2024年3月12日发(作者：)

计算机网络英文试题

Computer Network Test Paper

invented IP and some related Internet protocols? B

a)Vinton Cerf and Bob Metcalfe

b)Vinton Cerf and Robert Kahn

c)Bob Metcalfe and Ivan Sutherland

d)Bob Metcalfe and David Clark

the OSI reference model,

upper layers of the OSI model are, in correct order B

a)Session, application, presentation

b)Session, presentation, application

c)Session, application, presentation, physical

d)Application, presentation, session

lower layers of the OSI model are, in correct order D

a)physical, system, network, logical

b)physical, logical, network, system

c)physical, transport, network, data link

d)physical, data link, network, transport

Internet Protocol (IP) generally corresponds to which

OSI layer? A

a)Network (layer three)

b)Transport (layer four)

c)Data link (layer two)

d)Session (layer five)

stands for C

a)Minimum Transfer Unit

b)Minimum Transmission Unit

c)Maximum Transmission Unit

d)Maximum Transfer Unit

layer of the OSI model is designed to perform error

detection functions?

B

a)Physical

b)Data link

c)Network

d)transport

of these network devices primarily functions at the

OSI Network layer

(layer 3)? C

a)Switch

b)Gateway

c)Router

d)All of the above

is the size of today’s standard (IPv4) IP address? A

a) 4 bytes (32 bits)

b)12 bytes (96 bits)

c)15 bytes (120 bits)

d)16 bytes (128 bits)

is the size of the next-generation (IPv6) IP address?

a) 4 bytes (32 bits)

b)12 bytes (96 bits)

c)15 bytes (120 bits)

d)16 bytes (128 bits)

of the following higher-level protocols runs over IP?

D

a)FTP

b)HTTP

c)SMTP

d)All of the above

of the following IPv4 addresses is the loopback

address? C

a)0.0.0.0

b)10.0.0.1

c)127.0.0.1

d)255.255.255.255

of the following IPv6 addresses is the loopback

address? B

a)0::0

b)0::1

c)127::0

d)127::1

length of an IP datagram header can vary depending

on the options used. What

is the smallest possible IP header size? B

a)16 bytes

b)20 bytes

c)24 bytes

d)60 bytes

source IP address for an IPv4 datagram is stored

where in the header?

C

a)2nd longword (bytes 5-8)

b)3rd longword (bytes 9-12)

c)4rd longword (bytes 13-16)

d)5rd longword (bytes 17-20)

destination IP address for an IPv4 datagram is stored

where in the header?

D

a)2nd longword (bytes 5-8)

b)3rd longword (bytes 9-12)

c)4rd longword (bytes 13-16)

d)5rd longword (bytes 17-20)

header length field in an IPv4 datagram contains the

size of an IP header

measured in number of C

a)Bits

b)Bytes

c)Longwords (4 bytes)

d)None of the above

IP run over any other physical networks besides

Ethernet? D

a)No (and IP does not run over Ethernet)

b)No

c)Yes (but IP does not run over Ethernet)

d)Yes

function does Address Resolution Protocol (ARP)

perform? A

a)Converts IP addresses to Ethernet addresses

b)Automatically assigns IP addresses to computers

c)Prevents two computers from using the same IP address

d)None of the above

mechanism does ARP use to resolve IP addresses?

B

a)Mathematical formula

b)Lookup table

c)Central web site

d)Random number generator

utility program is designed to report whether a

networked computer is

responding at a given IP address, and how long these

responses take? B

a)traceroute

b)ping

c)ttcp

d)netstate

of these shell commands supplies the IP address of

a computer running the

Linux operating system? B

a)ipconfig

b)ifconfig

c)linuxconf

d)none of the above

of the following technologies manage the

conversion between IP addresses

and host names? B

a)BGP

b)DNS

c)ARP

d)All of the above

stands for D

a)Class-based Internet Domain Routing

b)Careful Inter-Domain Routing

c)Constant Internet Domain Routing

d)Classless Inter-Domain Routing

CIDR notation, which of the following networks

contains host 192.168.14.2?

B

a)192.168.10.0/22

b)192.168.11.0/21