题目内容

The internet’s network layer provides a single service----that is ____.

A. Reliable data transfer
B. Flow control
Congestion control
D. Best-effort-service

查看答案
更多问题

VC network provides network-layer ____.

A. connectionless service
B.connection service
C.both of above
D.neither of A and B

In VC network, each packet carries ____.

A.VC identifier
B.destination host address
C.IP address
D.Mac address

In ____ networking, a series of packet may follow different paths and may arrive out of order?

A.Datagram
B.VC
C.TCP
D.None of above

The internet is a (an) ____ network?

A.Datagram
B. VC
C.Both of above
D.None of above

答案查题题库