Huawei H12-222 Online Practice Questions and Exam Preparation

Huawei H12-222 Online Questions & Answers

• Question 191:

  To provide differentiated services for different users, users or services are classified based on packet information such as the packet priority, source IP address, and port number. Which QoS technologies are often used to implement classification?

  A. Traffic policing
  B. Complex traffic classification
  C. Congestion avoidance
  D. Congestion management
  B. Complex traffic classification

• Question 192:

  For data with the AF DSCP flag, guaranteed bandwidth should be given. If some bandwidth is free, extra bandwidth cannot be occupied by such data;

  A. TRUE
  B. FALSE
  B. FALSE

• Question 193:

  VXLAN users can access the Internet through VXLAN interfaces.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 194:

  Which of the following statements regarding the delay and jitter are true? (Multiple Choice)

  A. The E2E delay is the sum of processing delays and queue delays.
  B. The jitter occurs because the E2E delays of each packet are different.
  C. The jitter is relevant to the delay, A small delay indicates a small jitter, A large delay indicates a large jitter.
  B. The jitter occurs because the E2E delays of each packet are different.
  C. The jitter is relevant to the delay, A small delay indicates a small jitter, A large delay indicates a large jitter.

• Question 195:

  What about all outgoing labels in the label forwarding table of a MPLS-capable device for the same route with the same next hop?

  A. They must be different.
  B. They must be the same.
  C. They may be the same.
  B. They must be the same.

• Question 196:

  LDP has two different mechanisms for discovering peers. Which of the following statements are true? (Multiple Choice)

  A. The two mechanisms are basic discovery mechanism and extended discovery mechanism.
  B. The basic discovery mechanism periodically sends Hello messages to discover LDP peers.
  C. The basic discovery mechanism is used to discover directly-connected LSR peers on a link.
  D. The extended discovery mechanism periodically sends Hello messages to specified addresses to discover LDP peers.
  E. The extended discovery mechanism is used to discover indirectly-connected LSR peers on a link.
  A. The two mechanisms are basic discovery mechanism and extended discovery mechanism.
  B. The basic discovery mechanism periodically sends Hello messages to discover LDP peers.
  C. The basic discovery mechanism is used to discover directly-connected LSR peers on a link.
  E. The extended discovery mechanism is used to discover indirectly-connected LSR peers on a link.

• Question 197:

  The WRED drop profile defines the following parameters for AF21 traffic: the lower drop threshold is 35, the upper drop threshold is 40, and the maximum drop probability is 50%. Which of the following statements regarding the processing result of AF21 traffic are false? (Multiple Choice)

  A. When the average length of packets in the queue is smaller than 35, packets are discarded.
  B. When the average length of packets in the queue is larger than 35 and smaller than 40, the drop probability of packet is 50%.
  C. When the average length of packets in the queue is larger than 40, packets enter the queue.
  D. When the average length of packets in the queue is larger than 40, packets are discarded.
  A. When the average length of packets in the queue is smaller than 35, packets are discarded.
  C. When the average length of packets in the queue is larger than 40, packets enter the queue.

• Question 198:

  The traditional tail drop method is used for packet loss, which causes global TCP synchronization.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 199:

  A DHCP server provides different address allocation modes to meet various application requirements. Which address allocation mode can be used to allocate an IP address to a host requiring temporary network access or allocate a group of limited IP addresses that can be shared by a group of temporary hosts?

  A. Automatic allocation
  B. Dynamic allocation
  C. Manual allocation
  D. Manual or dynamic allocation
  B. Dynamic allocation

• Question 200:

  The following figure shows a network running MPLS and LDP session information displayed on SWA. Which of the following statements is false? (Multiple Choice)

  

  A. In 2.2.2.2:0, 2.2.2.2 indicates the LSR ID of the neighbor.
  B. In 2.2.2.2:0, 0 indicates the global label space.
  C. The value Operational indicates that the LDP process is running and the LDP session has not been set up.
  D. The value Passive indicates that SWA is the responder.
  E. The value Passive indicates that SWB is the responder.
  A. In 2.2.2.2:0, 2.2.2.2 indicates the LSR ID of the neighbor.