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Huawei H12-224 Practice Test - Questions Answers, Page 72

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As shown in the figure, when the link between SWC and LAND is faulty, through which path are TCA BPDUs sent?
What is the default priority of the device in a VRRP group?
Which statements about MUX VLAN are true? (Choose two.)
Which interface is connected to the user-side interface?
Configuring a firewall to work in transparent mode does not change the network topology.
According to OSI reference model, Layer 2 LAN switch operates at ( ).
Which of the following statements regarding the transit node in the MPLS forwarding process is correct?
Dividing a network using VLANs can (). (Choose two.)
If the customer requires high mobility and easy management, the staff of different departments can be added to different VLANs. In addition, these VLANs are located on different IP subnets. Which VLAN allocation mode can meet these requirements?
On the RSTP network with STP devices, which packets does an RSTP switch use to notify the STP switches of the topology change?

Question 711

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Which of the following statements regarding BGP route advertisement rules are true? (Choose three.)

A.
A BGP Speaker advertises all BGP routes to new peers immediately after they establish BGP connections.
A.
A BGP Speaker advertises all BGP routes to new peers immediately after they establish BGP connections.
Answers
B.
A BGP Speaker advertises all BGP routes to its peers.
B.
A BGP Speaker advertises all BGP routes to its peers.
Answers
C.
Generally, when multiple routes exist, a BGP Speaker adds only the optimal route into its routing table.
C.
Generally, when multiple routes exist, a BGP Speaker adds only the optimal route into its routing table.
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D.
A BGP Speaker advertises the routes learned from an EBGP peer to all BGP peers, including EBGP peers and IBGP peers.
D.
A BGP Speaker advertises the routes learned from an EBGP peer to all BGP peers, including EBGP peers and IBGP peers.
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Suggested answer: A, C, D

Question 712

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BGP routers establish peer relationships using UDP.

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

Question 713

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Which of the following statements regarding Local-Preference is true?

A.
Local-Preference is a well-known mandatory attribute.
A.
Local-Preference is a well-known mandatory attribute.
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B.
Local-Preference affects traffic that enters an AS.
B.
Local-Preference affects traffic that enters an AS.
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C.
Local-Preference can be transmitted between ASs.
C.
Local-Preference can be transmitted between ASs.
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D.
The default Local-Preference value is 100.
D.
The default Local-Preference value is 100.
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Suggested answer: D

Question 714

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Which of the following statements regarding AS_Path is false?

A.
AS_Path is a list of ASs that a BGP route passes through.
A.
AS_Path is a list of ASs that a BGP route passes through.
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B.
AS_Path is a very important well-known mandatory attribute in BGP.
B.
AS_Path is a very important well-known mandatory attribute in BGP.
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C.
BGP does not accept the routes whose AS_Path attribute contains the local AS number.
C.
BGP does not accept the routes whose AS_Path attribute contains the local AS number.
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D.
When a router has two or more routes to the same destination, the router compares the AS_Path attributes of these routes and prefers the route with the longer AS_Path attribute.
D.
When a router has two or more routes to the same destination, the router compares the AS_Path attributes of these routes and prefers the route with the longer AS_Path attribute.
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Suggested answer: D

Question 715

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BGP is an interdomain routing protocol. Which of the following statements regarding BGP are true? (Choose two.)

A.
BGP uses a reliable transport protocol.
A.
BGP uses a reliable transport protocol.
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B.
BGP supports automatic neighbor discovery.
B.
BGP supports automatic neighbor discovery.
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C.
BGP supports plaintext authentication.
C.
BGP supports plaintext authentication.
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D.
BGP supports rich routing policies.
D.
BGP supports rich routing policies.
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Suggested answer: A, D

Question 716

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Which of the following statements regarding PIM-DM is false?

A.
PIM-DM stands for Protocol Independent Multicast-Dense Mode. It is a dense-mode multicast routing protocol.
A.
PIM-DM stands for Protocol Independent Multicast-Dense Mode. It is a dense-mode multicast routing protocol.
Answers
B.
PIM-DM assumes that each subnet on a network has at least one receiver station interested in the multicast source.
B.
PIM-DM assumes that each subnet on a network has at least one receiver station interested in the multicast source.
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C.
PIM-DM uses the graft mechanism to restore multicast packet forwarding proactively.
C.
PIM-DM uses the graft mechanism to restore multicast packet forwarding proactively.
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D.
PIM-DM does not have periodic flood-prune processes.
D.
PIM-DM does not have periodic flood-prune processes.
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Suggested answer: D

Question 717

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Which of the following protocols support the any-source multicast (ASM) model? (Choose two.)

A.
PIM-SM and IGMPv2
A.
PIM-SM and IGMPv2
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B.
PIM-SSM and IGMPv3
B.
PIM-SSM and IGMPv3
Answers
C.
MBGP and MSDP
C.
MBGP and MSDP
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D.
PIM-DM and IGMPv2
D.
PIM-DM and IGMPv2
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Suggested answer: B, C

Question 718

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Which of the following statements regarding routing policies is true?

A.
Routing policies control packet forwarding based on destination addresses in the routing table.
A.
Routing policies control packet forwarding based on destination addresses in the routing table.
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B.
Routing policies are based on the forwarding plane and serve forwarding policies.
B.
Routing policies are based on the forwarding plane and serve forwarding policies.
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C.
A routing policy needs to be manually configured hop by hop to ensure that packets are forwarded according to the policy.
C.
A routing policy needs to be manually configured hop by hop to ensure that packets are forwarded according to the policy.
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D.
A routing policy is configured using the policy-based route command.
D.
A routing policy is configured using the policy-based route command.
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Suggested answer: D

Question 719

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If one routing protocol only needs to import part of the routing information of another routing protocol and set attributes of the imported routes, only the route-policy can meet this requirement.

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

Question 720

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Which of the following statements regarding join member interfaces are false when link aggregation works in manual mode?

A.
An Eth-Trunk cannot be nestled, and a member interface cannot be an Eth-Trunk.
A.
An Eth-Trunk cannot be nestled, and a member interface cannot be an Eth-Trunk.
Answers
B.
An Ethernet interface can join only one Eth-Trunk. Before adding an Ethernet interface to an Eth-Trunk, ensure that the Ethernet interface does not belong to any other Eth-Trunk.
B.
An Ethernet interface can join only one Eth-Trunk. Before adding an Ethernet interface to an Eth-Trunk, ensure that the Ethernet interface does not belong to any other Eth-Trunk.
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C.
If the local device uses the Eth-Trunk, the remote interface directly connected to the member interface must join the Eth-Trunk so that both ends can communicate.
C.
If the local device uses the Eth-Trunk, the remote interface directly connected to the member interface must join the Eth-Trunk so that both ends can communicate.
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D.
An Eth-Trunk can work in Layer 2 or Layer 3 mode. The two working modes can be identified automatically and do not need to be switched manually.
D.
An Eth-Trunk can work in Layer 2 or Layer 3 mode. The two working modes can be identified automatically and do not need to be switched manually.
Answers
Suggested answer: D
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