EMC EMC Certifications E20-329 Questions & Answers

• Question 241:

  A customer uses EMC NetWorker on HP-UX to back up 20 TB per day to physical tape. They currently restore 10 TB of database data twice a week. The customer needs a new backup solution that will reduce backup and restore times and is highly available.

  What is a recommended EMC solution?

  A. Dual-engine EMC Disk Library appliance without AEF

  B. Dual-engine Data Domain appliance with OST

  C. Dual-engine EMC Disk Library appliance with AEF

  D. Dual-engine Data Domain appliance without OST

  Correct Answer: A

• Question 242:

  An EMC NetWorker customer is currently performing all backups to physical tape. This includes multiple 7 TB databases with 2 weeks retention. Their current tape libraries are approaching end of support life.

  The customer has asked for an EMC recommendation that will improve operational backup and restore reliability. What will meet the customer's requirements?

  A. EMC Disk Library

  B. Data Domain

  C. Avamar

  D. Deduplication Node

  Correct Answer: A

• Question 243:

  An EMC NetWorker customer is planning on directing the backups of a database server to the single-engine EMC Disk Library (EDL) as shown in the exhibit. The data to be backed up is accessed by the host through a redundant connection and resides on primary storage.

  

  Based on EMC best practice, what needs to be adjusted in the solution?

  A. Add a separate HBA to the dedicated storage node for EDL traffic

  B. Replace the dedicated storage node with a standard storage node

  C. Add a proxy host

  D. Implement a second single-engine EDL for redundancy

  Correct Answer: A

• Question 244:

  A new Avamar customer is concerned with data security since all backup data is stored on disk. To minimize the customer's concerns, you have recommended the encryption-at-rest feature.

  What is a consideration when using this feature?

  A. Must be enabled at install time and results in noticeable performance reduction

  B. Can be enabled anytime and requires additional GSAN capacity

  C. Must be enabled on a per-client basis and has no impact on performance

  D. Must be enabled on a per node basis and requires the use of the consolidate option for backups

  Correct Answer: A

• Question 245:

  A new EMC Avamar customer wants advice on setting up their groups and schedules. The customer has a mixed environment and is migrating from a traditional tape backup solution with a mixed retention policy.

  Which follows EMC best practices for setting up groups and policies?

  A. Minimize the number of groups, combine different OSs in datasets, and implement advanced retention.

  B. Group clients by OS, make unique datasets for each OS, and create unique retention policies for Monthly, Daily, Weekly, and Yearly.

  C. Enable the default group and use the group for all policies. Every client is added to this group upon activation.

  D. Create a unique group for each dataset, schedule, and retention.

  Correct Answer: A

• Question 246:

  An EMC Avamar customer has a file server with 3 million files. Using the default cache setting, how much of the physical RAM is required on the client for the Avamar file cache?

  A. 133 MB

  B. 512 MB

  C. 1.5 GB

  D. 4 GB

  Correct Answer: C

• Question 247:

  An existing Avamar customer wants to add a new large client to their Avamar system. This is a moderately full Avamar single-node server running in steady-state.

  What is the estimated time to ingest the customer's large file system if the size, after deduplication, is 10 GB?

  A. 10 - 20 minutes

  B. 30 minutes

  C. 1 hour

  D. 2 - 4 hours

  Correct Answer: D

• Question 248:

  A customer wants to back up VMware using Avamar to leverage deduplication. They have been and want to continue performing VCB backups.

  Where will the Avamar client and the Avamar VCB Interoperability Module be installed?

  A. Backup proxy server

  B. ESX server and backup proxy server

  C. Virtual machines guest operating system

  D. Virtual machines and backup proxy server

  Correct Answer: A

• Question 249:

  An EMC Avamar customer wants to start backing up their VMware environment. The customer's goal is to obtain the highest level of data deduplication support for file system and application backups. In addition, they do not want to have to train their administrators on a new backup method.

  Which method of VMware backup will meet the customer's needs?

  A. Install an Avamar agent on each guest OS

  B. Install the Avamar agent on the ESX server console

  C. Use a snapshot mounted to a proxy server over the SAN

  D. Use VMware Consolidated Backup

  Correct Answer: A

• Question 250:

  A customer wants to deploy encryption-at-rest for Avamar. When sizing a new solution, which key encryption-at-rest factor(s) should be considered?

  A. Consumes more system resources

  B. Does not require significant system resources

  C. Consumes more resources and requires 35% more disk capacity

  D. Requires 50% more disk capacity

  Correct Answer: A