Dell Dell Certifications DES-1721 Questions & Answers

• Question 111:

  You are deploying a new SCv2020 system with four additional SCv100 expansion enclosures. What is the spare-to-managed drive ratio?

  A. 1 spare for every drive of that type per enclosure

  B. 1 spare for every 24 managed drives of that drive type

  C. 1 spare per enclosure regardless of the drive type

  D. 1 spare for every 20 managed drives of that drive type

  Correct Answer: D

• Question 112:

  A customer is using an SC8000 array with three chained SC220 expansion enclosures on a single card. They need to expand its capacity by adding an SC280 enclosure. How should the new expansion enclosure be connected using a minimum number of chains?

  A. Add the SC280 to the same chain as the existing SC220 enclosures

  B. SC280 enclosures cannot be mixed with other enclosures

  C. Install a new SAS I/O card to connect the SC280 enclosure

  D. Add the SC280 to a new chain on the same SAS I/O card

  Correct Answer: D

• Question 113:

  Which command is used to set the eth0 IP address on an SC4020 controller?

  A. ifconfig inet eth0 [IP address] [netmask] [gateway]

  B. controller ipconfig eth0 [IP address/prefix length]

  C. ifconfig inet eth0 [IP address/prefix length]

  D. controller ipconfig eth0 [IP address] [netmask] [gateway]

  Correct Answer: C

  Reference: https://www.dell.com/community/Compellent/Dell-SC4020/td-p/5036791

• Question 114:

  You are implementing a front-end connection in Legacy Port Mode on an SC4020 in a SAN with two iSCSI switches. What is the minimum number of port(s), per switch, that can be used by each controller?

  A. One port on each Ethernet switch

  B. Two ports on each Ethernet switch

  C. Four ports on each Ethernet switch

  D. Eight ports on each Ethernet switch

  Correct Answer: C

• Question 115:

  To achieve redundancy, how many connections from the same SC Series controller are required per fault domain?

  A. 1

  B. 2

  C. 3

  D. 4

  Correct Answer: A

• Question 116:

  Which configuration represents how the back-end is cabled on an SC7020 storage array without expansion enclosures?

  A.

  B.

  

  C.

  D.

  

  Correct Answer: D

• Question 117:

  Why would the Key Management Server (KMS) Settings page appear during installation?

  A. Page appears only if SED drives are present

  B. Page only appears if an external KMS is defined during setup and configuration

  C. Page is standard and always appears as part of the installation and configuration

  D. Page only appears if a security certificate is not generated

  Correct Answer: A

  Reference: http://en.community.dell.com/cfs-file/__key/telligent-evolution-components-attachments/13-4491-00-00-20-44-02-04/ Securing_2D00_SC_2D00_Series_2D00_storage_2D00_best_2D00_practices_2D00_Dell_2D00_2016_2D002800_BP1082_2900_.pdf?forcedownload=true

• Question 118:

  What is the maximum memory supported on a single SC9000 controller?

  A. 64 GB

  B. 96 GB

  C. 128 GB

  D. 256 GB

  Correct Answer: D

  Reference: https://www.dell.com/en-us/work/shop/povw/storage-sc9000

• Question 119:

  Based on documented best practices, which options may need to be modified on a server QLogic HBA?

  A. Port Down Retry Count and Enable LIP Reset

  B. Enable Target Reset and Login Retry Count

  C. Port Down Retry Count and Enable Target Reset

  D. LUNs Per Target and Port Down Retry Count

  Correct Answer: C

• Question 120:

  A customer wants to configure a threshold alert definition. Which types of definitions can be configured?

  A. Latency, Disks, and Replication

  B. Storage, Latency, and Disks

  C. Storage, Replication, and Hardware

  D. I/O Usage, Storage, and Replication

  Correct Answer: D

  Reference: https://www.dell.com/storagehelp/dellstorageclient/2016R3.10/en-US/GUID-EF495710-B8B4-4763-884D-D5CA9C206767.html