Dell Dell Certification DC0-261 Questions & Answers

• Question 21:

  You have a source LUN on a CX500 for which you maintain snapshots for tape backup. You need to

  create a new snapshot for this source LUN but are unable to do so. You can create snapshots of other

  source LUNs on the array.

  What is the most likely problem?

  A. You have reached the maximum limit of 50 Cache LUNs.

  B. You have reached the maximum limit of 150 snapshots per storage system.

  C. You have reached the maximum limit of 300 snapshots per storage system.

  D. You have reached the maximum limit of 8 snapshots per source LUN.

  Correct Answer: D

• Question 22:

  How many Disk Array Enclosure 2s (DAE2s) can be connected to a CX500?

  A. 7

  B. 5

  C. 6

  D. 8

  Correct Answer: A

• Question 23:

  When is FC switch cascading enabled?

  A. after the cascading configuration is enabled

  B. after the switches are connected via Inter-Switch Link (ISL)

  C. after the Switch Management tool is configured

  D. after the switches are reset (rebooted)

  Correct Answer: B

• Question 24:

  Which three statements about the CX300 are true. (Choose three.)

  A. Additional DAEs are attached by cabling the EXP port to the PRI port.

  B. The back-end connector on the Disk Processor Enclosure connects to the EXP connector on the DAE2.

  C. The Enclosure Address Switch on the first DAE2 is set to 1.

  D. The back-end connector on the DPE connects to the PRI connector on the DAE2.

  Correct Answer: ACD

• Question 25:

  Which LUN duplication method would have the least initial performance impact on a source LUN to create and be the easiest and least costly to implement?

  A. clone the source LUN, then mount it from a second host

  B. take a snapshot of the source LUN, then mount it from a second host

  C. mirror the source LUN to a second host

  D. use SAN Copy to copy the source LUN

  Correct Answer: B

• Question 26:

  Which utility should you use to manage a QLogic Host Bus Adapter (HBA)?

  A. DataOntap

  B. Array Manager

  C. SANsurfer

  D. LightPulse

  Correct Answer: C

• Question 27:

  On the CX700 array, which two statements will properly connect the SPE to the DAE2 enclosures? (Choose two.)

  A. Back-end loop 1 connects to the first DAE2.

  B. Back-end loop 0 connects to the second DAE2.

  C. Additional DAE2s in each loop are attached by cabling the EXP ports to the PRI ports.

  D. Back-end loop 1 connects to the second DAE2.

  Correct Answer: CD

• Question 28:

  Which three operations are possible using clones? (Choose three.)

  A. A live clone can be mounted by a secondary host to use as a standard LUN.

  B. While a clone is fractured, it can be connected to a host for use.

  C. A fractured clone can be accessed for read and write operations.

  D. Up to eight clones can be made from a single source LUN.

  E. A snapshot of a clone must be reverse synchronized prior to mounting.

  Correct Answer: BCD

• Question 29:

  Which four statements are true of zoning in Dell / EMC Storage Area Networks (SANs)? (Choose four.)

  A. Multiple initiators can participate in a single zone.

  B. Both zoning by port address and by World Wide Name (WWN) can be implemented, but only WWN zoning is currently supported in D|E SANs.

  C. Zoning is implemented at the switch level.

  D. Zones are not limited by proximity within a SAN.

  E. Zoning provides barriers or logical boundaries between different devices in a SAN.

  Correct Answer: BCDE

• Question 30:

  You have a source LUN on a CX500 for which you maintain snapshots for tape backup. You need to

  create a new snapshot for this source LUN but are unable to do so. You can create snapshots of other

  source LUNs on the array.

  What is the most likely problem?

  A. You have reached the maximum limit of 300 snapshots per storage system.

  B. You have reached the maximum limit of 8 snapshots per source LUN.

  C. You have reached the maximum limit of 150 snapshots per storage system.

  D. You have reached the maximum limit of 50 Cache LUNs.

  Correct Answer: B