Online Access Free H31-611 Exam Questions

The OpenFlow protocol in SDN architecture is led and actively promoted by the IETF.

• A.TRUE
• B.FALSE

In the SDN VXLAN solution, when an OpenFlow connection between the controller and a forwarder is torn
down, the forwarder retains the static MAC address and ARP entries so that traffic can be normally forwarded.

• A.TRUE
• B.FALSE

Which of the following statements are true about OpenFlow interface information reporting? (Multiple
Choice)

• A.The controller sends Multipart Request messages to query port information.
• B.When a port changes, the corresponding FP actively sends a Flow Mod message to report the port
  change information.
• C.FPs respond with a Multipart Reply message for batch delivery of port information.
• D.After the OpenFlow channel is successfully established, the controller actively queries port information
  from FPs.

Which of the following statements are true about NetStream packet formats? (Multiple Choice)

• A.The V9 format can output IPv4, IPv6 and MPLS traffic data.
• B.The V8 format supports traffic aggregation, but can output only aggregated IPv4 traffic data.
• C.The V5 format does not support traffic aggregation, putting processing pressure on the NSC and NDA.
• D.The V8 format is based on templates and can output both IPv4 and IPv6 traffic data.

The SFUs of the NE40E-X8A used on an SDN network employ which of the following redundancy methods?

• A.1 + 1
• B.3+1
• C.1:1
• D.2 + 1