Free H12-821 Sample Questions — HCIP-Datacom-Core Technology V1.0

Free H12-821 sample questions for the HCIP-Datacom-Core Technology V1.0 exam. No account required: study at your own pace.

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Question 1

Which command is used to configure the VRRP preemption delay?

  • A. vrrp vrid 1 timer delay 20
  • B. vrrp vrid 1 preempt-delay 20
  • C. vrrp vrid 1 preempt-mode timer delay 20
  • D. vrrp vrid 1 preempt-timer 20
Show Answer
Correct Answer:
C. vrrp vrid 1 preempt-mode timer delay 20
Question 2

Route attributes are specific descriptions of routes. BGP route attributes can be classified into four types. Which of the following are well-known discretionary attributes? (Choose all that apply.)

  • A. Community
  • B. MED
  • C. Local_Preference
  • D. Atomic_Aggregate
Show Answer
Correct Answer:
  • C. Local_Preference
  • D. Atomic_Aggregate
Question 3

Both the CIST and MSTI are calculated based on priority vectors, which are contained in MST BPDUs. Among the priority vectors that participate in MSTI calculation, which one has the highest priority?

  • A. Internal path cost
  • B. External path cost
  • C. ID of the root switching device
  • D. Regional root ID
Show Answer
Correct Answer:
C. ID of the root switching device
Question 4

The Hold time in the Open message sent by BGP Peer A is 90s, while that in the Open message sent by Peer B is 30s. What is the interval for sending Keepalive messages after the two peers establish a connection?

  • A. No Keepalive messages will be sent
  • B. 90s
  • C. 10s
  • D. 30s
Show Answer
Correct Answer:
C. 10s
Question 5

Which of the following statements regarding OSPF AS-External-LSA are true? (Choose all that apply.)

  • A. Net mask is set to all 0s
  • B. Advertising Router is set as the router ID of an ASBR
  • C. Link State ID and Advertising Router can uniquely identify an AS-External-LSA
  • D. Link State ID is set as an address on the destination network segment
Show Answer
Correct Answer:
D. Link State ID is set as an address on the destination network segment

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