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Free H12-821 – Huawei H12-821 Practice Test Question

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Showing 1–3 of 5 questions

Question 1 (Topic 1)

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?

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  • ○ No Keepalive messages will be sent
  • ○ 90s
  • ○ 10s
  • ○ 30s
Question 2 (Topic 1)

Which of the following statements about the AC's mobility group are false? (Choose all that apply.)

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  • ○ STAs can roam only between ACs in the same mobility group.
  • ○ The mobility server must be an AC in the local mobility group.
  • ○ A mobility server needs to be specified for member ACs in a mobility group.
  • ○ ACs in the same mobility group encapsulate and transmit roaming information over the DTLS extended tunnel.
Question 3 (Topic 1)

STP ensures a loop-free network but has a slow network topology convergence speed, affecting communication quality. RSTP has made some improvements based on STP. Which of the following improvements is not included?

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  • ○ If a port does not receive configuration BPDUs from the upstream device within four Hello intervals, the switch considers that the negotiation with the neighbor fails.
  • ○ The non-root switch running RSTP sends configuration BPDUs at the interval specified by the Hello timerr, which is performed independently by each device.
  • ○ RSTP reduces five port states to three port states based on user traffic forwarding and MAC address learning.
  • ○ RSTP deletes three port states and adds two port roles.