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Huawei H12-891 Practice Test - Questions Answers, Page 61

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OSPFV is the GP running on the P4 network) OSPF3 is the KGP running on the IP6 network. OsPFV works the same basic way as OSPF2, such as elections for DR and BDR. As shown in the figure, an engineer uses three routers for IP6 service testing, and he wants to interconnect the IPv6 network by running OSPFv3 Which of the following statements is correct regarding the election of the network DR?

A.
After the network converges, R1 is DR
A.
After the network converges, R1 is DR
Answers
B.
After the network converges, the engineer modifies the priority of R1 to 100, the priority of R2 to 10, and R3 to the default value. When the network converges again, Rl is DR and R2 is BDR
B.
After the network converges, the engineer modifies the priority of R1 to 100, the priority of R2 to 10, and R3 to the default value. When the network converges again, Rl is DR and R2 is BDR
Answers
C.
After the network converges, the broadcast link adds a device, R4, with a priority of 150 When the network converges again, R4 is DR
C.
After the network converges, the broadcast link adds a device, R4, with a priority of 150 When the network converges again, R4 is DR
Answers
D.
After the network converges, R1 is powered off and restarted, and when the network converges again, R3 is DR
D.
After the network converges, R1 is powered off and restarted, and when the network converges again, R3 is DR
Answers
Suggested answer: B, C, D

View the IGMP configuration of the interface on the router RTA as follows, and the information about the operation of the RTA is incorrect

A.
The packet interval for a particular group query is 60 seconds
A.
The packet interval for a particular group query is 60 seconds
Answers
B.
The interface IP address is 1921681.1
B.
The interface IP address is 1921681.1
Answers
C.
The maximum response time for query messages is 10 seconds
C.
The maximum response time for query messages is 10 seconds
Answers
D.
The IGMP protocol version is 2
D.
The IGMP protocol version is 2
Answers
Suggested answer: A

Based on the configuration shown in the figure below, it can be known that R4 has () interfaces advertised into IS-IS?

A.
2
A.
2
Answers
B.
3
B.
3
Answers
C.
1
C.
1
Answers
D.
0
D.
0
Answers
Suggested answer: B

As shown in the figure, all routers run OSPF, which is correct in the following statement:

A.
Both R2 and Zone 0 generate Router LSA
A.
Both R2 and Zone 0 generate Router LSA
Answers
B.
R2 generates Router LSA only in Zone 0
B.
R2 generates Router LSA only in Zone 0
Answers
C.
R2 forwards the R1-generated Router LSA to R3
C.
R2 forwards the R1-generated Router LSA to R3
Answers
D.
R2 Forwards the R3-generated Router LSA to R1
D.
R2 Forwards the R3-generated Router LSA to R1
Answers
Suggested answer: A

R3 is not established with the RI's IS-IS neighbor, and according to the information in this figure, the possible cause is ?

A.
R3 duplicates the System ID of R1
A.
R3 duplicates the System ID of R1
Answers
B.
R3 does not match the IS-Level of R1
B.
R3 does not match the IS-Level of R1
Answers
C.
R3 and R1 interconnection ports circuit-type do not match the lH authentication of
C.
R3 and R1 interconnection ports circuit-type do not match the lH authentication of
Answers
D.
R3 and R1
D.
R3 and R1
Answers
Suggested answer: C

As shown in the figure, an engineer uses four routers to test the interoperability of branch networks, where R1, R2, and R3 in branch 1 deploy OSPF Network interoperability is implemented, and R, R3, R4 in Branch 2 is deployed is-IS to achieve network interoperability. Now that the engineer wants to implement R1 access to R4's loopback address, which of the following actions will meet this requirement?

A.
No configuration is required
A.
No configuration is required
Answers
B.
Publish default routes only in the OSPF process for R2
B.
Publish default routes only in the OSPF process for R2
Answers
C.
In the OSPF process of R2 and the IS-IS process, the default routes are published separately
C.
In the OSPF process of R2 and the IS-IS process, the default routes are published separately
Answers
D.
Publish the default route only in the IS-IS process of R2
D.
Publish the default route only in the IS-IS process of R2
Answers
Suggested answer: B, C

A campus deploys OSPF to achieve network interoperability, and an engineer configures R2 as shown in the figure, then the following description of the LSA in the OSPF network is wrong

A.
There is no Type3 LsA flooding within Areal
A.
There is no Type3 LsA flooding within Areal
Answers
B.
There is no Type3 LSA flooding in Area2
B.
There is no Type3 LSA flooding in Area2
Answers
C.
There is Type5 LSA flooding within Areal
C.
There is Type5 LSA flooding within Areal
Answers
D.
Area2 contains Type5 LSA generic adverb
D.
Area2 contains Type5 LSA generic adverb
Answers
Suggested answer: A

As shown in the figure, PC1 and PC2 are hosts that belong to the same network segment, below about between PC1 and PC2 What are the correct descriptions of IPv6 neighbor states?

A.
If the MAC address information of PC2 can be queried on PC1, the neighbor relationship may be Stale
A.
If the MAC address information of PC2 can be queried on PC1, the neighbor relationship may be Stale
Answers
B.
If pc2's MAC address information can be queried on PC1, the neighbor relationship may be Probe
B.
If pc2's MAC address information can be queried on PC1, the neighbor relationship may be Probe
Answers
C.
There are five possible neighbor states between PC1 and PC2: Incomplete, Reachable, and Stale , Delay, Probe
C.
There are five possible neighbor states between PC1 and PC2: Incomplete, Reachable, and Stale , Delay, Probe
Answers
D.
If the MAC address information of PC2 can be queried on PC1, the neighbor relationship must be Reachable
D.
If the MAC address information of PC2 can be queried on PC1, the neighbor relationship must be Reachable
Answers
Suggested answer: A, C

As shown in the figure, the overload bit of ISIS is set in the configuration of router R3, and the following statement is correct

A

A.
A.
Answers
B.
B.
Answers
C.
R3's direct route will be ignored by R1 and R2 because of the setting of the overload bit .
C.
R3's direct route will be ignored by R1 and R2 because of the setting of the overload bit .
Answers
D.
When the router runs out of memory, the system automatically sets the overload flag bit in the sent LSP packets. Irrelevant to whether the user has a set-overload command configured.
D.
When the router runs out of memory, the system automatically sets the overload flag bit in the sent LSP packets. Irrelevant to whether the user has a set-overload command configured.
Answers
E.
Routes introduced by C. R3 through import-route will not be published. The LSP of
E.
Routes introduced by C. R3 through import-route will not be published. The LSP of
Answers
F.
R3 will not be able to spread to R1 and R2
F.
R3 will not be able to spread to R1 and R2
Answers
G.
R3 initiates the load state, and R1 and RZ will not calculate the LSP of R3 cattle in the SP tree.
G.
R3 initiates the load state, and R1 and RZ will not calculate the LSP of R3 cattle in the SP tree.
Answers
Suggested answer:

The network administrator defines a traffic policing policy as follows:

A.
256K bytes
A.
256K bytes
Answers
B.
48128 bytes
B.
48128 bytes
Answers
C.
32K bytes
C.
32K bytes
Answers
D.
80128 bytes
D.
80128 bytes
Answers
Suggested answer: C

Explanation:


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