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Huawei H12-224 Practice Test - Questions Answers, Page 50

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Which of the following BGP routing policies can be used to filter routes? (Choose two.)

A.
Ip-prefix
A.
Ip-prefix
Answers
B.
Reflect-client
B.
Reflect-client
Answers
C.
Route-policy
C.
Route-policy
Answers
D.
Next-hop-local
D.
Next-hop-local
Answers
Suggested answer: A, C

Which statements about the MED attribute are true? (Choose three.)

A.
Based on BGP route selection rules, the MED attribute takes precedence over the AS_Path, Preferred-Value, Local-Preference, and Origin attributes.
A.
Based on BGP route selection rules, the MED attribute takes precedence over the AS_Path, Preferred-Value, Local-Preference, and Origin attributes.
Answers
B.
The MED attribute of a BGP route defaults to 100.
B.
The MED attribute of a BGP route defaults to 100.
Answers
C.
By default, BGP compares MED attributes of only the routes from the same AS. If the compare-different-as-med command is configured, BGP can compare the MED attributes of the routes from different ASs.
C.
By default, BGP compares MED attributes of only the routes from the same AS. If the compare-different-as-med command is configured, BGP can compare the MED attributes of the routes from different ASs.
Answers
D.
By default, if the MED value of a BGP route is not specified, the value 0 is used. If the bestroute med-none-as-maximum command is configured, the maximum MED value 4294967295 is used.
D.
By default, if the MED value of a BGP route is not specified, the value 0 is used. If the bestroute med-none-as-maximum command is configured, the maximum MED value 4294967295 is used.
Answers
Suggested answer: A, C, D

Once a BGP connection is established, a BGP Speaker advertises all the optimal routes in the BGP routing table to its BGP peer.

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

Based on BGP route selection rules, a local route that is automatically summarized takes precedence over a local route that is manually summarized.

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

Which method is used to establish session between the BGP peers?

A.
Telnet
A.
Telnet
Answers
B.
Send Hello packet
B.
Send Hello packet
Answers
C.
UDP
C.
UDP
Answers
D.
TCP
D.
TCP
Answers
Suggested answer: D

Which of the following statements are correct regarding BGP attribute? (Choose two.)

A.
Till now, there are 16 BGP attributes
A.
Till now, there are 16 BGP attributes
Answers
B.
BGP attribute can be extended to 256 types
B.
BGP attribute can be extended to 256 types
Answers
C.
Well-known discretionary attribute may not be included in each BGP update message, such as Origin attribute
C.
Well-known discretionary attribute may not be included in each BGP update message, such as Origin attribute
Answers
D.
AS_PATH is an Optional Transitive attribute
D.
AS_PATH is an Optional Transitive attribute
Answers
Suggested answer: A, B

In a route-policy, which BGP attributes can be invoked by if-match clauses? (Choose three.)

A.
Local-Preference
A.
Local-Preference
Answers
B.
AS-Path
B.
AS-Path
Answers
C.
MED
C.
MED
Answers
D.
Community
D.
Community
Answers
Suggested answer: B, C, D

Based on BGP route selection rules, the route with the lowest Local-Preference is preferred.

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

In a route-policy, which BGP attributes can be used to define apply clauses? (Choose three.)

A.
Local-Preference
A.
Local-Preference
Answers
B.
Tag
B.
Tag
Answers
C.
Origin
C.
Origin
Answers
D.
AS-Path
D.
AS-Path
Answers
Suggested answer: A, C, D

What is the function of well-known community attribute NO_EXPORT_SUBCONFED in BGP?

A.
Routes received carrying this value cannot be advertised outside the confederation
A.
Routes received carrying this value cannot be advertised outside the confederation
Answers
B.
Routes received carrying this value cannot be advertised to any BGP peers
B.
Routes received carrying this value cannot be advertised to any BGP peers
Answers
C.
Routes received carrying this value cannot be advertised to any EBGP peers
C.
Routes received carrying this value cannot be advertised to any EBGP peers
Answers
D.
All above statements are wrong
D.
All above statements are wrong
Answers
Suggested answer: C
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