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Huawei H12-224 Practice Test - Questions Answers, Page 62

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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 statements about QinQ are true? (Choose two.)
Which interface is connected to the user-side interface?
Dividing a network using VLANs can (). (Choose two.)
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?
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?

Question 611

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Which of the following problems can be solved by IGMP Snooping?

A.
Receiver hosts support only IGMPv2 but the SSM model is used on the network.
A.
Receiver hosts support only IGMPv2 but the SSM model is used on the network.
Answers
B.
A large number of receiver hosts exist on the network and a router receives large quantities of IGMP Report messages.
B.
A large number of receiver hosts exist on the network and a router receives large quantities of IGMP Report messages.
Answers
C.
Multicast data packets are broadcast on Layer 2 devices.
C.
Multicast data packets are broadcast on Layer 2 devices.
Answers
D.
Validity of IGMP Report messages.
D.
Validity of IGMP Report messages.
Answers
Suggested answer: C

Question 612

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What are the advantages of subnetting? (Choose two.)

A.
Isolating broadcast traffic
A.
Isolating broadcast traffic
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B.
Improving network Q0S
B.
Improving network Q0S
Answers
C.
Increasing the IP address usage
C.
Increasing the IP address usage
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D.
Improving network reliability
D.
Improving network reliability
Answers
Suggested answer: A, C

Question 613

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Which type of BGP route can be added to the BGP routing table?

A.
All BGP routes learned from peers
A.
All BGP routes learned from peers
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B.
Only the routes learned from IBGP peers
B.
Only the routes learned from IBGP peers
Answers
C.
Only the routes learned from EBGP peers
C.
Only the routes learned from EBGP peers
Answers
D.
Only optimal routes
D.
Only optimal routes
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Suggested answer: A

Question 614

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On a STP network, which of the following BPDUs are sent during flooding of information throughout the network due to STP topology change?

A.
BPDUs with the TCN flag
A.
BPDUs with the TCN flag
Answers
B.
BPDUs with the TCA flag
B.
BPDUs with the TCA flag
Answers
C.
BPDUs with the TC flag
C.
BPDUs with the TC flag
Answers
D.
All of the above
D.
All of the above
Answers
Suggested answer: D

Question 615

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Which of the following multicast protocols can generate multicast distribution trees?

A.
MBGP
A.
MBGP
Answers
B.
MSDP
B.
MSDP
Answers
C.
IGMP
C.
IGMP
Answers
D.
PIM
D.
PIM
Answers
Suggested answer: D

Question 616

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When an edge port is in the protected state on an RSTP network, which of the following operations is performed by the edge port immediately after receiving

BPDUs?

A.
The edge port forwards BPDUs.
A.
The edge port forwards BPDUs.
Answers
B.
The edge port discards BPDUs.
B.
The edge port discards BPDUs.
Answers
C.
The edge port is shut down.
C.
The edge port is shut down.
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D.
The edge port obtains required information from BPDUs.
D.
The edge port obtains required information from BPDUs.
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Suggested answer: C

Question 617

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Which of the following statements about DR are true? (Choose three.)

A.
In DR election, among the routers of the same DR priority, the router with the lowest IP address is elected.
A.
In DR election, among the routers of the same DR priority, the router with the lowest IP address is elected.
Answers
B.
A source's DR is responsible for sending Register messages to an RP.
B.
A source's DR is responsible for sending Register messages to an RP.
Answers
C.
A receiver's DR is responsible for sending Join messages to a multicast source or an RP.
C.
A receiver's DR is responsible for sending Join messages to a multicast source or an RP.
Answers
D.
An Assert winner on a shared network segment may not be a DR.
D.
An Assert winner on a shared network segment may not be a DR.
Answers
Suggested answer: B, C, D

Question 618

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How many multicast IP addresses can be represented by an IP multicast MAC address?

A.
1
A.
1
Answers
B.
23
B.
23
Answers
C.
32
C.
32
Answers
D.
24
D.
24
Answers
Suggested answer: C

Question 619

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A VLAN can be regarded as a ( )

A.
collision domain
A.
collision domain
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B.
broadcast domain
B.
broadcast domain
Answers
C.
management domain
C.
management domain
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D.
congestion domain
D.
congestion domain
Answers
Suggested answer: B

Question 620

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For label switched packets that contain the same source and destination address and are transmitted via the same interface, the label switch path 0

A.
Must be different.
A.
Must be different.
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B.
Must be the same.
B.
Must be the same.
Answers
C.
May be the same.
C.
May be the same.
Answers
Suggested answer: B
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