EMC EMC Certifications DES-DD33 Questions & Answers

• Question 1:

  An organization uses tape libraries in their current backup infrastructure. They have purchased a PowerProtect DD system and plan to use VTL to move from physical tape.

  What is a consideration when configuring the tape size?

  A. Target multiple drives to write single stream

  B. Use multiple drives to write multiple streams

  C. Set retention periods for as long as possible

  D. Use larger tapes for multiple smaller datasets

  Correct Answer: B

• Question 2:

  What is a characteristic of using replication with Dell EMC Cloud Tier?

  A. Always takes place between the source and destination cloud tier

  B. Cloud Tier is required to be configured on the source and destination systems

  C. Always takes place between the source and destination active tier

  D. Does not require that a file be recalled from the cloud on the source

  Correct Answer: C

• Question 3:

  What are some key benefits of performing backups and recoveries with a PowerProtect DD appliance?

  A. Increase in the overall size and scope Elimination of physical tape Fewer copies that need to be tracked Increased speed of disaster recovery

  B. Reduction in the overall size and scope Elimination of physical tape Number of copies that do not need to be tracked Increased speed of disaster recovery

  C. Reduction in the overall size and scope Elimination of physical tape Fewer copies that need to be tracked Increased speed of disaster recovery

  D. Increase in the overall size and scope Elimination of physical tape Number of copies that do not need to be tracked Increased speed of disaster recovery

  Correct Answer: A

• Question 4:

  Which command is used to check if NFS is enabled?

  A. nfs show clients

  B. nfs enable

  C. system show

  D. nfs status

  Correct Answer: D

  Reference: https://www.cyberciti.biz/faq/find-out-if-nfs-service-running-on-linux-unix-server/

• Question 5:

  An administrator wants to integrate a PowerProtect DD appliance into their current backup environment using CIFS, NFS, DD Boost, and VTL. Which backup applications support these protocols?

  A. Commvault Simpana and Veritas Backup Exec

  B. Veritas NetBackup and Dell EMC NetWorker

  C. Dell EMC Avamar and Dell EMC NetWorker

  D. IBM Spectrum Protect and Veritas NetBackup

  Correct Answer: B

• Question 6:

  A backup administrator has enabled the Retention Lock feature on their PowerProtect DD appliance. Over time, the administrator noticed an increase in file system utilization. Upon further investigation, the administrator discovered expired files are still present on the appliance.

  What is the most likely reason for this issue?

  A. The atime of the file was set below the minimum retention period

  B. File system cleaning was disabled

  C. Backup application failed to delete the file after expiration

  D. Retention Lock feature was disabled before the expiration date

  Correct Answer: C

• Question 7:

  An administrator monitors the performance statistics of a PowerProtect DD appliance. Low disk-write rates are shown, and the network inbound traffic is high. What is the most likely cause of this behavior?

  A. Expired segments

  B. Known segments

  C. Disk failure

  D. NVRAM failure

  Correct Answer: B

• Question 8:

  A Spectrum Protect administrator is configuring VTL on PowerProtect DD. Which tape driver type should they select?

  A. L180

  B. L2000

  C. TS3500

  D. L6000

  Correct Answer: C

  Reference: https://www.ibm.com/support/pages/emc-data-domain-deduplication-storage-systems-dd-series-vtl-information-ibm-spectrum-protect-server-formerly-tsm

• Question 9:

  An administrator is migrating their old cloud tier-enabled Data Domain to a new PowerProtect DD appliance with cloud tier. During migration, the administrator recognizes that file system cleaning on the source system is not possible. What is the most likely cause of this behavior?

  A. Filesystem is disabled on source system

  B. Source system is running in restricted mode

  C. Migration will restrict all activities on both systems

  D. Migration will restrict all activities on source system

  Correct Answer: D

  Reference: https://www.delltechnologies.com/asset/en-us/products/data-protection/technical-support/docu95865.pdf

• Question 10:

  When should using Virtual Synthetic backups be considered?

  A. Daily incremental backups are larger than 15% of a normal full backup

  B. PowerProtect DD appliance has more than 10 disks

  C. Backups are nonfile system data such as databases

  D. Backups are large and localized

  Correct Answer: A