Huawei H31-124 Online Practice Questions and Exam Preparation

Huawei H31-124 Online Questions & Answers

• Question 31:

  VXLAN uses MAC in UDP encapsulation to extend Layer 2 networks and encapsulates Ethernet packets on IP packets. When packets are transmitted on a touted network, the intermediate touting device does not need to learn inner MAC addresses.

  A. True
  B. False
  B. False

• Question 32:

  Is the following statement correct or incorrect? Because a bypass tunnel Is manually created during TE FRR configuration, the constraint shortest path first (CSPF) does not need to be enabled.

  A. True
  B. False
  B. False

• Question 33:

  Which of the following statements regarding multicast MAC address is correct?

  A. The first six hexadecimal value of the multicast Mac address is 0x01005e.
  B. Multicast MAC address is composed of 23 bits.
  C. The range of multicast MAC address is assigned by IEEE.
  D. On Ethernet, 28-bits of layer 3 multicast IP address are mapped into the 24-bits of the layer 2 multicast MAC address.
  B. Multicast MAC address is composed of 23 bits.

• Question 34:

  Affinity attributes is link attributes in MPLS TE, it is configured under physical interface.

  A. True
  B. False
  A. True

• Question 35:

  When configuring Diff-Serv in QoS, the edge router on Diff-Serv network classify packets according to its source address, destination address or other parameters, assigning different IP precedence for different packets, while other routers classify packets according to IP precedence.

  A. True
  B. False
  B. False

• Question 36:

  Which of the following statements regarding DIS election is correct?

  A. When the priority is the same, the router with higher IP address will be elected as the DIS.
  B. When a DIS fails, the backup DIS will take over.
  C. The IS-IS router with the highest priority in the whole broadcast network will be elected as the DIS.
  D. DIS election is configured manually.
  A. When the priority is the same, the router with higher IP address will be elected as the DIS.
  B. When a DIS fails, the backup DIS will take over.
  C. The IS-IS router with the highest priority in the whole broadcast network will be elected as the DIS.

• Question 37:

  Which of the following statements regarding the description of LDP is incorrect?

  A. Between two LSRs that run LDP, the LDP session is established and Label/FEC mapping information is exchanged.
  B. In MPLS, LDP is used to implement label distribution, label control and label retention.
  C. The two routers between which LDP session is established are called LDP Peer.
  D. The UDP and TCP port number for LDP is 64.
  A. Between two LSRs that run LDP, the LDP session is established and Label/FEC mapping information is exchanged.
  B. In MPLS, LDP is used to implement label distribution, label control and label retention.
  C. The two routers between which LDP session is established are called LDP Peer.

• Question 38:

  Which of the BGP attributes is Optional transitive attribute?

  A. AS_PATH
  B. MED
  C. NEXT_HOP
  D. ORIGIN
  E. LOCAL_PREF
  F. COMMUNITY
  F. COMMUNITY

• Question 39:

  Which of the following statements regarding Attachment Bit are correct?

  A. After the Level! router receives Level-1 LSP with Attachment bit set to 1, it will generates default route with the nearest Level-1-2 router as the next hop.
  B. The Attachment Bit can be generated by the Level-2 or Level-1-2 router.
  C. The Attachment Bit can be generated in Level-2 LSP.
  D. The Attachment Bit is carried In Level-1 LSP generated by Level-1-2 router connected to another area.
  A. After the Level! router receives Level-1 LSP with Attachment bit set to 1, it will generates default route with the nearest Level-1-2 router as the next hop.

• Question 40:

  Which of the following are the functions of route redistribution?

  A. Import routes from RIP into OSPF
  B. Eliminate route loops
  C. Import static route into dynamic routing protocols
  D. Share routing information found by different routing protocols
  A. Import routes from RIP into OSPF
  C. Import static route into dynamic routing protocols
  D. Share routing information found by different routing protocols