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Huawei H12-261 Practice Test - Questions Answers, Page 18

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Which of the following AS-paths can be matched by the AS-Path filter configured using the ip as-path-filter 1 permit ^12.*74$ command?
Which of the following command outputs indicates that a loop has occurred on a switch?
The default SSM group address range is 232.0.0.0/8. Which of the following configurations can be performed to modify the SSM group address range?
In the aggregate ipv4-address {mask | mask-length} [as-set | attribute-policy route-policy-name1 | detail-suppressed | origin-policy route-policy-name2 | suppress-policy route-policy-name3] command, multiple parameters can be used to affect the BGP summarized route and summarization result. Which of the following statements regarding this command are true?
For Huawei S series switches, to control which member switch becomes the master switch of a stack, first power on the switch you wish to be the master switch, and then wait 20 seconds before powering on the other member switches.
Which of the following statements regarding the packet processing method in the MPLS network model are false?
Which of the following statements is true according to the topology shown?
OSPF has been configured on R1 as shown above, but R1 does not learn the routes from any other routers, which of the following are possible causes? (Choose all that apply.)
To reduce the amount of OSPF data and routing information in some areas, OSPF has special area types. Which of the following statements regarding OSPF special areas is true?
The output of the display in vpn-instance verbose command for displaying detailed information about all VPN instances on a network device is as follows. Which of the following statements are false?

Question 171

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The figures below show an enterprise's Layer 2 networking architecture and information displayed when engineers check the device status after communication between departments fails.

What are the possible causes of this communication failure?

A.
The switches have different region names.
A.
The switches have different region names.
Answers
B.
The switches have different instance-VLAN mapping configurations.
B.
The switches have different instance-VLAN mapping configurations.
Answers
C.
The switches have different revision levels.
C.
The switches have different revision levels.
Answers
D.
The switches have different BPDU sending intervals.
D.
The switches have different BPDU sending intervals.
Answers
Suggested answer: B

Question 172

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You are performing troubleshooting on a LAN and suspect that the error is caused by mismatching working modes.

Which of the following switch interface errors indicate that the working modes of the 10/100/1000 Ethernet interfaces do not match?

A.
Alignment error
A.
Alignment error
Answers
B.
Excessive collisions
B.
Excessive collisions
Answers
C.
Undersized frame
C.
Undersized frame
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D.
Late collisions
D.
Late collisions
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E.
FCS error
E.
FCS error
Answers
Suggested answer: E

Question 173

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The ip ip-prefix ip-prefix-name [ index index-number ] {permit | deny} ipv4 address mask-length [ greater-equal greater-equal-value ] [ less-equal- less-equal-value ] command is used to configure an IP prefix list for route filtering.

If the less-equal parameter of an IP prefix list is specified in this command but the greater-equal parameter is not specified, what is the range of the created IP prefix list?

A.
[mask-length, less-equal-value]
A.
[mask-length, less-equal-value]
Answers
B.
[less-equal-value, 32]
B.
[less-equal-value, 32]
Answers
C.
Unlimited
C.
Unlimited
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D.
[0, less-equal-value]
D.
[0, less-equal-value]
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Suggested answer: B

Question 174

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An OSPF router is connected to Area 0 and Area 1, and Area 1 is configured as a stub area.

Which type of LSAs are in Area 1?

A.
Type 1, Type 2, and Type 5 LSAs
A.
Type 1, Type 2, and Type 5 LSAs
Answers
B.
Type 1, Type 2, and Type 3 LSAs
B.
Type 1, Type 2, and Type 3 LSAs
Answers
C.
Type 3 and Type 4 LSAs
C.
Type 3 and Type 4 LSAs
Answers
D.
Type 7 LSA
D.
Type 7 LSA
Answers
E.
Type 1 and Type 2 LSAs
E.
Type 1 and Type 2 LSAs
Answers
Suggested answer: B

Question 175

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According to the following scenario, which of the following statements are true?

