1.Which statements best describe a physical connection? [Choo two.]
答案：ab
a. ud to transfer data between PC and local network
b. could utilize modem or NIC
c. Internet standard is TCP/IP
d. interprets data and displays information
2.Which of the following will test the internal loopback of a node?
答案：e
a. ping 223.223.223.223
b. ping 10.10.10.1
c. ping 192.168.1.1
d. ping 255.255.255.255
e. ping 127.0.0.1
3.Which phras describe a byte? [Choo two.]
答案：e
a. a single binary digit
b. a single addressable storage location
c. +5 volts of electricity
d. the value range from 0 to 127
e. a grouping of eight binary digits
4.Which of the following interprets the data and displays the information in an understandable form for the ur to e?
答案：b
a. remote devices
b. application
c. logical connection
d. protocol stack
e. physical connection
5.Which of the following are popular web browrs? [Choo two.]
答案：efg
a. World Wide Web
b. Quicktime
c. Macromedia Flash
d. Acrobat
e. Internet Explorer
f. Firefox
g. chrome
vattenfall6.Convert the Ba 10 number 116 into its eight bit binary equivalent. Choo the correct answer from the following list:
答案：c
a. 01110110
b. 01010110
c. 01110100
d. 01111010
e. 01110010
f. 01110111
7.Why were TCP/IP protocols developed?
答案：a
a. To allow cooperating computers to share resources across a network
b. To determine the "best path" decision making when forwarding packets of data.
c. To insure that error correction of each packet takes place.
d. To allocate resources that are needed for operating a computer on a LAN.
bc是什么意思8.If you perform a Boolean AND on the IP address 172.16.20.23 using the subnet mask of 255.255.248.0, which of the following is the subnetwork address?
答案：翻译英语的软件c
a. 172.16.20.16
b. 172.16.0.0
c. 172.16.16.0
d. 172.16.20.0
e. 172.16.24.0
9.In an 8 bit binary number, what is the total number of combinations of the eight bits?
答案：e
a. 254
b. 512
c. 255
d. 1024
e. 256
f. 128
10.Which of the following are functions of a web browr without the addition of plug-ins? [Choo three.]
答案：abe
a. requests information
b. receives information
c. updates IRQ‘s
d. displays Quicktime movies
e. contacts web rvers
f. displays flash animation
1.Which of the following is true regarding network bandwidth?
答案：ad
a. Bandwidth is not a key factor in analyzing network performance
b. Bandwidth is free.
c. Bandwidth never increas.
d. Bandwidth has capacity limits.
2.Which of the following are ways that bandwidth is commonly measured? (Choo three.)
答案：ade
a. Mbps
suaveb. GHzps
c. Nbps
d. kbps
e. Gbps
f. MHzps
3.What is the numeric ba of hexadecimal numbers?
答案：a
a. Ba 16
b. ba 8
c. ba 10
d. Ba 32
e. ba 2
4.Which of the following describe a LAN? (Choo two.)
答案：bd
a. ensures single access to specialty hosts
b. operates within a limited geographical area 庆六一主持词
c. provides dial-up connectivity
even though
d. connects physically adjacent devices
e. us rial interfaces to allow operation at lower speeds
5.Which of the following topologies are considered logical topologies? (Choo two.)
kick your ass
答案：df
a. bus
b. hierarchical
c. star
d. broadcast
e. mesh
f. token-passing
6.Which of the following is the official name for the address assigned to each network interface card (NIC) by its manufacturer?
答案：b
a. Source Address
b. MAC address
c. IP address
d. NIC address
7.Which physical network topology us a single backbone cable and connects all hosts directly to this cable?
答案：a九年级上册英语翻译>中文转英文
a. bus
b. mesh
c. star
d. ring
8.Which of the following types of networks pass a token quentially to each host? (Choo two.)
答案：ae
a. Token Ring
b. Frame Relay
c. Ethernet
d. ISDN
e. FDDI
9.Which of the following are considered valid types of VPNs? (Choo three.)
答案：bde
a. local
b. access
c. internal
d. intranet
e. extranet
f. external
10.Which device is ud to connect LANs that are geographically parated?
答案：a
a. router
b. repeater
c. bridge
d. hub
1.Which of the following is true of a repeater?
答案：b
a. Has a burned-in MAC address for each port
b. Receives bit signals and strengthens them
c. Receives frames and forwards them
d. Determines which network to nd a packet结果英文
2.Which of the following is true of a hub? (Choo all that apply.)
答案：ac
a. Usually has four or more ports
b. Works with MAC address
