Which of the following are highlights of the Service Chain component of the Agile Controller? (Multiple Choice)

A. Services are orchestrated based on the Layer 3 GRE tunnels and service devices can be deployed filexibly.

B. Service orchestration operations are visualized in the topology, simplifying the configuration and management.

C. Adding or deleting service devices does not change the physical topology of the live network and existing routes.

D. Services are orchestrated automatically, without the need for manual maintenance.

A DDoS attack indicates that an attacker controls many botnet hosts to send a large number of constructed attack packets. As a result, the attacked device rejects request of authorized users.

A. TRUE

B. FALSE

A socket is composed of the 5-tuple. Which of the following options does not bebng to the 5-tuple?

A. Source IP address

B. Source MAC address

C. Destination IP address

D. Destination interface

In interface queue scheduling, which queue is not fair and different flows in the queue cannot be isolated?

A. CQ+WFQ

B. PQ+WFQ

C. FIFO

D. WRR

Separation technology of the control plane and forwarding plane is SDN.

A. TRUE

B. FALSE

Which of the following statements regarding the delay and jitter is true?

A. The jitter is relevant to the delay.

B. The jitter occurs because the E2E delays of data packets in the different flow are different.

C. A long delay indicates a short jitter and a short delay indicates a large jitter.

D. Jitter is independent of delay.

For data with the AF DSCP flag, guaranteed bandwidth should be given. If some bandwidth is free, extra bandwidth cannot be occupied by such data;

A. TRUE

B. FALSE

Which of the following statements regarding ASPF and Servermap are true? (Multiple Choice)

A. ASPF checks application layer protocol information and monitors the application layer protocol status of connections.

B. ASPF determines whether data packets can pass the firewall through the dynamically generated ACL.

C. During configuration of the NAT server, static Servermap entries are generated.

D. The Servermap table uses the 5-tuple to represent one session.

Which of the following statements regarding the LDP session establishment process are true? (Multiple Choice)

A. Two LSRs send a Hello message to each other. If the Hello message carries the transport address, the LSR with a greater transport address initiates a TCP connection.

B. If the Hello Message does not carry the transport address, destination IP addresses of the Hello Message are used to establish a TCP connection. The LSR with the larger IP address initiates a TCP connection.

C. The initiator sends an Advertisement message to negotiate parameters for establishing an LDP session. These parameters include the LDP version, label distribution control mode, value of the Keepalive timer, maximum length of the PDU, and label space.

D. If the responder accepts negotiated parameters, it sends an Initialization message and then a Keepalive message to the initiator.

What is the broadcast domain of VXLAN called?

A. Broadcast domain

B. Switching domain

C. Bridge domain

D. VLAN domain