Question 1

As a next-generation wireless technology, Wi-Fi 6 greatly improves bandwidth rate and performance. Which of the following statements isfalseabout the features of Wi-Fi 6?

Options :

A : Uses OFDMA technology to achieve high concurrency.

B : Realizes zero latency, ensuring efficient service running.

C : Provides high bandwidth, up to 9.6 Gbps.

D : Uses TWT technology to reduce terminal power consumption.

Answer: B

Question 2

Which of the following statements regarding multicast MAC addresses are false?

Options :

A : One multicast MAC address maps to 32 multicast IP addresses.

B : One multicast MAC address maps to only one multicast IP address.

C :

The high 24 bits of the multicast MAC address are 0x01005E, the 25th bit is fixed to 1, and the lower 23 bits of the MAC address map to the lower 23 bits of the multicast IP address.

D : A multicast MAC address identifies receivers of a multicast group on the data link layer.

Answer: B

Question 3

A local router runs IS-IS and its command output is shown in the following figure. Which of the following statements is true?

Options :

A : The circuit level of S4/0/0 is Level-1.

B : S4/0/0 supports IPv6.

C : S4/0/0 sends IIH packets at the interval of 30s.

D : The cost of S4/0/0 is 20.

Answer: D

Question 4

Similar to the OSPF DR, the IS-IS DIS needs to be elected on a broadcast network. However, the OSPF DR is preemptive by default, whereas the IS-IS DIS is not preemptive by default.

Options :

A : TRUE

B : FALSE

Answer: A

Question 5

On Huawei switches, which of the following planes provides network information and forwarding entries that are mandatory for data plane forwarding?

Options :

A : Forwarding plane

B : Control plane

C : Data plane

D : Monitoring plane

Answer: B

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