EMC EMC Certifications E20-329 Questions & Answers

• Question 281:

  A customer with an existing VMware infrastructure is interested in Avamar as a potential backup solution.

  The customer needs to back up 10 virtual machines with a total of 2.9 TB of data. The daily change rate is

  6 GB per day.

  Which solution would you recommend?

  A. Avamar Data Transport

  B. Avamar Virtual Edition

  C. Physical Avamar server

  D. Virtual Avamar multinode server

  Correct Answer: C

• Question 282:

  An EMC NetWorker customer has three backup servers with four storage nodes reporting to each of the backup servers. All servers run Microsoft Windows. A dual-engine EMC Disk Library with Active Engine Failover is being proposed for this environment with embedded storage nodes for to physical tape. What is a consideration for this solution?

  A. Active Engine Failover is unsupported in a Windows environment

  B. Multiple instances of the embedded storage node will need to be configured

  C. Each embedded storage node can only serve a single data zone

  D. NetWorker servers must be configured as read storage nodes for the cloning operation

  Correct Answer: B

• Question 283:

  A customer is planning a new database rollout using Oracle and wants to perform online backups. Initial tests with NetWorker have shown that the backups cannot be completed within the backup window of 6 hours.

  You have analyzed your backup environment and there are adequate resources to meet this stringent backup window. What is one of the first things to check in NetWorker or RMAN to increase performance without adding cost and complexity?

  A. Adjust the maximum number of files in a backup set to be less than the number of open files

  B. Adjust RMAN channels to have multiple streams per tape device

  C. Adjust RMAN multiplexing to be less than the tape multiplexing setting

  D. Adjust RMAN multiplexing to be equal to or greater than the tape multiplexing setting

  Correct Answer: A

• Question 284:

  A customer wants to know why their backup performance to the Avamar multinode f\grid has decreased. Initially they were seeing an ingestion rate of around 5 to 7 GB/hr/node. Recently they estimated that it has slowed to around 3 to 5 GB/hr/node. What is a probable cause for the decrease in the average ingestion rate?

  A. HFS check has not been completing successfully

  B. A large number of backups have been expired, causing new stripes to be created

  C. New stripes are no longer being created and steady-state has been achieved

  D. Garbage collection is not running, causing stripes to fill and new stripes to be created

  Correct Answer: C

• Question 285:

  In a Microsoft Windows environment, how fast does a split have to occur for VSS to work?

  A. Within 2 seconds

  B. Within 5 seconds

  C. Within 10 seconds

  D. Within 15 seconds

  Correct Answer: C

• Question 286:

  A customer has an existing environment that uses a Data Domain appliance as a disk backup target. The customer now wants to implement a disaster recovery site using an existing T1 Internet connection. Consider the following:

  1.

  100 GB of data has been backed up on the primary Data Domain appliance

  2.

  Retention policy is set for 6 months

  What is a best practice implementation for this environment?

  A. Run a snapshot command over the LAN and then ship the Data Domain appliance onsite

  B. Configure and seed replication over the LAN and then ship the Data Domain appliance onsite

  C. Ship the Data Domain appliance onsite, and then run a fastcopy command over the WAN

  D. Ship the Data Domain appliance onsite, and then configure and seed replication over the WAN

  Correct Answer: D

• Question 287:

  The EMC account team has been asked to design a NetWorker backup solution for a Microsoft SharePoint server. The customer's environment consists of a Microsoft SharePoint Server 2007 distributed farm deployment on a CLARiiON disk array with EMC VSS Provider and an EMC Disk Library. The customer wants to leverage a Microsoft VSS framework to provide disaster recovery of the SharePoint Saver 2007 distributed farm environment. What is an important design consideration?

  A. Individual SharePoint wed application can be restored

  B. Individual SharePoint content database cannot be restored

  C. Recovery operation can be initiated from any SharePoint web front-end server

  D. Rollback recovery is unsupported

  Correct Answer: D

• Question 288:

  A customer has been using Avamar to leverage deduplication for VMware. They have been performing guest-level backups and now want to perform. vmdlk backups for disaster recovery.

  What is a requirement to perform VCB backups?

  A. Proxy host with Microsoft Windows 2003 SP1 or 64-bit Red Hat Linux

  B. Guests with VCB and Virtual Center server software installed

  C. ESX server with Fibre Channel SAN storage hosting VMFS or RDMS

  D. Guests with the Avamar client and the Avamar VCB Interoperability Module

  Correct Answer: C

• Question 289:

  You are designing an EMC NetWorker deduplication solution for a customer. When performing a restore of a backup containing multiple save sets from a deduplication node.

  What is the maximum number of save sets that can be recovered concurrently?

  A. 1

  B. 2

  C. 4

  D. 6

  Correct Answer: C

• Question 290:

  An existing EMC customer notices that garbage collection is not running in Avamar because the capacity limit has reached. At which capacity limit does garbage collection stop running?

  A. 85%

  B. 90%

  C. 95%

  D. 100%

  Correct Answer: A