Question Bank accompanying
Business Data Communications
By Manish Agrawal
Chapter 1 - Introduction
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: (b)
2. The continent with the highest growth rate of Internet traffic is _____.
a) North America
b) Asia
c) South America
d) Europe
Answer: (c)
3. Businesses generate more network data than consumers.
a) True
b) False
Answer: (b)
4. 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
,Answer: (a)
5. 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
Answer: (b)
6. 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: (c)
7. 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
Answer: (c)
8. 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
Answer: (d)
9. 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: (d)
10. 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
Answer: (b)
11. 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
Answer: (a)
12. 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
Answer: (c)
13. 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
Answer: (a)
14. 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
Answer: (b)
15. 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
Answer: (d)
16. 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
Answer: (c)
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
Answer: (d)
18. 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
Answer: (d)
19. The session layer in the OSI model is responsible for _____.
a) error control
Business Data Communications
By Manish Agrawal
Chapter 1 - Introduction
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: (b)
2. The continent with the highest growth rate of Internet traffic is _____.
a) North America
b) Asia
c) South America
d) Europe
Answer: (c)
3. Businesses generate more network data than consumers.
a) True
b) False
Answer: (b)
4. 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
,Answer: (a)
5. 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
Answer: (b)
6. 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: (c)
7. 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
Answer: (c)
8. 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
Answer: (d)
9. 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: (d)
10. 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
Answer: (b)
11. 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
Answer: (a)
12. 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
Answer: (c)
13. 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
Answer: (a)
14. 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
Answer: (b)
15. 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
Answer: (d)
16. 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
Answer: (c)
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
Answer: (d)
18. 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
Answer: (d)
19. The session layer in the OSI model is responsible for _____.
a) error control
