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Huawei H12-211-ENU Exam Syllabus Topics:

Huawei HCIA-Routing&Switching(Huawei Certified ICT Associate) Sample Questions:

1. The loop protection function provided by the RSTP protocol can take effect only on the specified port.

A) False
B) True

2. The RSTP protocol uses the P/A mechanism to speed up the speed at which the upstream port goes to the Forwarding state, but the loop is not available, what is the reason?

A) Ensure that loops do not occur by blocking its own non-root ports
B) Speed ​​up the port role election
C) Introduced edge ports
D) Shortened the time of Forward Delay

3. Which flag bits of the STP protocol are not used by the Flag field in the RSTP configuration BPDU? (Muitiple choice)

A) Agreement
B) Proposal
C) TCA
D) TC

4. Which of the following statements about the handling of RSTP configuration BPDU are correct? (Multiple Choice)

A) When a port receives a sub-optimal RST BPDU from the upstream designated bridge, the port immediately responds to its stored RST BPDU.
B) After the topology is stable, the non-root bridge device sends the configuration BPDU after receiving the configuration BPDU sent by the upstream device.
C) After the topology is stable, the non-root bridge device sends configuration BPDUs at the interval specified by the Hello timer, regardless of whether the configuration BPDUs are received from the root bridge.
D) The root port must wait for the BPDU Max Age timeout to re-top the topology calculation.

5. As shown in the following figure, IPSec uses tunnel mode. What is the scope of ESP encryption?

A) 2
B) 4
C) 3
D) 1

Solutions: