Chapter 1 - Introduction to Computer Networks
Multiple Choice
1. Networks were developed to facilitate communication between computing devices. However, there is a goal
beyond this. What is it?
a. communication between devices
b. communication between people
c. communication between networks
d. communication between hosts
ANSWER: b
2. Jerry has a computer that continues to slow down when he uses multiple programs. He finds that information
is temporarily saved on his hard drive while working. How could Jerry keep this situation from happening in the
future?
a. Install a faster hard drive.
b. Install more memory.
c. Install 64-bit programs instead of 32-bit programs.
d. Install a better keyboard.
ANSWER: b
3. How many gigabytes are there in four terabytes?
a. 1000 GB
b. 2000 GB
c. 3000 GB
d. 4000 GB
ANSWER: d
4. What is the difference between the central processing unit and the graphics processing unit?
a. The GPU (graphics processing unit) is a computer component that interprets and executes
instructions in a computer program or application such as a word processor or web browser, and the
CPU (central processing unit) takes a high-level instruction such as "draw a circle" and performs the
math calculations needed to draw the circle on the display device.
b. The GPU is only a backup of the CPU and takes the load off the CPU whenever the CPU is
overtaxed.
c. The CPU (central processing unit) is a computer component that interprets and executes instructions
in a computer program or application such as a word processor or web browser, and the GPU takes a
high-level graphics instruction such as "draw a circle" and performs the math calculations needed to
draw the circle on the display device.
d. The CPU is only a backup of the GPU and takes the load off the GPU whenever the GPU is
overtaxed.
ANSWER: c
Page 1
,Name: Class: Date:
Chapter 1 - Introduction to Computer Networks
5. Alicia is getting a new touch screen monitor. She tells her friend Jennifer that monitors are great input
devices. Jennifer says to their friend, Alicia, that she is wrong. Why is Alicia wrong?
a. A touch screen monitor can be both an output device and an input device.
b. A touch screen monitor is only an output device.
c. A touch screen monitor is only an input device.
d. Alicia is wrong, there is no such thing as a touch screen monitor.
ANSWER: a
6. Elijah is currently interning at Dua Corporation. His supervisor asked him about the four-tier model of
network communications and challenged him to arrange the tiers in the correct order. Unfortunately, Elijah
couldn't remember the sequence. Can you help him recall the correct order of the four tiers?
a. Network client software, Network interface, User application, Network protocol
b. User application, Network protocol, Network client software, Network interface
c. User application, Network client software, Network protocol, Network interface
d. Network interface, User application, Network protocol, Network client software
ANSWER: c
7. Cyrus works for a small company that has all of its computers in one location. He is setting up his network.
What type of network is it?
a. local area network (LAN)
b. wide area network (WAN)
c. personal area network (PAN)
d. campus area network (CAN)
ANSWER: a
8. Mable works for a mid-size company with offices in several locations across the state. What type of network
is this considered?
a. local area network (LAN)
b. wide area network (WAN)
c. metropolitan area network (MAN)
d. campus area network (CAN)
ANSWER: b
9. Beatrix works for a city government, and they want to put a new network up for a city park. What type of
network is this called?
a. local area network (LAN)
b. wide area network (WAN)
c. metropolitan area network (MAN)
d. campus area network (CAN)
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,Name: Class: Date:
Chapter 1 - Introduction to Computer Networks
ANSWER: c
10. Dante works for a school that just received a grant to install a network covering the entire school grounds.
What is this network called?
a. local area network (LAN)
b. wide area network (WAN)
c. metropolitan area network (MAN)
d. campus area network (CAN)
ANSWER: d
11. Debbie is assembling a network for office use only. What type of network is that?
a. Intranet
b. Internet
c. Extranet
d. Extantnet
ANSWER: a
12. Estella is working on a new network. Her company originally had only one office locally. Now, she has
three offices in three different cities, so multiple routers and switches must be programmed. These LANs are all
tied together. What is the specific term used to describe this network?
a. wide area network
b. local area network
c. internetwork
d. extranet
ANSWER: c
13. A packet is about to traverse a network, and there are several things that need to be added to it for the packet
to move. One of these is the IP address. If there is a problem with the IP address, what happens?
a. The packet cannot be delivered.
b. The packet will still traverse the network and get to the proper recipient.
c. A trailer cannot be added to the packet.
d. Encapsulation cannot happen.
