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Home Huawei H12-224

Huawei H12-224 Exam Practice Questions (P. 2)

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Question #11
Which of the following statements about the master router in a VRRP backup group are true? (Choose three.)
  1. A
    It regularly sends VRRP packets.
  2. B
    It uses a virtual MAC address to respond to ARP requests sent from a virtual IP address.
  3. C
    It forwards an IP packet whose destination MAC address is a physical MAC address.
  4. D
    It changes to the Backup state if the priority carried in the received packet is greater than its own priority.

Correct Answer:
ABD

Question #12
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).
  1. A
    True
  2. B
    False

Correct Answer:
A

Question #13
During the GR of dynamic routing protocols (such as OSPF and BGP) neighbor relationships remain unchanged.
  1. A
    True
  2. B
    False

Correct Answer:
B

Question #14
Complex traffic classification matches packets with rules and then takes actions to matching packets.
  1. A
    True
  2. B
    False

Correct Answer:
A

Question #15
Which of the following technologies are available for traffic shaping? (Choose two.)
  1. A
    GTS
  2. B
    LR
  3. C
    CAR
  4. D
    WRED

Correct Answer:
AB

Question #16
Traffic shaping uses queues to cache traffic whose transmission rate exceeds the limit.
Which of the following statement about traffic shaping is not true?
  1. A
    Compared with traffic policing, traffic shaping is advanced in terms of caching burst traffic.
  2. B
    With traffic shaping, packets can be transmitted at an even rate.
  3. C
    Caching packets in the queue increases the packet delay in case of congestion.
  4. D
    In case of congestion, traffic shaping causes the packet loss ratio to increase.

Correct Answer:
D

Question #17
Which of the following statements are correct regarding VRRP?
  1. A
    Only Master can process the data packets sending to virtual router.
  2. B
    Only Slave can process the data packets sending to virtual router.
  3. C
    Both Master and Slave can process the data packets sending to the same virtual router to realize load balance.
  4. 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.

Correct Answer:
A

Question #18
Which of the following statement about QoS in DiffServ mode is false?
  1. A
    The parameter field in the IP packet header informs devices on the network of the QoS requirements of the application.
  2. B
    Every device on the packet transmission paths can learn the service request types by analyzing the IP packet header.
  3. C
    Before sending packets, the application program needs to confirm that the network has reserved resources for packet transmission.
  4. D
    DiffServ is a QoS solution based on packets.

Correct Answer:
C

Question #19
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?
  1. A
    Red
  2. B
    Green
  3. C
    Yellow
  4. D
    Blue

Correct Answer:
A

Question #20
BFD is a common fast detection technology. It implements the fast switchover function only when collaborating with other fast switchover technologies.
  1. A
    True
  2. B
    False

Correct Answer:
A

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