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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
local connection
* 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
Kaynak: Cisco Curr v3.1
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