Free Access Huawei.H12-831_V1.0-ENU.v2022-08-05.q187 Practice Test (Page 21)

Question 96

An engineer used two routers to test IPv6 services, and simulated the interconnection between headquarters and branches by running BGP4+.

The logical topology of the network is shown in the figure. Regarding the transmission of IPv6 routes between two devices, which of the following statements is wrong?

A.If the Update message carries the MP_REACH_NLRI attribute, it means that the advertised route is reachable

B.When routing, the Next_Hop attribute must be an IPv6 global unicast address

C.BGP4+ transmits routing information between peers through Update messages

D.When routing, it will carry AS_Path and other recognized mandatory attributes

Question 97

Which of the following statements about VLAN aggregation is correct? (Multiple choice)

A.A Super-VLAN can contain one or more SUb-VLANs

B.Sub-VLAN contains physical interfaces. A three-layer VLANIF interface can be established

C.Sub-VLAN is used to isolate the broadcast domain

D.Super-VLAN only contains physical interfaces and cannot establish a Layer 3 VLANIF interface

Question 98

Which of the following reasons may cause the hosts in the same VLAN of the LAN to fail to communicate? (Multiple choice)

A.The interface is manually shut down or the physical interface is damaged

B.Switch MAC address learning error

C.Port isolation is configured on the switch

D.Wrong port and MAC address binding is configured on the switch

Question 99

In the DU label distribution mode, if the Liberal retention mode is adopted, the device will retain the labels distributed by all LDP peers, regardless of whether the LDP peer is the optimal next hop to the destination network segment.

A.True

B.False

Question 100

Configuring DHCP Snooping can be used to prevent imitator attacks, so the configuration process needs to include the following What are the steps?

A.Configure Interface Trust Status

B.enable globalDHCPFunction

C.enable globalDHCP SnoopingFunction

D.enable interface orVLANofDHCP SnoopingFunction

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Question 96

Question 97

Question 98

Question 99

Question 100

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