TCP/IP communication protocol contains four layers. From bottom to top, the four layers are （ ） .

On top of the bridge there are four lifelike stone lions.(英译汉)

TCP/IP is a communication protocol, which provides many different networking services. The TCP/IP Internet protocol suite is formed from two standards: the TCP （Transmission Control Protocol） and the IP（Internet Protocol）.

（72） means it is on the transport layer.

A.ISO

B.IP

C.OSI

D.TCP

A、IP protocol

B、HTTP protocol

C、TCP Protocol

D、Ftp Protocol

A. load balancing

B. scalability

C. remote management

D. fault tolerance

E. service assurance

A network design shows that R1 has four different possible paths from itself to the Data Center subnets.Which one of the following commands is most likely to show you all the possible next - hop IP addresses for these four possible routes?（）

A. show ip eigrp topology

B. show ip eigrp topology all - links

C. show ip route eigrp

D. show ip route eigrp all - links

E. show ip eigrp topology all - learned

● TCP/IP communication protocol contains four layers. From bottom to top, the four layers are __(71)__.

（71）A．network interface layer, internet layer, transport layer and application layer

B．internet layer, network interface layer, transport layer and application layer

C．network interface layer, transport layer, network interface layer and application layer

D．application layer, transport layer, internet layer and network interface layer

TCP/IP communication protocol contains four layers． From bottom to top, the four layers are __（71）__．

A.network interface layer, internet layer, transport layer and application layer

B.internet layer, network interface layer, transport layer and application layer

C.network interface layer, transport layer, network interface layer and application layer

D.application layer, transport layer, internet layer and network interface layer

根据下面的文字资料回答 71～75 题 In the following essay，each blank has four choices．Choose the most suitable one from the four choices and write down in the answer sheet．A（ 1 ）is basically an end point of a communication link between two applications.Sockets that extend over a network connect two or more applications running on separate computer sat tached to the network．Asocket（ 2 ）twoaddresses：（ 3 ）．Sockets providea （ 4 ）communication channel between one or more systems.There are stream and datagram sockets separately using TCP and（ 5 ）．

第6题：文中（ 1 ）处正确的答案是（ ）。

A．program

B．UDP

C．socket

D．TCP

A. application layer

B. session layer

C. transport layer

D. internet layer

E. network layer

F. data link layer

G. physical layer