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Chapter 8 Communications & Networks

Total questions: 15

Worksheet time: 30mins

Name
Class
Date
1.

The concept related to using computer networks to link people and resources.

a)

connectivity

b)

GPS

c)

TCP/IP

d)

Wi-Fi

2.

A high-frequency transmission cable that delivers television signals as well as connects computers in a network.

a)

twisted pair

b)

hi-def

c)

3D

d)

coaxial

3.

A short-range radio communication standard that transmits data over short distances of up to approximately 33 feet.

a)

broadband

b)

DSL

c)

Bluetooth

d)

TCP/IP

4.

The speed with which a modem transmits data is called its:

a)

modular rating

b)

transfer rate

c)

dynamic rate

d)

digital velocity

5.

The bandwith typically used for DSL, cable , and satellite connections to the Internet.

a)

baseband

b)

broadband

c)

medium band

d)

voiceband

6.

Every computer on the internet has a unique numeric address called a(n):

a)

IP address

b)

broadcast

c)

DNS

d)

packet

7.

Sometimes referred to as a LAN adapter, these expansion cards connect a computer to a network.

a)

PCMCIA

b)

server

c)

NIC

d)

VPN

8.

A device that allows one LAN to be linked to other LANs or to larger networks.

a)

PAN

b)

IDS

c)

switch

d)

network gateway

9.

Typically using Wi-Fi technology, these wireless access point are available from public places such as coffee shos, libraries, bookstores, colleges, and universities.

a)

LANs

b)

PANs

c)

extranets

d)

hotspots

10.

Bus, ring, star, tree , and mesh are five types of network:

a)

topologies

b)

protocols

c)

devices

d)

strategies

11.

Computer communication describes a process in which two or more computers or devices transfer________.

a)

system

b)

information

c)

instructions

d)

money

e)

data

12.

A network consists of a single central cable, which connects all the computers and other devices is known as ________.

a)

star

b)

ring

c)

bus

d)

tree

13.

The amount of data, instructions, or information that can travel over a communications channel sometimes called _______.

a)

analog

b)

digital

c)

broadband

d)

bandwidth

14.

Choose the INCORRECT example of wireless transmission media.

a)

Celullar radio

b)

Fiber optic

c)

Communication satellite

d)

Microwaves

15.

Select the definition of a protocol as it applies to networks.

a)

The language used to translate analog signals into digital signals.

b)

A method for connecting nodes on a network.

c)

The rules governing acceptable network use by employees or other users.

d)

A standard that outlines characteristics of how two network devices communicate.