史萊姆論壇 - 網路技術的題目

請問有人可以幫我作答嗎？ :dcft689kj :dcft689kj

1 Why were TCP/IP protocols developed?

To insure that error correction of each packet takes place.
To allow cooperating computers to share resources across a network.
To allocate resources that are needed for operating a computer on a LAN.
To determine the "best path" decision making when forwarding packets of data.

2 Which of the following are functions of a web browser without the addition of plug-ins? (Choose three.)

updates IRQ's
receives information
requests information
contacts web servers
displays flash animation
displays Quicktime movies

3 What is the numeric base of hexadecimal numbers?

Base 2
Base 8
Base 10
Base 16
Base 32

4 In an 8 bit binary number, what is the total number of combinations of the eight bits?

128
254
255
256
512
1024

5 Convert the decimal number 231 into its binary equivalent. Select the correct answer from the list below.

11110010
11011011
11110110
11100111
11100101
11101110

6 Convert the hexadecimal number CD into its base 10 equivalent. Select the correct answer from the list below.

197
199
201
203
205
207

7 Convert the hexadecimal number 19 into its base 10 equivalent. Select the correct answer from the list below.

19
91
52
25
36
63

8 Which of the following are popular web browsers? (Choose two.)

Acrobat
Internet Explorer
Macromedia Flash
Netscape Navigator
Quicktime
World Wide Web

9 Which of the following are valid hexadecimal numbers? (Choose three.)

DEF3
1G45
1F35
DH3F
453
X35F

10 What are the requirements for an Internet connection? (Choose three.)

remote host
physical connection
logical connection
firewall
application

11 Which of the following interprets the data and displays the information in an understandable form for the user to see?

application
protocol stack
remote devices
logical connection
physical connection

12 Which of the following are considered to be "always on" services? (Choose two.)

DSL
ISDN
56kbps
cable modem
13 Which of the following will test the internal loopback of a node?

ping 10.10.10.1
ping 192.168.1.1
ping 127.0.0.1
ping 223.223.223.223
ping 255.255.255.255

14 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?

172.16.0.0
172.16.16.0
172.16.20.0
172.16.20.16
172.16.24.0

15 Which specialized equipment is used to make a physical connection from a PC to a network? (Choose two.)

router
modem
CD Rom
network interface card

16 When purchasing a NIC for a computer, which of the following factors need to be considered? (Choose three.)

protocols
system bus
brand of PC
web browser
type of media used on the network

17 Which of the following describes a network interface card?

large circuit board that contains sockets for expansion cards
interface card capable of transferring more than one bit simultaneously and is used to connect external devices
interface card inserted into a computer so that the computer can be connected to a network
interface card that can be used for parallel communication in which only 1 bit is transmitted at a time

18 Which statements best describe a physical connection? (Choose two.)

internet standard is TCP/IP
could utilize modem or NIC
interprets data and displays information
used to transfer data between PC and local network

19 Which device connects a computer with a telephone line by providing modulation and demodulation of incoming and outgoing data?

NIC
CSU/DSU
router
modem
telco switch

20 Which phrases describe a byte? (Choose two.)

a single binary digit
a grouping of eight binary digits
+5 volts of electricity
a single addressable storage location
the value range from 0 to 127

21 Convert the Base 10 number 116 into its eight bit binary equivalent. Choose the correct answer from the following list:

01111010
01110010
01110100
01110110
01110111
01010110