Huawei H31-611 Online Practice Questions and Exam Preparation

Huawei H31-611 Online Questions & Answers

• Question 1:

  On an SDN network, OpenFlow connection backup data mainly includes which of the following? (Choose all that apply.)

  A. Collected forwarder interface information
  B. Binding relationship between the logical interface of the controller and the forwarder's physical interface
  C. Connection management information of the forwarder
  D. Collected forwarder VLAN information
  A. Collected forwarder interface information
  B. Binding relationship between the logical interface of the controller and the forwarder's physical interface
  C. Connection management information of the forwarder

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  Reference: https://actfornet.com/HUAWEI_SWITCH_DOCS/All_Docs/HUAWEI%20CloudEngine%20Series%20Switches%20VXLAN%20Technical%20White%20Paper.pdf (11)

• Question 2:

  Which of the following statements is true about proxy ARP?

  A. Proxy ARP allows a gateway directly connected to the host to use its own MAC address to reply to ARP requests in place of destination host.
  B. Proxy ARP allows a gateway directly connected to the host to help the destination host to transmit ARP packets across VLANs.
  C. Proxy ARP is used for communication within a VLAN.
  D. Proxy ARP means to buy the permission to use ARP packets from a proxy.
  A. Proxy ARP allows a gateway directly connected to the host to use its own MAC address to reply to ARP requests in place of destination host.

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  Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000166635/620f63f3/proxy-arp

• Question 3:

  Which of the following statements are true about the comparison between OSPF and IS-IS? (Choose all that apply.)

  A. OSPF runs on the IP layer, and IS-IS runs on the data link layer.
  B. For IS-IS, a router belongs to multiple areas, but in OSPF, a router can belong to only one area.
  C. DIS election in IS-IS is simple, preemptive, and can be predicted. DR election in OSPF is unpredictable and non-preemptive.
  D. OSPF supports P2P/P2MP/NBMA/broadcast networks. IS-IS supports only P2P and broadcast networks.
  A. OSPF runs on the IP layer, and IS-IS runs on the data link layer.
  B. For IS-IS, a router belongs to multiple areas, but in OSPF, a router can belong to only one area.

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  Reference: https://learningnetwork.cisco.com/thread/123472

• Question 4:

  Which of the following statements are true about the meaning of the peer 20.1.1.2 allow-as-loop 2 command? (Choose all that apply.)

  A. The local AS number can be repeated in the AS_Path attribute in the received routes.
  B. 2 indicates the number of times the AS number can be repeated.
  C. This command can only be used on EBGP peers.
  D. By default, the number of times the AS number is allowed to be duplicated is 1.
  B. 2 indicates the number of times the AS number can be repeated.
  D. By default, the number of times the AS number is allowed to be duplicated is 1.

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  Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100008283/14418f9d/peer-allow-as-loop

• Question 5:

  Which of the following statements about NetStream logs are true? (Choose all that apply.)

  A. NetStream logs have V5, V8, and V9 formats. The difference between V5 and V9 is that V5 is fixed and does not support traffic aggregation, whereas V9 supports traffic aggregation and data format customization.
  B. NetStream packets use UDP encapsulation and unlike SFlow, NetStream does not support traffic sampling.
  C. A field within NetStream packets can distinguish whether traffic is inbound or outbound.
  D. The start time of a NetStream flow is the time that elapses between January 1, 1970 at 00:00:00 to the moment the flow is created and expressed in seconds.
  B. NetStream packets use UDP encapsulation and unlike SFlow, NetStream does not support traffic sampling.
  C. A field within NetStream packets can distinguish whether traffic is inbound or outbound.

• Question 6:

  In the SDN architecture, which of the following protocols is used for communication between the control layer and application layer?

  A. OpenFlow
  B. NETCONF
  C. RESTful
  D. NetStream
  A. OpenFlow

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  Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000150290/8d15e063/overview-of-openflow

• Question 7:

  Which of the following factors does not affect the performance of the SDN network?

  A. Network congestion
  B. Routing loop
  C. Access loop
  D. Access control list
  E. Non-optional route
  D. Access control list

• Question 8:

  During SDN network fault locating, which of the following commands can be used to collect basic runtime information for datacom devices?

  A. display version
  B. display diagnostic-information
  C. display log
  D. display current-configuration
  B. display diagnostic-information

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  Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000060368/1f5e57ad/display-commands

• Question 9:

  NetStream is implemented by NE software. When the traffic is heavy, device performance may be affected.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 10:

  The OpenStack architecture comprises which of the following components? (Choose all that apply.)

  A. Nova
  B. Neutron
  C. Cinder
  D. NetMatrix
  A. Nova
  B. Neutron
  C. Cinder