Are next type of node is the Storage Node, which run a process called gsan. This service communicates with the 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.

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 place that needs to be followed when a failed Storage Node occurs. In fact, the Avamar Server doesn’t even care if the Spare Node is powered on, so if you are a “Green” conscience company, feel free to leave the Spare Node powered down. Dell 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 Avagent process listens for backup/restore work orders from the MCS service on the Utility Node using port 28002 and executes the avtar command that handles the backup/restore processes and communicates with the gsan service 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 are comprised in each Storage Nodes type. These are depicted in the picture above as well as a breakdown of how 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.

Questions # 64:

An Dell 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:

Clients

Clients and MC_Backups

Clients, MC_Backups, and EM_Backups

Clients, MC_Backups, EM_Backups, and checkpoints

Expert Solution

Questions # 65:

Which node configuration is supported by Dell Avamar Virtual Edition?

Options:

Single node

Multi-node with two storage nodes

Multi-node with three storage nodes

Multi-node with three storage nodes and one spare

Expert Solution

Questions # 66:

What is an advantage of performing VMware Image Level backups with Dell Avamar?

Options:

Backups can occur while virtual machines are powered on or off

Virtual machines are backed up like any other physical machine

Highest level of data deduplication is provided

Database plug-ins are supported for backups and restores

Expert Solution

Questions # 67:

What is the minimum physical memory that needs to be allocated to an Dell Avamar Virtual Edition with 1.0 TB of licensable capacity?

Options:

2048 MB

3072 MB

4096 MB

16384 MB

Expert Solution

Questions # 68:

A customer has received an Avamar Gen4 Data Store. They want the software version on the new system to match their existing Avamar 5.0 system.

What do you tell the customer?

Options:

New system must run a minimum level of Avamar version 6.0 to support Gen4

New system can be downgraded to Avamar version 5.0

New system runs Avamar versions 5 and 6 natively to support existing systems

New system can have VMware added to it to support older Avamar versions

Expert Solution

Questions # 69:

On an Dell Avamar Windows client host, what is the default location for the Avamar software?

Options:

C:\program files\avs

C:\program files\avamar

C:\avamar\avs

C:\avmrclnt

Expert Solution

Questions # 70:

A company using Dell 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?

Options:

VMware Guest Level Backup

VMware Consolidated Backup

VMware Image Level with Change Block Tracking

VMware Image Level without Change Block Tracking

Expert Solution

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