Huawei H31-211 Online Practice Questions and Exam Preparation

Huawei H31-211 Online Questions & Answers

• Question 121:

  Which commands can be used to view the configuration information of interface Serial 1/0/1? (multiple choice)

  A. [Quidway] display current-configuration
  B. [Quidway-Serial1/0/1] display this
  C. [Quidway] view saved-configuration
  D. [Quidway] show current-configuration
  A. [Quidway] display current-configuration
  B. [Quidway-Serial1/0/1] display this

• Question 122:

  Regarding the trunk port, what are the correct descriptions below? (multiple choice)

  A. When the trunk port receives the frame, if the frame does not contain the 802.1Q tag header, the PVID of the port will be marked.
  B. When the trunk port receives the frame, if the frame contains the 802.1Q tag header, it does not change.
  C. When a trunk port sends a frame, when the VLAN ID of the frame is different from the PVID of the port, direct transmission is transparent.
  D. When a trunk port sends a frame, when the VLAN ID of the frame is the same as the PVID of the port, the tag operation is not performed.
  A. When the trunk port receives the frame, if the frame does not contain the 802.1Q tag header, the PVID of the port will be marked.
  B. When the trunk port receives the frame, if the frame contains the 802.1Q tag header, it does not change.
  C. When a trunk port sends a frame, when the VLAN ID of the frame is different from the PVID of the port, direct transmission is transparent.

• Question 123:

  Which of the following are the ways of flow control? (multiple choice)

  A. Acknowledgement technology
  B. Buffering technology
  C. Source quench messages (source quench messages)
  D. Window mechanism (windowing)
  B. Buffering technology
  C. Source quench messages (source quench messages)
  D. Window mechanism (windowing)

• Question 124:

  It consists of glass fiber and shielding layer, is not affected by electromagnetic signals, has high transmission rate and long transmission distance. But it is expensive. What is this physical medium?

  A. Same transmission cable
  B. Twisted pair
  C. Fiber
  D. Waveguide fiber
  C. Fiber

• Question 125:

  When the network topology changes, if the best path to the destination IP is no longer available, the dynamic routing protocol can adapt to the network change and determine the best path to the destination IP.

  A. True
  B. False
  A. True

• Question 126:

  Which of the following technologies can save the number of IP addresses?

  A. NAT
  B. DNS
  C. CIDR
  D. VLSM
  A. NAT

• Question 127:

  The following is true about the routing self-loop description in an OSPF network?

  A. Route self-loop has been eliminated in the OSPF area;
  B. There is no route self-loop between OSPF areas.
  C. The routing self-loop is not eliminated in the OSPF autonomous system.
  D. There is no self-loop in the external route of the OSPF autonomous system.
  A. Route self-loop has been eliminated in the OSPF area;

• Question 128:

  Which of the following selections of objects in the top indicates that Ethernet has entered a mature stage of development?

  A. Twisted pair
  B. Coaxial electric shaft
  C. Single mode fiber
  D. Multimode fiber
  A. Twisted pair

• Question 129:

  After the data is transmitted over the network, the receiving device deletes the added information and decides how to upload the data along the protocol stack to the appropriate application according to the information in the header. This process is called decapsulation.

  A. True
  B. False
  A. True

• Question 130:

  Which of the following port numbers can the FTP server use to listen for FTP client connections by default?

  A. 21
  B. 23
  C. 25
  D. 53
  A. 21