Data Transmission

Question 1

_______ is a measurement of the width or capacity of the communication channel. Means how much information can move across the communication channel in a given amount of time.

Answer 1

Bandwidth

Question 2

_______ also known as ________, is used for landline telephone communication.

Answer 2

• voiceband
• low bandwidth

Question 3

__________ is used in special leased lines to connect midrange computers and mainframes, as well as to transmit data over long distances.

Answer 3

Medium band

Question 4

________ is widely used for DSL, cable, and satellite connections to the internet.

Answer 4

Broadband

Question 5

__________ is widely used to connect indivdual computers that are located close to one another, such as the computers in an office building.

Answer 5

Baseband

Question 6

Rules for exchanging data between computers are known as ___________.

Answer 6

protocols

Question 7

_______ or __________ is widely used to protect the transfer of sensitive information.

Answer 7

• https
• hypertext transfer protocol secure

Question 8

Another widely used Internet protocol is ___________. Essential features include:

1. identifying sending and receiving devices
2. breaking information into small parts, or packets, for transmission across the Internet

Answer 8

TCP/IP (transmission control protocol/Internet protocol)

Question 9

_________: Every computer on the Internet has a unique numeric address called an ___________

Answer 9

• Identification
• IP address (internet protocol address)

Question 10

This system uses a _________ that converts text-based addresses to IP addresses.

Answer 10

domain name server (DNS)

Question 11

____________ information sent or transmitted across the Internet usually travels through numerous interconnected networks

Answer 11

Packetization

Question 12

Before the message is sent during packetization, it is reformatted or broken down into small parts called _______.

Answer 12

packet