A.
R1 and R2 cannot establish a neighbor relationship.
A.
R1 and R2 cannot establish a neighbor relationship.
Answers
B.
R1 has both Level-1 and Level-2 LSDBs.
B.
R1 has both Level-1 and Level-2 LSDBs.
Answers
C.
R1 has a route to the IP address 10.0.2.2/32 of loopback0 on R2.
C.
R1 has a route to the IP address 10.0.2.2/32 of loopback0 on R2.
Answers
D.
R1 can successfully ping the IP address of loopback0 on R2.
D.
R1 can successfully ping the IP address of loopback0 on R2.
Answers
Suggested answer: A

Question 176

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Which of the following statements regarding OSPFv3 Router-LSAs is true?

A.
The data part of a Router-LSA contains the interface IDs of the local router and its neighbors' router ID.
A.
The data part of a Router-LSA contains the interface IDs of the local router and its neighbors' router ID.
Answers
B.
When LS type in the LSA header is 0x0001, the data part of the LSAs is a Router-LSA.
B.
When LS type in the LSA header is 0x0001, the data part of the LSAs is a Router-LSA.
Answers
C.
Similar to OSPFv2, the Option field exists in an LSA header rather than the data part of a Router-LSA.
C.
Similar to OSPFv2, the Option field exists in an LSA header rather than the data part of a Router-LSA.
Answers
D.
The data part of a Router-LSA contains the link-local address.
D.
The data part of a Router-LSA contains the link-local address.
Answers
Suggested answer: C

Question 177

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Which of the following statements regarding OSPFv3 is false?

A.
Multiple instances can be run on a single link.
A.
Multiple instances can be run on a single link.
Answers
B.
Each OSPFv3 process runs independently in a router.
B.
Each OSPFv3 process runs independently in a router.
Answers
C.
The OSPFv3 packet header contains the Instance ID field.
C.
The OSPFv3 packet header contains the Instance ID field.
Answers
D.
Multiple instances can be run in the same OSPFv3 process on a interface.
D.
Multiple instances can be run in the same OSPFv3 process on a interface.
Answers
Suggested answer: D

Question 178

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Router HW1 runs BGP, and has IBGP peers and EBGP peers configured.

Which of the following statements regarding the IBGP peers and EBGP peers are true?

A.
The router sends BGP updates learned from each IBGP peer to the other IBGP and EBGP peers.
A.
The router sends BGP updates learned from each IBGP peer to the other IBGP and EBGP peers.
Answers
B.
The IBGP peers must be directly connected. Otherwise, multi-hop IBGP must be configured on the router.
B.
The IBGP peers must be directly connected. Otherwise, multi-hop IBGP must be configured on the router.
Answers
C.
The EBGP peers can establish peer relationships through loopback interfaces.
C.
The EBGP peers can establish peer relationships through loopback interfaces.
Answers
D.
The router sends BGP updates learned from each EBGP peer to the other EBGP and IBGP peers.
D.
The router sends BGP updates learned from each EBGP peer to the other EBGP and IBGP peers.
Answers
E.
The EBGP peers must be directly connected. Otherwise, multi-hop EBGP must be configured on the router.
E.
The EBGP peers must be directly connected. Otherwise, multi-hop EBGP must be configured on the router.
Answers
Suggested answer: D, E

Question 179

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Which of the following statements regarding IS-IS GR is true?

A.
A new TLV is defined to support IS-IS GR.
A.
A new TLV is defined to support IS-IS GR.
Answers
B.
IS-IS GR is enabled by default.
B.
IS-IS GR is enabled by default.
Answers
C.
IS-IS GR uses four timers.
C.
IS-IS GR uses four timers.
Answers
D.
IS-IS GR uses CSNPs for event notification and neighbor relationship maintenance.
D.
IS-IS GR uses CSNPs for event notification and neighbor relationship maintenance.
Answers
Suggested answer: A

Question 180

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What are the possible causes for an establishment failure of an IBGP peer relationship between two routers?

A.
Multi-hop IBGP is not configured.
A.
Multi-hop IBGP is not configured.
Answers
B.
There is no reachable IGP route between the routers.
B.
There is no reachable IGP route between the routers.
Answers
C.
Authentication fails.
C.
Authentication fails.
Answers
D.
The BGP protocol versions are different.
D.
The BGP protocol versions are different.
Answers
Suggested answer: B
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