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Huawei H12-224 Practice Test - Questions Answers, Page 22

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List of questions

Question 211

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Which of the following authentication modes does VRRP use? (Choose three.)

Question 212

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Which of the following addresses is the destination address of VRRP packets?

Question 213

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A BFD session is set up following the three-way handshake during which parameters for the BFD session are negotiated. After the BFD session is set up, modifying the detection time parameters does no

Question 214

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

Question 215

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Which of the following statements are correct regarding Master in VRRP? (Choose two.)

Question 216

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Assume that there are four flows a, b, c, and d, the transmission rate of each flow is 50 Mbit/s, and the total bandwidth of the interface for flow transmission is 100 Mbit/s. In the case of congest

Question 217

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Which of the following are factors that affect QoS? (Choose three.)

Question 218

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Which of the following statements are correct regarding MAC address of VRRP packet? (Choose two.)

Question 219

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Which of the following statements about the refreshing mechanism in the case of link switchover in a Smart Link group is false?

Question 220

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Assume that the WRED policy for packets with the priority of AF21 is that the length of the queue for saving packets ranges from 35 to 40, and the discarding percentage is 50%. When a packet with th

Question 211

Which of the following authentication modes does VRRP use? (Choose three.)

No authentication

Simple text password

MD5

CHAP

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Question 212

Which of the following addresses is the destination address of VRRP packets?

224.0.0.18

224.0.0.19

224.0.1.18

224.0.1.19

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A BFD session is set up following the three-way handshake during which parameters for the BFD session are negotiated. After the BFD session is set up, modifying the detection time parameters does not take effect.

True

False

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Question 214

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

Is used to limit the traffic transmission rate.

Is used to color packets.

Caches packets whose transmission rate exceeds the limit.

Re-marks packets with priorities.

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Question 215

Which of the following statements are correct regarding Master in VRRP? (Choose two.)

The router with highest priority will become Master.

The router with smallest priority will become Slave.

The router with highest priority may not always be Master.

The router with smallest priority may not always be Slave.

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Question 216

Assume that there are four flows a, b, c, and d, the transmission rate of each flow is 50 Mbit/s, and the total bandwidth of the interface for flow transmission is 100 Mbit/s. In the case of congestion, WFQ is available for flows a, b, c, and d, with the weight proportion being 1:2:3:4. Which of the following statement about the interface bandwidth allocated to each flow is true?

Interface bandwidths allocated to flows a, b, c, and d are 10 Mbit/s, 20 Mbit/s, 30 Mbit/s, and 40 Mbit/s respectively.

Interface bandwidths allocated to flows a, b, c, and d are 50 Mbit/s, 50 Mbit/s, 0 Mbit/s, and 0 Mbit/s respectively.

Interface bandwidths allocated to flows a, b, c, and d are 40 Mbit/s, 30 Mbit/s, 20 Mbit/s, and 10 Mbit/s respectively.

Flows a, b, c, and d are discarded.

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Question 217

Which of the following are factors that affect QoS? (Choose three.)

Bandwidth

Cost

Jitter

Loss of packet

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Question 218

Which of the following statements are correct regarding MAC address of VRRP packet? (Choose two.)

The destination MAC is broadcast MAC address.

The destination MAC is multicast MAC address.

The source address is virtual MAC address.

The source address is physical MAC address of Master.

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Question 219

Which of the following statements about the refreshing mechanism in the case of link switchover in a Smart Link group is false?

MAC and ARP entries are refreshed automatically against traffic.

The Smart Link group uses a new link to send Flush packets.

When the active link recovers from a fault, Flush packets are sent to refresh entries.

When recovering from a fault, the active link remains blocked and traffic is not switched back to it. In this way, traffic keeps stable.

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Question 220

Assume that the WRED policy for packets with the priority of AF21 is that the length of the queue for saving packets ranges from 35 to 40, and the discarding percentage is 50%. When a packet with the priority being AF21 arrives, which of the following statements are true? (Choose three.)

If the average length of the queue is smaller than 35, the packet is added to the queue.

If the length of the queue ranges between 35 and 40, the packet may be discarded with a possibility of 50%.

If the average length of the queue is greater than 40, the packet is added to the queue.

If the average length of the queue is greater than 40, the packet is discarded.

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Total 803 questions