Dell Dell Certifications DES-1721 Questions & Answers

• Question 51:

  A customer wants to configure their host to use MPIO with Storage Center. What is a requirement for it to work?

  A. At least two FC or iSCSI ports per host

  B. All host ports must be connected to a single Fault Domain

  C. MPIO is only supported on Linux OS

  D. This is a licensed feature

  Correct Answer: A

  Reference: https://downloads.dell.com/manuals/all-products/esuprt_software/esuprt_it_ops_datcentr_mgmt/general-solution-resources_white-papers3_en-us.pdf

• Question 52:

  What is the maximum number of drives that can be supported on an SC9000 storage array?

  A. 948

  B. 960

  C. 1024

  D. 1048

  Correct Answer: C

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

• Question 53:

  Which command is used to assign the DNS server IP address 10.10.10.12 on an SC9000 during the initial configuration?

  A. controller ipconfig 10.10.10.12

  B. net dns init 10.10.10.12

  C. controller dnsserver 10.10.10.12

  D. ifconfig inet 10.10.10.12

  Correct Answer: B

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

• Question 54:

  You have installed the Dell Storage Manager (DSM) Client first and then the Data Collector. When attempting to connect to the newly installed Data Collector, you receive an error message, saying: no connection could be established. What could be the cause of this error?

  A. Firewall is blocking database connection of the Data Collector.

  B. Wrong login credentials have been entered into the DSM Client.

  C. Data Collector service may not have completely started.

  D. Incompatible version of DSM Client was installed.

  Correct Answer: C

• Question 55:

  Which SC Series array feature allows all front-end ports to act as active data paths?

  A. Dual Fabric

  B. ALUA

  C. Virtual Port Mode

  D. Legacy Port Mode

  Correct Answer: C

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

• Question 56:

  What is the recommended minimum number of ports per controller, per fault domain, to support port-level failover?

  A. 1

  B. 2

  C. 3

  D. 4

  Correct Answer: B

  Reference: https://www.dell.com/support/manuals/us/en/04/dell-compellent-sc4020/sc4020om-v8/fault-domains-in-virtual-port-mode?guid=guid-91718ce3-44aa-4af4-aa20-8840bca43351andlang=en-us

• Question 57:

  You want to create a notification setting to help monitor how full the volumes are on an SC9000 system. In Dell Storage Manager (DSM), where would a schedule to only trigger these alerts during business hours be set up?

  A. "Edit Automated Report Settings"

  B. "Edit Data Collector Settings"

  C. "Threshold Alerts" Definition

  D. "Storage Center Summary" Report

  Correct Answer: B

  Reference: https://www.dell.com/storagehelp/dellstorageclient/2016R3.10/en-US/GUID-5BB2BB6F-2E0D-4AA1-A48A-FF98709A3E2A2.html

• Question 58:

  How many SC400 enclosures can be supported by an SC7020 controller?

  A. 8

  B. 10

  C. 12

  D. 16

  Correct Answer: D

  Reference: https://www.manualslib.com/manual/1337574/Dell-Sc7020.html?page=18

• Question 59:

  A company is using an SC7020 array and the storage administrator wants to expand the available capacity by adding 48, 3.5" disk drives. Which expansion enclosures can be used to meet the demand?

  A. 2x SC220 drive bays

  B. 2x SC420 drive bays

  C. 4x SC200 drive bays

  D. 4x SC400 drive bays

  Correct Answer: A

• Question 60:

  A customer is using an SC9000 array with two chained SC280 expansion enclosures. They need to expand its capacity by adding a third SC280 drive bay. What is the most cost efficient way to expand the array's capacity using as few chains as possible?

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

  B. Install two new SAS I/O cards and distribute the SC280 enclosures between them

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

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

  Correct Answer: A