Which of the following options is used to verify the entire ICMP message?

A. Inspection and field of ICMP messages

B. Inspection of the IP datagram header

C. Code field of ICMP message

D. Type field of ICMP packet

What part of a complete data communication system should be composed (multiple choice)

A. Message (message)

B. sender (sender)

C. Receiver (receiver)

D. Medium

E. Power (power)

Which of the following fields are included in the routing table? (multiple choice)

A. Source address

B. Next hop

C. Target network

D. Routing metrics

Which of the following technologies is used to implement point-to-multipoint data transmission in IPTV?

A. Unicast

B. Broadcast

C. Multicast

D. Anycast

On the port running Frame Relay, the MAP table corresponds to the logical interface, and the different logical interfaces have different MAP tables.

A. True

B. False

177. For the network 172.168.16.0 MASK 255.255.252.0, the largest of the available host IPs is?

A. 172.168.16.254

B. 172.168.17.254

C. 172.168.18.254

D. 172.168.19.254

What are the correct functions of the functions implemented on VRP? (multiple choice)

A. Achieve a unified user interface and management interface

B. Implement control plane functions

C. Defining the forwarding plane interface specification

D. Prevent the interaction between the forwarding plane and the VRP control plane

Regarding the characteristics of the OSPF protocol, what are the following statements correct? (multiple choice)

A. Support flat network design

B. Routing changes converge fast

C. Support multiple equal-cost routes

D. Support authentication of protocol packets

In the HDLC frame format, which frame format determines the type of HDLC frame?

A. Flag field

B. Address field

C. Control field

D. Information field

Regarding the IP routing, the following correct ()? (multiple choice)

A. Routing is the third layer concept in the OSI model

B. IP routing is the path information that guides IP packet forwarding.

C. Any route must include the following three parts: source address, destination address, and next hop.

D. In the LAN, the route includes the following two parts: IP address and MAC address.