EMC DCS-IE DES-1121 Questions & Answers

• Question 51:

  Which SYMCLI command can be used to create a new TDEV and assign it to a Storage Group in one step?

  A. symdev

  B. symsg

  C. symcfg

  D. symaccess

  Correct Answer: D

• Question 52:

  How does Solutions Enabler use Gatekeepers to pass commands to the PowerMax array?

  A. Automatically creates the Gatekeeper and unlocks the device. Processes the system commands; locks and deletes the Gatekeeper

  B. Obtains the Gatekeeper and locks the device. Processes the system commands and unlocks the device

  C. Obtains the Gatekeeper and unlocks the device Processes the system commands and locks the device.

  D. Automatically creates the Gatekeeper and locks the device Processes the system commands; unlocks and deletes the Gatekeeper.

  Correct Answer: C

• Question 53:

  From an application perspective what should be done prior to performing an SRDF Fallback operation?

  A. Continue accessing the R2 devices Start accessing the R1 devices before running the command

  B. Stop accessing the R2 devices Run the command and then start accessing the R1 devices

  C. Stop accessing the R2 devices Start accessing the R1 devices before running the command

  D. Continue accessing the R2 devices Run the command and then start accessing the R1 devices

  Correct Answer: B

• Question 54:

  Two PowerMax arrays have been configured for replication using SRDF During a disaster recovery operation production has been transferred to the R2 devices at the target site. Which operation begins the transfer of accumulated invalid tracks from the R2s to the R1s while production work continues on the R2s?

  A. Update

  B. Fallback

  C. Resume

  D. Failover

  Correct Answer: C

• Question 55:

  A systems administrator is performing a configuration change on a PowerMax array. Where does the configuration manager perform the change?

  A. Host which performs the change

  B. MMCS

  C. Disk drives

  D. SYMAPI

  Correct Answer: B

• Question 56:

  Which Unisphere for PowerMax client connection authentication type is irrevocable once it is selected?

  A. LDAP - SSL

  B. Multi-factor Authentication

  C. x.509 Common/Principal Name

  D. Windows AD Domain-based

  Correct Answer: A

• Question 57:

  A host is connected to two PowerMax arrays with SRDF/Metro Host l/Os cannot be delivered across the SRDF link. The devices in the SRDF group have been forced into a Not Ready state to the host Which attribute is set on the SRDF group to cause this behavior?

  A. Local Link Domino

  B. Local Auto Link Recovery

  C. Update After Resume Link

  D. Limbo Period

  Correct Answer: C

• Question 58:

  Which product(s) support(s) only 7+1 in RAID 5 configurations?

  A. VMAX3

  B. VMAX All Flash and PowerMax 8000

  C. VMAX All Flash and PowerMax 2000

  D. VMAX All Flash

  Correct Answer: D

• Question 59:

  A systems administrator plans to use Non-Disruptive Migration (NDM) to migrate data from a VMAX array running Enginuity 5876 to a PowerMax running PowerMaxOS 5978 Which NDM mode will be used?

  A. Metro-based

  B. Adaptive Copy

  C. Asynchronous

  D. Pass-through

  Correct Answer: A

  https://www.delltechnologies.com/asset/en-us/products/storage/technical- support/h17133-non-disruptive-migration-best-practices-and-operational-guide.pdf

• Question 60:

  What does a service level define*?

  A. Expected average throughput for a Storage Group

  B. Expected average response time target for a Storage Group

  C. Expected average response time target for a disk group

  D. Expected average throughput for a disk group

  Correct Answer: B