Question 1

During routine O&M, an engineer finds that theHold Timeparameters of two devices are inconsistent. In this case, which of the following situations occurs?

Options :

A : A peer relationship can be established, and the smaller Hold Time is selected after negotiation.

B : A peer relationship can be established, and the larger Hold Time is selected after negotiation.

C : No peer relationship can be established.

D : A peer relationship can be established, and the devices use their own parameter values to send messages.

Answer: A

Question 2

InIP multicast transmission, packets are transmitted from a source to agroup of receivers. Which of the following statements aretrueabout IP multicast technologies?

Options :

A : Compared with broadcast, IP multicast prevents information flooding.

B : Compared with broadcast, IP multicast effectively conserves network bandwidth.

C : Compared with unicast, IP multicast improves information transmission security.

D : Compared with unicast, IP multicast increases the load of information sources.

Answer: A,B

Question 3

Which of the following statements regarding OSPF is true?

Options :

A :

OSPF does not have an acknowledgement mechanism. Therefore, OSPF relies on the upper-layer protocol, TCP, for acknowledgement.

B : OSPF performs LSDB update every 30 minutes.

C : OSPF uses the Bellman-Ford algorithm, and each router independently runs this algorithm.

D : OSPF floods a LSU packet at an interval of 5s.

Answer: B

Question 4

An enterprise administrator configures route summarization on ASBRs to reduce the number of inter-area Type 3 LSAs, which in turn reduces the routing table size and improves device resource utilization.

Options :

A : TRUE

B : FALSE

Answer: A

Question 5

The IP prefix list configuration on a Huawei router is shown below. Which of the following routes can match this IP prefix list?

bash

Copy

[huawei] ip ip-prefix test index 10 permit 10.0.0.0 8 less-equal 32

Options :

A : 10.1.1.1/32

B : 10.1.1.0/6

C : 10.1.1.0/24

D : 10.0.0.0/16

Answer: A,C,D

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