EMC EMC Certifications E20-329 Questions & Answers

• Question 301:

  Which environment will yield the optimal data deduplication for backup purposes?

  A. An advertising organization where multimedia files are backed up and store indefinitely

  B. Database environment where large transaction logs are backup up on a daily basis and for one month

  C. Hospital environment where compliance requires patient information (CAT scans, MRI, x- rays) to be backed up, stored, and accessible for up to 10 years

  D. Virtualized environment where OS images are stored in a SAN environment and backed up and retained for 3-6 months

  Correct Answer: D

• Question 302:

  You have been asked to design a new backup solution for a customer to satisfy operational backup requirements. After an initial analysis you decide to implement a two-tier solution. The first tier is disk; the second tier is tape. A retention period needs to be defined for the first tier that will determine when backup data will be moved to the second tier. What is an important piece of information you need to consider when determining this retention period?

  A. Available bandwidth

  B. Recovery point objective

  C. Frequency of restore requests

  D. Type of backup

  Correct Answer: C

• Question 303:

  What are the key concerns when discussing the implementation of a Celerra two-way NDMP backup design utilizing the SnapSure feature?

  A. Rate of data change, network bandwidth to the backup server, and the second primary Data Mover I/O load

  B. Backup server I/O rate, network bandwidth, and amount of source data

  C. Network bandwidth between both primary Data Movers, backup server I/O rate, and Data Mover II/O loads

  D. Amount of source data, rate of data change, and Data Mover I/O load

  Correct Answer: D

• Question 304:

  An EMC NetWorker customer is experiencing poor backup performance, Your analysis determines that significant host resources are used to manage low-level network handshaking operations during backup. Based on EMC recommendations, what can you do to alleviate the handshake issue?

  A. Upgrade the network driver

  B. Upgrade the LAN

  C. Install a TCP offload engine card

  D. Install a second network interface card

  Correct Answer: C

• Question 305:

  A customer has purchased Data Protection Advisor (DPA) to provide a single enterprise report on backup compliance across their 24 geographically disperse locations. How many DPA servers should be installed?

  A. Twenty- four one at each location

  B. One in the primary data center

  C. Five deployed regionally to balance the load

  D. Two in the primary data center for redundancy

  Correct Answer: B

• Question 306:

  An EMC NetWorker customer is considering using an EMC Disk Library as a target as shown in the exhibit. Two storage nodes need to access the same pool of virtual tapes. In addition, the customer wants to load balance the usage of virtual tape drives across the available connections. Based on EMC best practices, which satisfies these requirements?

  

  A. Assign each host initiator port a different set of virtual tape drives from the same virtual library

  B. Configure each host initiator with a different virtual tape library, pointing to a common pool of virtual tapes

  C. Assign all virtual drives to all host initiator ports and use Power Path

  D. configure all virtual tape drives on all initiators and enable Active Engine Failover

  Correct Answer: A

• Question 307:

  A customer has twofiles that have been locked and backed up to Data Domain appliance with the following parameters: File1=atime=20 years File1=atime=5 years The Data Domain global retention periods are configured as follows: Min=2 years Max=10 years The administrator changes the Data Domain maximum retention period to 4 years. After how many years can File 2 be deleted?

  A. 2

  B. 4

  C. 5

  D. 10

  Correct Answer: C

• Question 308:

  An EMC NetWorker customer has an Oracle database client. To achieve acceptable backup performance, they have configured the backup to use four RMAN channels.

  The customer wants to benefit from adding Avamar deduplication for this backup. What is a consideration

  before proposing this design change?

  A. Data from each RMAN channel must be sent to a separate deduplication node

  B. Less than six RMAN channels in a deduplicated backup will perform poorly

  C. More than two RMAN channels in a deduplicated backup will cause the backup to fail

  D. Separate cache files are recommended for each RMAN channel

  Correct Answer: D

• Question 309:

  A customer has asked you to design a backup solution that has a NAS device with several terabytes of

  encrypted data spread across three different file systems.

  Which backup option should be avoided in this environment?

  A. Multiplexing

  B. NDMP

  C. Hot or online backup

  D. Deduplication

  Correct Answer: D

• Question 310:

  What is a key consideration when assessing a nested mount file system and an NDMP Volume Based Backup (VBB) backup strategy?

  A. Multithreaded PAX format for enhanced backup performance is supported

  B. Directory Direct Access Recovery (DDAR) for fast recovery is supported

  C. Selectively backing up a subset of the file system is unsupported

  D. Individual file recovery without the destructive restore flag is unsupported

  Correct Answer: C