Free Access Huawei.H12-261_V3.0.v2022-11-21.q152 Practice Test (Page 24)

Question 111

Next The Header field information exists only in the header of IPv6 packets, and is used to indicate whether IPv6 extension headers exist.

A.false

B.True

Question 112

As shown in the following topology diagram, all interfaces of the router in the figure enable the ISIS protocol.
The following statements are correct (multiple choices))

A.if the Ethernet0/0/0 interface of R1 is down, then R2 will become the master device

B.if the Ethernet0/0/1 interface of R1 is down, then R2 will become the master device

C.if the GE0/0/0 interface of R3 is down, then R2 will become the master device

D.if the Ethernet0/0/0 interface of R3 is down, then R2 will become the master device

Question 113

the following aboutThe establishment process of LDP LSP, which description is correct?

A.Label releaseIn the DoD mode, for a specific FEC, the LSR performs label allocation and distribution without obtaining a label request message from the upstream.

B.By default, LSFor the same FEC, the received label mapping can only come from the optimal next hop, not from the non-optimal next hop.

C.When the network topology change causes the next hop neighbor to change, using the free label retention mode, the LSR can directly use the label sent by the original non-optimal next hop neighbor to quickly rebuild the LSP. Liberal requires more memory and tab space.

D.The LSP establishment process is actually the process of binding the FEC to the label and advertising the binding to the upstream LSR of the LSP.

Question 114

A network runs both ISIS and OSPF protocols. The topology is as shown in the figure.Route import is configured on RTB and RTC respectively, and the devices are connected through Gigabit Ethernet ports. The
2.2.2.2/32 network segment is imported on RTD through import-route. diThe rect method is introduced into OSPF, assuming all other configurations are defaults, what is wrong with the description of this network?

A.existAdjusting the ISIS priority on RTB to 160 can avoid suboptimal routing problems in the network.

B.existThe following configuration is used on RTC to filter out only 2.2.2 when importing routesRoute
2/32 network segment. [RTC]ip ip-prefix 10 index 1 deny 2.0.0.0 8 less-equal 32
[RTC-isis- 1] filterr-policy ip-prefix 10 import

C.The next hop of the route that RTB learns from network segment 2.2.2.2/32 is RTA.

D.The following configuration can beWhen RTC imports OSPF routes, the routes from the 2.2.2.2/32 network segment of RTD are filtered out. [RTC-acl-basic-2001]rule 5 deny source 2.0.0.0 0.255
255.255
[RTC-ac1-basi-2001]rule 10 permit
[RTC-isis-1]filter-policy 2001 import

Question 115

command ip as path-filterr 1 permit ^12.*74$ can match which AS_ PATH?

A.AS_ _PATH (321 12 2374)

B.AS_ _PATH (123621 7432374)

C.AS_ PATH (125328 74 twenty three)

D.AS_ PATH (32 1274 twenty three)

Other Version: 2507Huawei.H12-261_V3.0.v2022-08-02.q111

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