Deck 1: Introduction

Question 1

The header of a data packet contains all of the following except _____.

A)sender address
B)receiver address
C)packet size
D)user data

Answer 1

D

Question 2

The novelty of switching is that _____.

A)it allows instantaneous long distance communications
B)it allows one wire to carry multiple signals simultaneously
C)it allows one wire to connect a user to multiple destinations
D)it breaks data down into small units of information

Answer 2

C

Question 3

Business Data Communications refers to the movement of data from _____.

A)one computer to another computer
B)one computer application on a computer to another computer application on another computer
C)one computer network to another computer network
D)one person to another

Answer 3

B

Question 4

The transport layer in the TCP/ IP stack is responsible for _____.

A)error control
B)identifying and locating the destination
C)specifying end user needs
D)segmentation and reassembly of packets

Question 5

One feature common to most computer software and data communications is _____.

A)the use of layering to organize functionality
B)the use of packetization
C)the use of routing
D)the use of signaling

Question 6

Businesses generate more network data than consumers.

Question 7

The session layer in the OSI model is responsible for _____.

A)error control
B)specifying end user needs
C)creating and terminating connections
D)tracking cookies

Question 8

Layering is the practice of _____.

A)arranging functionality of components so that upper layers support the services of lower layers
B)arranging functionality of components so that lower layers support the services of upper layers
C)breaking down user data into small segments
D)using one wire to carry multiple signals simultaneously

Question 9

A protocol is a set of rules that _____.

A)define layers
B)permit information systems to exchange information with each other
C)break down user data into small segments
D)arrange functionality of components

Question 10

The presentation layer in the OSI model is responsible for _____.

A)error control
B)specifying end user needs
C)presenting information to end users
D)syntax conversion from host-specific syntax for network transfer

Question 11

The physical layer in the TCP/ IP stack is responsible for _____.

A)error control
B)identifying and locating the destination
C)signaling
D)segmentation and reassembly of packets

Question 12

The novelty of packet switching is that _____.

A)it allowed instantaneous long distance communications for the first time
B)it enabled long distance voice communication for the first time
C)it allows all users to be connected to all other users simultaneously
D)None of the above

Question 13

Packetization is the process of _____.

A)sending letters to friends
B)sending user data over networks
C)communicating between computer applications
D)breaking down user data into small segments

Question 14

The novelty of the telegraph was that _____.

A)it allowed instantaneous long-distance communication over a wire
B)it allowed people to talk to each other
C)it allowed one wire to connect a user to multiple destinations
D)it allowed users to draw graphs

Question 15

The continent with the highest growth rate of Internet traffic is _____.

A)North America
B)Asia
C)South America
D)Europe

Question 16

The novelty of multiplexing is that _____.

A)it allows instantaneous long distance communications
B)it allows one wire to carry multiple signals simultaneously
C)it allows one wire to connect a user to multiple destinations
D)None of the above

Question 17

The contribution of the OSI model was that _____.

A)it helped develop the technology used for routing
B)it helped develop the technologies used for signaling
C)it helped develop the technologies used for reliable data delivery
D)it helped specify the concept of layers in data communication

Question 18

The application layer in the TCP/ IP stack is responsible for _____.

A)error control
B)identifying and locating the destination
C)specifying end user needs
D)segmentation and reassembly of packets

Question 19

The network layer in the TCP/ IP stack is responsible for _____.

A)error control
B)identifying and locating the destination
C)specifying end user needs
D)segmentation and reassembly of packets

Question 20

The data link layer in the TCP/ IP stack is responsible for _____.

A)error control
B)identifying and locating the destination
C)signaling
D)segmentation and reassembly of packets

Question 21

A technology defined at the data link layer is _____.

A)Ethernet
B)IP
C)TCP
D)SMTP

Question 22

A unique feature of the Internet compared to phone and TV networks is that _____.

A)the Internet has a higher data transfer rate
B)the Internet uses a common packet format to transfer data from any application
C)the Internet was operational long before phone and TV networks
D)the Internet can be used to transmit information

Question 23

The TCP/ IP stack has ______ layers.

A)5
B)6
C)3
D)7

Question 24

The common packet format that can be transferred by any network and that serves all applications is defined at the _______ layer.

A)data link
B)network
C)transport
D)application

Question 25

The OSI model has ______ layers.

A)5
B)6
C)3
D)7