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Huawei H12-224 Practice Test - Questions Answers, Page 28

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The reliability of a product or a system is generally evaluated with the two indicators of Mean Time to Repair (MTTR) and Mean Time Between Failures (MTBF).

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

During the GR of dynamic routing protocols (such as OSPF and BGP) neighbor relationships remain unchanged.

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

Complex traffic classification matches packets with rules and then takes actions to matching packets.

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

Which of the following technologies are available for traffic shaping? (Choose two.)

A.
GTS
A.
GTS
Answers
B.
LR
B.
LR
Answers
C.
CAR
C.
CAR
Answers
D.
WRED
D.
WRED
Answers
Suggested answer: A, B

Traffic shaping uses queues to cache traffic whose transmission rate exceeds the limit. Which of the following statement about traffic shaping is not true?

A.
Compared with traffic policing, traffic shaping is advanced in terms of caching burst traffic.
A.
Compared with traffic policing, traffic shaping is advanced in terms of caching burst traffic.
Answers
B.
With traffic shaping, packets can be transmitted at an even rate.
B.
With traffic shaping, packets can be transmitted at an even rate.
Answers
C.
Caching packets in the queue increases the packet delay in case of congestion.
C.
Caching packets in the queue increases the packet delay in case of congestion.
Answers
D.
In case of congestion, traffic shaping causes the packet loss ratio to increase.
D.
In case of congestion, traffic shaping causes the packet loss ratio to increase.
Answers
Suggested answer: D

Which of the following statements are correct regarding VRRP?

A.
Only Master can process the data packets sending to virtual router.
A.
Only Master can process the data packets sending to virtual router.
Answers
B.
Only Slave can process the data packets sending to virtual router.
B.
Only Slave can process the data packets sending to virtual router.
Answers
C.
Both Master and Slave can process the data packets sending to the same virtual router to realize load balance.
C.
Both Master and Slave can process the data packets sending to the same virtual router to realize load balance.
Answers
D.
By default, only Master can process the data packets sending to virtual router; but we can do some configuration to make the Slave process the data packets sending to virtual router.
D.
By default, only Master can process the data packets sending to virtual router; but we can do some configuration to make the Slave process the data packets sending to virtual router.
Answers
Suggested answer: A

Which of the following statement about QoS in DiffServ mode is false?

A.
The parameter field in the IP packet header informs devices on the network of the QoS requirements of the application.
A.
The parameter field in the IP packet header informs devices on the network of the QoS requirements of the application.
Answers
B.
Every device on the packet transmission paths can learn the service request types by analyzing the IP packet header.
B.
Every device on the packet transmission paths can learn the service request types by analyzing the IP packet header.
Answers
C.
Before sending packets, the application program needs to confirm that the network has reserved resources for packet transmission.
C.
Before sending packets, the application program needs to confirm that the network has reserved resources for packet transmission.
Answers
D.
DiffServ is a QoS solution based on packets.
D.
DiffServ is a QoS solution based on packets.
Answers
Suggested answer: C

In addition to traffic rate limit, the CAR can mark packets with colors. If one token bucket & one-rate is used in traffic policing and the number of tokens is insufficient, packets are marked with which of the following color?

A.
Red
A.
Red
Answers
B.
Green
B.
Green
Answers
C.
Yellow
C.
Yellow
Answers
D.
Blue
D.
Blue
Answers
Suggested answer: A

BFD is a common fast detection technology. It implements the fast switchover function only when collaborating with other fast switchover technologies.

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

Which of the following statement about packet marking is false?

A.
TheQosInfo field of the packet can be marked.
A.
TheQosInfo field of the packet can be marked.
Answers
B.
The DSCP and IP precedence fields of the IP packet can be marked.
B.
The DSCP and IP precedence fields of the IP packet can be marked.
Answers
C.
The 802.1p field of the VLAN packet can be marked.
C.
The 802.1p field of the VLAN packet can be marked.
Answers
D.
The IP address of the packet can be marked.
D.
The IP address of the packet can be marked.
Answers
Suggested answer: D
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