Huawei Huawei Certifications H31-611 Questions & Answers

• Question 1:

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

  A. The V5 format does not support traffic aggregation, putting processing pressure on the NSC and NDA.

  B. The V8 format supports traffic aggregation, but can output only aggregated IPv4 traffic data.

  C. The V8 format is based on templates and can output both IPv4 and IPv6 traffic data.

  D. The V9 format can output IPv4, IPv6 and MPLS traffic data.

  Correct Answer: AD

  Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000088753?section=j00e

• Question 2:

  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.

  Correct Answer: BC

• Question 3:

  Which of the following are parts of the SNMP network management model? (Choose all that apply.)

  A. NMS

  B. Agent

  C. SOA

  D. MIB

  Correct Answer: ABD

• Question 4:

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

  A. TRUE

  B. FALSE

  Correct Answer: B

• Question 5:

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

  A. When using the V5 format, NetStream can export data packets before traffic aggregation.

  B. When using the V5 format, NetStream can export data packets after traffic aggregation.

  C. When using the V8 format, NetStream can export data packets before traffic aggregation.

  D. When using the V8 format, NetStream can export data packets after traffic aggregation.

  Correct Answer: BC

  Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000088753?section=j00e

• Question 6:

  IN SNMP, managed devices use which of the following messages to actively send alarms to the NMS?

  A. Trap

  B. Inform

  C. Get

  D. Set

  Correct Answer: A

  Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100055109/1a93c76d/configuring-adevice-to-communicate-with-an-nms-using-snmpv2c

• Question 7:

  Which of the following network entities can send SNMP GetRequest packets?

  A. Agent

  B. Client

  C. NMS

  Correct Answer: C

  Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100086963

• Question 8:

  Which of the following statements about SNMP are not true? (Choose all that apply.)

  A. SNMP is an application layer protocol that requires reliable TCP at the transport layer to provide services.

  B. SNMP is used to manage information transmitted between the two points, making it easy for administrators to preform operations.

  C. SNMP uses the client/server model.

  D. There are three SNMP protocol versions. Currently, only SNMPv3 supports community name-based security mechanisms.

  Correct Answer: BC

  Reference: https://www.auvik.com/franklymsp/blog/network-basics-what-is-snmp/

• Question 9:

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

  A. NETCONF provides a protection locking mechanism to prevent operations performed by multiple users from conflicting with each other.

  B. NETCONF can query one or multiple records in a table and requires multiple interactions during this process.

  C. NETCONF uses XML coding for system compatibility and extensibility.

  D. NETCONF uses existing security protocols to ensure network security, and is not bound to any specific security protocols.

  Correct Answer: BC

  Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000043093? section=j006#dc_fd_netconf_0007

• Question 10:

  Which of the following statements are true about OpenFlow interface information reporting? (Choose all that apply.)

  A. After the OpenFlow channel is successfully established, the controller actively queries port information from FPs.

  B. The controller sends Multipart Request messages to query port information.

  C. FPs respond with a Multipart Reply message for batch delivery of port information.

  D. When a port changes, the corresponding FP actively sends a Flow Mod message to report the port change information.

  Correct Answer: AB

  Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000102491?section=k007