Dell Dell Certifications DES-1721 Questions & Answers

• Question 81:

  In an SC8000 environment, what is a reason why Legacy Port Mode should be implemented on the front-end legacy Mode?

  A. Simplify iSCSI connectivity

  B. Improve front-end redundancy

  C. Support AIX servers without NPIV

  D. Increase front-end performance

  Correct Answer: D

  Reference https://www.dell.com/storagehelp/dellstorageclient/2016R3/en-us/GUID-2D6A2482-F78D-4598-ADA3-D9E49ED3ED7F.html

• Question 82:

  Which datapage size options are available for SC Series arrays?

  A. 512 KB, 1 MB, and 2 MB

  B. 512 KB, 2 MB, and 4 MB

  C. 1 MB, 2 MB, and 4 MB

  D. 1 MB, 4 MB, and 8 MB

  Correct Answer: B

  Reference https://www.dell.com/storagehelp/dellstorageclient/2016R2/en-us/GUID-16CA643E-2093-409F-AAC3-8E88066E2E0F.html

• Question 83:

  An administrator wants to configure an SC Series array to use Virtual Port Mode. What is a requirement to accomplish this task?

  A. I/O Controller cards must use a single-ID firmware version

  B. Activation license must be installed

  C. NPIV must be disabled on Fibre Channel switches

  D. Fibre Channel switches must use an arbitrated loop topology

  Correct Answer: D

  Reference https://www.dell.com/support/manuals/lt/en/ltbsdt1/dell-compellent-sc4020/sc4020om-v8/requirements-for-virtual-port-mode?guid=guid-90fdb7bf-141b-4218-b3e5-2acb34acf90dandlang=en-us

• Question 84:

  Refer to the exhibit.

  

  Which port on the second SC280 expansion enclosure is used to connect the first expansion enclosure to the second expansion enclosure on the A-side of this configuration?

  A. A = Port A, left EMM

  B. B = Port B, Left EMM

  C. C = Port C, Left EMM

  D. D = Port B, Right EMM

  Correct Answer: A

• Question 85:

  What is a requirement for installing the Dell Storage Manager (DSM) Virtual Appliance?

  A. Must be installed on a standalone ESXi Hypervisor

  B. Must be installed on a vVols datastore

  C. Must be installed on a standalone Hyper-V Hypervisor

  D. Must be installed on a standard datastore

  Correct Answer: D

  Reference: ftp://mail.gapp.cz/pub/DELL/client/Storage%20Manager%20Installation%20Guide.pdf (P.35)

• Question 86:

  An SC9000 controller was rebooted to test failover and is back online. Do the controllers need to be rebalanced?

  A. Yes; however, the other controller needs to be rebooted first

  B. No; this is done automatically as part of the reboot process in DSM

  C. No; they are automatically rebalanced on the SC9000

  D. Yes; this can be done from the Summary, Storage, or Hardware tab in DSM

  Correct Answer: D

• Question 87:

  A customer has a dual controller system, two independent Fibre Channel switches, and six servers all multipathed. How many zones should be present on each for the SAN to run properly in Virtual Port Mode?

  A. 6

  B. 8

  C. 12

  D. 16

  Correct Answer: D

• Question 88:

  What is a licensed feature of Dell Storage Manager?

  A. Data Center Bridging (DCB) Support

  B. Storage-based Chargeback

  C. Replication and Live Volumes

  D. Data Reduction

  Correct Answer: B

  Reference: https://www.dell.com/support/manuals/us/en/04/storage-sc2020/sc-7.2-rn/sc7020-and-sc5020-features-and-licenses?guid=guid-951cc6b4-5d6e-4b46-8c72-a7f69514dd08andlang=en-us

• Question 89:

  Why should Legacy Port Mode be selected rather than Virtual Port Mode on an SC Series storage array?

  A. Virtual Port Mode requires NPIV support

  B. Legacy Port Mode is easier to set up and more reliable

  C. Virtual Port Mode is difficult to set up

  D. Virtual Port Mode does not support ALUA

  Correct Answer: C

• Question 90:

  In an SC Series environment, which Fibre Channel zoning method is more flexible?

  A. Port

  B. Single Initiator/Multi-Target

  C. Single Initiator/Single Target

  D. WWN

  Correct Answer: D