Free Access Huawei.H12-261_V3.0.v2022-11-21.q152 Practice Test (Page 7)

Question 26

Which of the following statements about OSPF route calculation is false

A.OSPF routers use the FULLSPF algorithm to calculate all nodes in the network when initially calculating routes

B.Compared to PRC algorithm, ISPF algorithm only calculates the changed leaf nodes when the route changes

C.When the type-3, type-5 or type-7 LSA changes on the network, the PRC algorithm is used to recalculate the route

D.When the Type 1 and Type 2 LSAs on the network change, the OSPF uses the ISPF algorithm to recalculate the route

Question 27

Regarding the Stub area and TotallyStub area of the OSPF protocol, the following statements are correct:

A.After changing the original stub area to a TotallyStub area, the LS of each router in the area. The number of LSAs in the DB will definitely decrease

B.Stub Area Domain and Totally No ASB can exist in the stub areaR

C.Modify the original Stub area to Totaly After stubbing an area, the number of LSAs propagated in the area will definitely decrease

D.If Totally There are two ABs in the stub area R, then each ABR sends an LS to the routers in the area ID is an LSA of 0.0.0.0

Question 28

What is wrong about the functional description of OSPFv3 protocol authentication?

A.OSP for routerFv3 IPSec authentication can support not only transport mode, but also tunnel mode

B.OSPFv3 can only use manual mode to establish SA SA

C.OSPThe Autype and Authentication fields are removed from the Fv3 protocol header

D.OSPFv3 authentication relies on the authentication header and encapsulating security payload header of IPv6 packets

Question 29

A router runs 0SPF, and the output information is as shown in the figure. Which of the following statements is correct?

A.This device is ABR

B.The type of the LSA is AS-external-LSA

C.The LSA in the figure is generated by this router

D.The destination network described by this LSA is 10.0.23.0/24

Question 30

The firewall has created some security zones by default. Which of the following security zones does not exist by default on the firewall?

A.Internet

B.DMZ

C.Trust

D.Local

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Question 26

Question 27

Question 28

Question 29

Question 30

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