H31-611 Online Practice Questions and Answers

In the SDN architecture, which of the following belong to the application layer? (Choose all that apply.)

A. OpenStack

B. Third-party APP platform

C. SNC

D. NetMatrix

On an SDN network, network devices only need to be responsible for data forwarding.

A. TRUE

B. FALSE

On a VXLAN network, which of the following statements are NOT true about VNIs? (Choose all that apply.)

A. A VNI is a VXLAN network identifier used to differentiate VXLAN segments.

B. One VNI identifies one tenant, regardless of whether the tenant contains multiple end users.

C. VMs of different VXLAN segments cannot directly communicate with each other Layer 2.

D. A VNI consists of 16 bits.

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

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

A. 1:1

B. 1+1

C. 2+1

D. 3+1

Regarding the CE series switches on an SDN network, which of the following statements are true about their application in data centers? (Choose all that apply.)

A. A CE series switch can connect to a server as a TOR.

B. The network between TORs and core switches must be an ECMP-enabled Layer 3 network.

C. The network between TORs and core switches must be a Layer 2 network that runs MSTP to prevent loops.

D. The network between TORs and core switches can be either a Layer 2 or a Layer 3 network.

In the SDN RR+ solution, the AC can provide which of the following functions? (Choose all that apply.)

A. Calculates optimal paths globally based on multiple constraints.

B. Pre-defines BGP routing policies.

C. Generates BGP routes/policies and applies them to devices.

D. Manages topology and BGP relationships

A trunk port on a switch allows packets from VLANs 3, 4, and 5 to pass, but only packets from VLANs 3 and 4 have tags. Which of the following may be the reason why packets from VLAN 5 do not have tags?

A. The port PVID is 5.

B. The port PVID is 3 and 4.

C. During port configuration, the port trunk permit vlan 3 4 command is configured.

D. GVRP is enabled on this port.

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

Which statements about the link-state algorithm are true? (Choose all that apply.)

A. The link state is the description of a route.

B. The link state describes the network topology.

C. The link state algorithm does not generate route loops.

D. OSPF and RIP use the link state algorithm.

Which of the following statements are true about the DIS in IS-IS? (Choose all that apply.)

A. A DIS creates and updates pseudo nodes on a broadcast network.

B. DIS election is unpredictable.

C. When all IS priorities are the same within a LAN, the IS with the largest MAC address is elected as the DIS.

D. DIS election on a broadcast network is held in preemption mode.

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

A. NMS

B. Agent

C. SOA

D. MIB

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.