Huawei HC-224 Exam Practice Test Instant Access

Question 1

Divide the network by using VLAN can ( ). (Select 2 Answers)

ASupport more network layer protocols

BRestrict the scope of broadcast domain

CIncrease the collision

DGuarantee the security

Answer : B, D

Question 2

Which of the following technologies can reduce the scale of broadcast domain?

AVLAN

BTrunk

CRARP

DSTP

Answer : A

Question 3

A VLAN can be regarded as a ( )

Acollision domain

Bbroadcast domain

Cmanagement domain

Dcongestion domain

Answer : B

Question 4

Which interface is connected to the user-side interface?

AAccess interface

BTrunk interface

CHybrid interface

DAll of the above

Answer : A

Question 5

Before establishing a network, we must create VLANs. The users that do not need to communicate with each other should be added to the same VLAN for isolation.

ATrue

BFalse

Answer : B

Question 6

What are the differences between the IGMP versions? (Select 2 Answers)

AIGMPv1/v2 cannot elect queriers but IGMPv3 can.

BIn IGMPv2/v3, members can actively leave groups, whereas in IGMPv1 members cannot actively leave groups.

CIGMPv1/v2 do not support the SSM model but IGMPv3 supports.

DIGMPv1/v2 do not support group-specific Query messages but IGMPv3 supports.

Answer : B, C

Question 7

Which of the following statements about the Reverse Path Forwarding (RPF) mechanism are true? (Select 2 Answers)

AMulticast RPF does not depend on unicast routing.

BAll multicast protocols adopt the RPF mechanism.

CA router discards the received multicast packets if the packets fail the RPF check.

DThe RPF mechanism has two functions: 1. It prevents multicast routing loops; 2. It avoids forwarding redundant multicast data packets.

Answer : C, D

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