H31-611 Online Practice Questions and Answers

Which of the following descriptions are true about SDN? (Choose all that apply.)

A. SDN is OpenFlow.

B. SDN supports forwarding-control separation.

C. SDN provides programmable open interfaces.

D. SDN is short for software-defined networking.

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

A. In the SDN architecture, the underlying switches need to provide only the most basic and simple functions.

B. SDN is applicable to cloud computing providers and enterprises facing substantially increasing workloads/

C. SDN's forwarding-control separation architectures standardize and simplifies network devices.

D. SDN cannot implement flexible and centralized control and cloudfield application awareness.

Which of the following is the port number used by VXLAN packets?

A. 4786

B. 4787

C. 4788

D. 4789

Which of the following protocols is defined by the network layer of the OSI protocol suite?

A. ES-ES

B. RIP

C. OSPF

D. IS-IS

What kind of packet is used by BGP to transmit version number and AS number information?

A. Open

B. Update

C. Keepalive

D. Notification

For a router that runs BGP4, which of the following statements is not true?

A. When multiple paths exist, BGP4 selects the optimal path.

B. BGP notifies the routes obtained from EBGP to all its BGP peers.

C. BGP advertises to BGP peers only the routes it uses.

D. BGP4 notifies the routes obtained from IBGP to all its BGP peers.

Which statement about BGP is true?

A. BGP is used in Ass or between Ass to transmit and control routing information.

B. BGP is used in an AS to discover paths.

C. BGP is directly carried in IP packets.

D. BGP must establish peer relationships based on direct links.

Which of the following methods does not support traffic importing to the MPLS TE tunnel?

A. Static routing

B. Dynamic routing

C. Automatic routing

D. Policy-based routing

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

A. TRUE

B. FALSE

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.