20 East Spring semester "Computer Network" online usually work 2

[Statement] Bowen content is limited tutorial will be available, if infringement please let me delete, such as not timely reply or unclear please add micro-channel aopon007, if you can specify from CSDN very much hope to share with you through this platform CSDN

20 Spring semester "Computer Network" online jobs usually 2
papers Total: 100 Score: 100
First, multiple choice (a total of 15 questions, a total of 75 points)
1.HTML is ().
A. Transfer Protocol
B. HTML
C. Uniform Resource Locator
D. machine language

2. employed between peer entities () to communicate.
Service A.
B. connection
C. Protocol
D. Signaling

3. In three-way handshake to establish a connection, the connection initiator should first send () message.
A.ACK
B.SYN
C.FIN
D.SYN the ACK +

4.FDDI used is () physically connecting structure.
Bus A.
B. Ring
C. star
D. reticular

5. When using the E-mail to send letters, legal complete E-mail address ().
[email protected]
B.user.center.neu.edu.cn
C.cneter.neu.edu.cn@user
D.www: //[email protected]

Media access control method is defined 6.IEEE802.3 ().
Ring A.Token
B.Token Bus
C.CSMA / CD
D.FDDI

7. If two hosts on the same subnet, the IP address of both hosts to which they are respectively Subnet Mask "and" certain results ().
A. full 0
B. full. 1
C. same
different D.

8.ICMP protocol is () protocol encapsulation.
A.UDP
B.TCP
C.IP
D.PPP

9.IP datagram header length field in the header of a minimum of ().
A.2
B.3
C.4
D.5

10. Check network connectivity application is :().
A.PING
B.ARP
C.BIND
D.DNS

Telephone exchange 11.IP employed is ().
A. packet switching
B. circuit switched
C. message switching
D. Cell switching

Not less random access technology is 12. ().
A.ALOHA
B.Token Ring
C.CSMA
D.CSMA / CD

13. The computer network transport layer well known in the well-known ports range number is ().
A.0-256
B.0-1023
C.0-65535
D.1024-65535

14. The following description of the card, the error is ().
A.MAC address is stored in the card in
the predecessor B. NIC is FEP
C. The current card is mainly used Program I / O and memory interact ways
I / O address and interrupt D. card number can not occur with a host of other hardware conflict

15. The following protocol does not belong to the TCP / IP protocol suite is an application layer protocol ().
A.HTTP
B.SNMP
C.SMTP
D.IGMP

Second, determine the questions (5 questions total of 25 points)
16.ICMP protocol IP protocol is encapsulated, and therefore the transport protocol layer.

17. Because of the high transmission rate of electricity, electrical signals can be ignored in the time required for the transmission between hosts.

18. The structure of a domain name consisting of several components, with the open dot grid, the lowest level domain name written on the right.

19. The circuit switching than packet switching is more suitable for transmission of large data block.

20. The baseband modem is an analog signal and digital signal conversion device of the network.

Published 15 original articles · won praise 0 · Views 71

Guess you like

Origin blog.csdn.net/aopenfang/article/details/105163409