EMC DCS-IE Datacenter Networking DES-5221 Questions & Answers

• Question 1:

  In the OS10 CLI what does Ctrl+A do?

  A. Deletes all the text before the cursor.

  B. Moves the cursor to the start of the command line.

  C. Moves the cursor to the end of the command line.

  D. Deletes the word before the cursor.

  Correct Answer: B

• Question 2:

  What type of network in a Data Center flattens the core and aggregation layers into a single tier?

  A. Leaf

  B. Leaf-spine

  C. Spine

  D. TRILL

  Correct Answer: B

• Question 3:

  At which layer does LLDP operate?

  A. 1

  B. 3

  C. 2

  D. 4

  Correct Answer: C

• Question 4:

  Which router types are contained in a single-area OSPF implementation?

  A. Stub router and ABR

  B. ABR and ASBR

  C. Internal router and ASBR

  D. Backbone router and Internal router

  Correct Answer: D

• Question 5:

  Which field in an IP header is used for QoS marking?

  A. ToS

  B. SA

  C. CoS

  D. DA

  Correct Answer: A

• Question 6:

  From which range can a network administrator choose when setting the RSTP priority value?

  A. 1-6400

  B. 0-61440

  C. 0-614400

  D. 1-64

  Correct Answer: B

  Reference: https://www.dell.com/support/article/en-my/how10394/how-to-manage-rapid-spanning-tree-rstp-thru-command-line-on-dell-networking-powerconnect-switches?lang=en

• Question 7:

  What benefit does VRRP version 3 provide over VRRP version 2 in OS10?

  A. Provides preemption capability.

  B. Provides MD5 authentication.

  C. Allows subsecond timers.

  D. Allows multiple masters in the topology.

  Correct Answer: C

• Question 8:

  Which commands are required to properly configure an OS10 switch to run OSPF on eth1/1/3 and to add network 144.254.1.0/30 to OSPF area 0?

  A. OS10(config)# interface ethernet 1/1/3 OS10(conf-if-eth1/1/3)# no shutdown OS10(conf-if-eth1/1/3)# no switchport OS10(conf-if-eth1/1/3)# ip address 144.254.1.2/30 OS10(conf-if-eth1/1/3)# ip ospf 1 area 0.0.0.0 OS10(config)# router ospf1

  B. OS10(config)# router ospf 1 OS10(config-router-ospf-1)# router-id 1.1.1.1 OS10(config)# interface ethernet 1/1/3 OS10(conf-if-eth1/1/3)# no shutdown OS10(conf-if-eth1/1/3)# no switchport OS10(conf-if-eth1/1/3)# ip ospf 1 area 0.0.0.0

  C. OS10(config)# interface ethernet 1/1/3 OS10(conf-if-eth1/1/3)# no shutdown OS10(conf-if-eth1/1/3)# ip address 144.254.1.2/30 OS10(conf-if-eth1/1/3)# no switchport OS10(conf-if-eth1/1/3)# ip ospf 1 area 0.0.0.0 OS10(config)# router ospf 1

  D. OS10(config)# interface ethernet 1/1/3 OS10(conf-if-eth1/1/3)# no shutdown OS10(conf-if-eth1/1/3)# ip address 144.254.1.2/30 OS10(conf-if-eth1/1/3)# no switchport OS10(conf-if-eth1/1/3)# ip ospf 1 area 0.0.0.0 OS10(conf-if-eth1/1/3)# router ospf 1

  Correct Answer: C

• Question 9:

  When installing OS10 on a switch from a USB drive, what format is used for the file system?

  A. HFS+

  B. FAT32

  C. NTFS

  D. HFS

  Correct Answer: B

  Reference: https://www.dell.com/support/article/en-hr/how12762/dell-emc-networking-how-to-update-os10-on-a-switch-running-os10?lang=en

• Question 10:

  When configuring VRRP in tandem with VLT, what is the default VRRP mode?

  A. active-active

  B. primary-standby

  C. active-standby

  D. master-backup

  Correct Answer: D