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Huawei H12-891 Practice Test - Questions Answers, Page 3

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Regarding the Stub region in the OSPF protocol , the following statement is correct.

A.
ASBR cannot exist in the Stub zone
A.
ASBR cannot exist in the Stub zone
Answers
B.
Virtual connections cannot traverse the Stub region.
B.
Virtual connections cannot traverse the Stub region.
Answers
C.
Injecting typeT LSA
C.
Injecting typeT LSA
Answers
D.
backbone areas that are not allowed in Stub regions cannot be configured as Stub regions.
D.
backbone areas that are not allowed in Stub regions cannot be configured as Stub regions.
Answers
Suggested answer: A, B, C, D

The LSA of type certainly does not exist in the 220SPF Stub zone

A.
Type7
A.
Type7
Answers
B.
Type5
B.
Type5
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C.
Type4
C.
Type4
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D.
Type3
D.
Type3
Answers
Suggested answer: A, B, C

There is an existing router running OSPF connected to Zone 0 and Zone 1 You configured Zone 1 as a stub zone, what classes does LSA that only operates inside Zone 1 include?

A.
7 ? LSA
A.
7 ? LSA
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B.
1 ? LSA ? 2 ? LSA
B.
1 ? LSA ? 2 ? LSA
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C.
I LSA,2 LSA 5 LSA
C.
I LSA,2 LSA 5 LSA
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D.
3 ? LSA ? 4 ? LSA
D.
3 ? LSA ? 4 ? LSA
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E.
1 LSA,2 LSA 3 LSA
E.
1 LSA,2 LSA 3 LSA
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Suggested answer: E

An engineer performed the ingestion operation on an OSPF router in a network of the company, is the following statement about the introduction of the routing LSA correct?

A.
The A. Advertising Router report is set to as the Router ID of ASBR
A.
The A. Advertising Router report is set to as the Router ID of ASBR
Answers
B.
Net Mask is set to all 0
B.
Net Mask is set to all 0
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C.
Link State lD is set as the destination network segment address
C.
Link State lD is set as the destination network segment address
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D.
Using the Link State ID and Advertising Router, you can uniquely identify an LSA
D.
Using the Link State ID and Advertising Router, you can uniquely identify an LSA
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Suggested answer: A, C

In broadcast networks, elections to DIS begin only after a neighbor relationship has been established

A.
True
A.
True
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B.
False
B.
False
Answers
Suggested answer: A

Which of the following statement about isis protocol route aggregation is correct?

A.
Route aggregation can be configured and takes effect on all types of routers
A.
Route aggregation can be configured and takes effect on all types of routers
Answers
B.
Route aggregation can only take effect if configured on Leve-1 port routers
B.
Route aggregation can only take effect if configured on Leve-1 port routers
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C.
Route aggregation can only be configured on Leve-2 routers to take effect
C.
Route aggregation can only be configured on Leve-2 routers to take effect
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D.
Route aggregation can only be configured on Leve-1-2 routers to take effect with
D.
Route aggregation can only be configured on Leve-1-2 routers to take effect with
Answers
Suggested answer: A

ISIS does not send CSNP packets under the P2P network type during the neighbor establishment process.

A.
True
A.
True
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B.
False
B.
False
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Suggested answer: B

In 0SPFv3 , Router-LSA is generated by each router, which describes the interface address and cost of each link of the router, and also includes the RouterlD of the neighbor router

A.
True
A.
True
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B.
False
B.
False
Answers
Suggested answer: B

Is the following GR description of ISIS correct?

A.
The GR feature of AISIS is turned on by default.
A.
The GR feature of AISIS is turned on by default.
Answers
B.
ISIS's GR has a total of four timers.
B.
ISIS's GR has a total of four timers.
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C.
ISIS's GR notifies of events and maintains neighbor relationships through CSNP messages.
C.
ISIS's GR notifies of events and maintains neighbor relationships through CSNP messages.
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D.
ISIS's GR defines a new TLV structure to support this feature.
D.
ISIS's GR defines a new TLV structure to support this feature.
Answers
Suggested answer: D

Both the CSNP packet of ISlS and the DD packet of OSPF have a role in the MA network, describing the role of the link state database summary, which is correct compared to the following statements of these two types of messages

A.
Both packets need to be confirmed to the terminal router after being sent, otherwise they need to be retransmitted
A.
Both packets need to be confirmed to the terminal router after being sent, otherwise they need to be retransmitted
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B.
Once the adjacency relationship is established, the CSRP packet and the D message will stop sending
B.
Once the adjacency relationship is established, the CSRP packet and the D message will stop sending
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C.
The two packets do not need to be confirmed to the router after they are sent the master-slave relationship in the DD message interaction of
C.
The two packets do not need to be confirmed to the router after they are sent the master-slave relationship in the DD message interaction of
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D.
OSPF is not identity bound to dr/BDR; the CSN message is generated only by DIS
D.
OSPF is not identity bound to dr/BDR; the CSN message is generated only by DIS
Answers
Suggested answer: D
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