Question: 1
What is the correct statement about IP routing?
A. Routing is the concept of the second layer in the OSI model.
B. Any route must include the following three parts: source address, destination address, and next hop.
C. In the LAN, routing includes the following two parts: IP address and MAC address.
D. IP routing is the path information that guides IP packet forwarding.
Answer: D
Question: 2
Which is the next generation development prospect of the access network?
A. Expand the application of PSTN
B. Increase the type of service transmitted on ADSL
C. Light into the copper
D. Increase the ADSL transmission distance and increase the coverage radius
Answer: C
Question: 3
Which of the following does not belong to the communication network category?
A. Telephone network
B. Internet network
C. Radio and television network
D. State Grid
Answer: D
Question: 4
Among the access technologies of the access network, which of the following access modes can provide the largest access bandwidth?
A. ADSL
B. ADSL 2+
C. VDSL
D. GPON
Answer: D
Question: 5
Is the following description correct? ICMP is a link layer protocol. ICMP messages are triggered by the physical layer and then responded by the IP layer or higher layer protocols.
A. True
B. False
Answer: B
