Which OpenStack component is responsible for managing virtual networks and determining the ID of the server that the VM IP address.

A. Nova

B. Neutron

C. Cinder

D. NetMatrix

The SDN controller has a global view of the entire network.

A. TRUE

B. FALSE

Regarding the VS technology of CE series switches on an SDN network, which of the following statements are true? (Choose all that apply.)

A. All ports on a forwarding chip of the LPU must be allocated to the VS in Group mode at the same time.

B. All ports on a forwarding chip of the LPU must be allocated to the VS in Port mode at the same time.

C. Any LPU ports can be freely assigned at any VS in Group mode.

D. Any LPU ports can be freely assigned at any VS in Port mode.

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

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.

On a P2P IS-IS network, which of the following is true about the use of PSNP packets?

A. Confirm receipt of LSPs.

B. Discover neighbors.

C. Set up adjacencies.

D. Select the DIS.

In BGP, which of the following are methods for loop avoidance?

A. The Origin attribute of a route records the source from which the route was imported

B. In a route's AS-Path attribute, all Ass along the path are recorded.

C. In the next-hop attribute of a route, the route's next hop is recorded.

D. The MED attribute of a route affects the outbound interface selection of another AS.

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.

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.

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.