北交大计算机网络原理2009-2010期末-最终版
需积分: 3 89 浏览量
2023-01-07
12:08:34
上传
评论
收藏 23KB DOCX 举报
北 京 交 通 大 学
2009—2010 学年 第二学期期末考试试题
课程名称：计算机网络原理 出题教师 ：姜文红 赵阿群
一、 Choice quiz(20)
1.which is not the one of the layers of TCP/IP protocol stack( )?
A. session layer B. application C. network layer D. physical layer
2.A computer network in a company is called( )
A. personal area network B. Local area network
C. Metropolitan area network D. Wide area network
3.If two personal computers which runs different upper layer protocol need to be linked,
which instrument is used ( )
A. switch B. bridge C. gateway D. router
4.In the protocol stack , the function of physical layer is to( )
A. establish connection
B. transmit bit streams transparently
C. transmit data frame between physical entity
D. transmit and receive user data
5.TCP protocol in TCP/IP protocol stack provides ( )service
A. reliable connecting-oriented B. unreliable connection-oriented
C. reliable connectionless D. unreliable connectionless
6.Which physical media is immune to electromagnetic interface( )
A. twisted-pair copper wire B. fiber optics C. coaxial cable D. microwave
7.Data link layer does not has the function of ( )
A. frame synchronization B. error detection
C. flow control D. congestion control
8.In SR protocol , if 3 bits in the header of packet are used to be the sequence number , the
maximum size if sender window is ( )
A. 3 B.4 C.6 D.7
9.If random multiple access control protocol is used to control media access , which one is
suitable ( )
A.FDM B.CDMA C.CSMA/CD D. Token-passing protocol
10.The Ethernet switch forwards frame according to ( )
A. IP address B. MAC address C.LLC address D. Token-passing protocol
11.When a frame arrives at a switch interface , the switch indexes destination address in its
forwarding table . If it is not found in its table , then ( ),If the destination address is just in
the interface where the frame comes , then ( )\
A. forwards this frame to all interfaces except the incoming one , discards this frame
资源评论
