CCNA V3.1
Semestre 1 - Module 1

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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

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