Question 1

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

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[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

Question 2

VRF, also called VPN instance, is a network virtualization technology that helps VPN technology to isolate users. In normal cases, multiple VPN instances can be created on a physical device, and each VPN instance has independent entries. Which of the following resources can be independently owned by a VPN instance?

Options :

A : Interface

B : Routing table

C : MAC address table

D : Routing protocol process

Answer: A,B,D

Question 3

An edge port is a new port role added to RSTP to overcome the disadvantages of STP. Which of the following statements is false about this port role?

Options :

A : The port does not participate in RSTP calculation.

B : The port can directly enter the Forwarding state from the Discarding state.

C : After receiving a configuration BPDU, the port is still in the Forwarding state.

D : The Up and Down states of the port do not cause network topology changes.

Answer: C

Question 4

OSPF routers exchange Hello packets to establish neighbor relationships. The Hello packet sending modes vary by network type. On which of the following types of networks are Hello packets multicast?

Options :

A : NBMA

B : P2MP

C : P2P

D : Broadcast

Answer: C,D

Question 5

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