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Huawei H12-261 Practice Test - Questions Answers, Page 24

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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?
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?
Which of the following command outputs indicates that a loop has occurred on a switch?
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 231

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The precedence field in VLAN (802.1Q) data encapsulation has six bits.

A.
TRUE
A.
TRUE
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B.
FALSE
B.
FALSE
Answers
Suggested answer: B

Question 232

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On a switch with factory default settings, its MAC address table is empty. Host A connected to the switch sends the first unicast data frame. What operation will the switch perform after receiving the data frame?

A.
The switch discards the data frame
A.
The switch discards the data frame
Answers
B.
The switch records the source MAC address of the data frame and floods the data frame out of all interfaces except the one it received the frame
B.
The switch records the source MAC address of the data frame and floods the data frame out of all interfaces except the one it received the frame
Answers
C.
The switch buffers the data frame and forwards the data frame after the destination host sends a data frame
C.
The switch buffers the data frame and forwards the data frame after the destination host sends a data frame
Answers
D.
The switch forwards the data frame out through an interface based on the destination MAC address of the data frame
D.
The switch forwards the data frame out through an interface based on the destination MAC address of the data frame
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Suggested answer: B

Question 233

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Which of the following configurations can be used to prevent users from connecting a hub to an access port on a switch allowing multiple device to access the network?

A.
A.
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B.
B.
Answers
C.
C.
Answers
D.
D.
Answers
Suggested answer: A

Question 234

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On a LAN running STP (802.1D), which of the following parameters will not be received by a non-root switch from the root switch?

A.
Forward delay
A.
Forward delay
Answers
B.
Hold time
B.
Hold time
Answers
C.
MaxAge
C.
MaxAge
Answers
D.
Hello time
D.
Hello time
Answers
E.
Root Path cost
E.
Root Path cost
Answers
Suggested answer: B

Question 235

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When a router receives an LSP on a broadcast network or a P2P network enabled with IS-IS, the router needs to send a PSNP to ensure LSDB synchronization.

A.
TRUE
A.
TRUE
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B.
FALSE
B.
FALSE
Answers
Suggested answer: A

Question 236

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

A.
The Link-LSA contains both the link-local address and all IPv6 prefixes of the interface
A.
The Link-LSA contains both the link-local address and all IPv6 prefixes of the interface
Answers
B.
The Link-LSA contains both the link-local address of the interface and all IPv6 prefixes of the same area on the router
B.
The Link-LSA contains both the link-local address of the interface and all IPv6 prefixes of the same area on the router
Answers
C.
The Option field exists in an LSA header rather than the data area of a Link-LSA
C.
The Option field exists in an LSA header rather than the data area of a Link-LSA
Answers
D.
If the PrefixOptions field of a prefix in the Link-LSA is 0x00, the prefix is not involved in the IPv6 unicast calculation
D.
If the PrefixOptions field of a prefix in the Link-LSA is 0x00, the prefix is not involved in the IPv6 unicast calculation
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Suggested answer: B

Question 237

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Assuming three routers (A, B, and C) uses BGP as the routing protocol. A sends Update packets to B and B sends the Update packets toC. Which of the following attributes meet the following two conditions?

(1) A can select whether to carry this attribute in Update packets.

(2) If B receives an Update packet carrying this attribute, B still advertises the Update packet to C although B cannot identify this attribute. Then, Router C may identify and use this attribute.

A.
Multi_Exit_Disc
A.
Multi_Exit_Disc
Answers
B.
Local_Pref
B.
Local_Pref
Answers
C.
Community
C.
Community
Answers
D.
Aggregator
D.
Aggregator
Answers
Suggested answer: C, D

Question 238

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Which of the following statements regarding deploying IS-IS in an IPv6 environment is true?

A.
On a broadcast network, the IPv4 DIS priority and IPv6 DIS priority can be set, respectively.
A.
On a broadcast network, the IPv4 DIS priority and IPv6 DIS priority can be set, respectively.
Answers
B.
If the isis silent command is run on an IS-IS interface, the interface does not send but receives IS-IS packets.
B.
If the isis silent command is run on an IS-IS interface, the interface does not send but receives IS-IS packets.
Answers
C.
On a broadcast network, if each router supports both IPv4 and IPv6, the IPv4 DIS and IPv6 DIS must be the same device.
C.
On a broadcast network, if each router supports both IPv4 and IPv6, the IPv4 DIS and IPv6 DIS must be the same device.
Answers
D.
By default, the DIS priority of Level-1 and Level-2 broadcast interfaces is 1.
D.
By default, the DIS priority of Level-1 and Level-2 broadcast interfaces is 1.
Answers
Suggested answer: A

Question 239

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Which of the following statements regarding MP-BGP is false?

A.
The MP_UNREACH_NLRI attribute of Update packets does not contain path information
A.
The MP_UNREACH_NLRI attribute of Update packets does not contain path information
Answers
B.
MP_REACH_NLRI and MP_UNREACH_NLRI are optional transitive attributes
B.
MP_REACH_NLRI and MP_UNREACH_NLRI are optional transitive attributes
Answers
C.
The complete MP_REACH_NLRI attribute structure contains the address family, next hop, and prefix information
C.
The complete MP_REACH_NLRI attribute structure contains the address family, next hop, and prefix information
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D.
MP-BGP can be used to allocate labels
D.
MP-BGP can be used to allocate labels
Answers
Suggested answer: B

Question 240

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Which of the following statements regarding OSPFv3 LSAs are true?

A.
The Link State ID of an Inter-Area-Prefix-LSA contains prefix information
A.
The Link State ID of an Inter-Area-Prefix-LSA contains prefix information
Answers
B.
Router-LSAs and Network-LSAs do not contain routing information
B.
Router-LSAs and Network-LSAs do not contain routing information
Answers
C.
Inter-Area-Prefix-LSAs contain link-local information
C.
Inter-Area-Prefix-LSAs contain link-local information
Answers
D.
When the Referenced Link State Type of an Intra-Area-Prefix-LSA is 2, the Referenced Link State ID contains the interface ID of the DR
D.
When the Referenced Link State Type of an Intra-Area-Prefix-LSA is 2, the Referenced Link State ID contains the interface ID of the DR
Answers
Suggested answer: D
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