ANSWER: a
14. Angel is talking with a new employee about client systems and the software mainly designed to access
network resources. What type of client is she talking about?
a. client software
b. client computer
c. client networking
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, Name: Class: Date:
Chapter 1 - Introduction to Computer Networks
d. client operating systems
ANSWER: d
15. Celia recently had a wireless insulin pump added to her body. Her doctor told her she needed to be sure she
had a LAN at home so they could monitor her glucose levels. However, the only thing Celia has at home is a
laptop connected to the internet and her phone. The doctor didn't realize that the device could be monitored
anytime and anywhere, so a LAN was unnecessary. How can the device be monitored without a LAN?
a. The device is Bluetooth-enabled so that she can add it to her phone. Her glucose levels can then be
monitored using her phone's network.
b. The device has its own LAN.
c. The device is wireless and can connect to her home's wireless router.
d. She had to buy a LAN.
ANSWER: a
16. Brennan is concerned that the server that he is using for his network may die unexpectedly. Some of the
newer software can switch between servers if one goes offline. What is that capability called?
a. duopoly
b. multi-tenancy
c. redundancy
d. round robin
ANSWER: c
17. Inaya is a network administrator. Currently, she is running several servers with several types of directory
services. Her boss comes in and tells her he has a new assistant and needs the assistant to have access to
everything. What would be the best way to add the assistant as quickly as possible?
a. Add the assistant into each directory service as needed. This will allow Inaya to control what services
they have access to.
b. Use Active Directory. This directory service allows an administrator to make user groups to which
employees belong. Each category of employee has rights to specific services. The new assistant will
get the rights to services that all assistants get.
c. Use the data services network. This network works faster than Active Directory and gives Inaya
complete control of the assistant.
d. Use whois, that way Inaya can always see what the new assistant is up to.
ANSWER: b
18. Ansel needs to decide which network model to use. He has 15 employees starting, and they will need to
share resources. They also have a security concern due to the nature of their business. Which network model
would be best for Ansel's company?
a. peer-to-peer network
b. client-server network
c. workgroup network
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Multiple Choice
1. Networks were developed to facilitate communication between computing devices. However, there is a goal
beyond this. What is it?
a. communication between devices
b. communication between people
c. communication between networks
d. communication between hosts
ANSWER: b
2. Jerry has a computer that continues to slow down when he uses multiple programs. He finds that information
is temporarily saved on his hard drive while working. How could Jerry keep this situation from happening in the
future?
a. Install a faster hard drive.
b. Install more memory.
c. Install 64-bit programs instead of 32-bit programs.
d. Install a better keyboard.
ANSWER: b
3. How many gigabytes are there in four terabytes?
a. 1000 GB
b. 2000 GB
c. 3000 GB
d. 4000 GB
ANSWER: d
4. What is the difference between the central processing unit and the graphics processing unit?
a. The GPU (graphics processing unit) is a computer component that interprets and executes
instructions in a computer program or application such as a word processor or web browser, and the
CPU (central processing unit) takes a high-level instruction such as "draw a circle" and performs the
math calculations needed to draw the circle on the display device.
b. The GPU is only a backup of the CPU and takes the load off the CPU whenever the CPU is
overtaxed.
c. The CPU (central processing unit) is a computer component that interprets and executes instructions
in a computer program or application such as a word processor or web browser, and the GPU takes a
high-level graphics instruction such as "draw a circle" and performs the math calculations needed to
draw the circle on the display device.
d. The CPU is only a backup of the GPU and takes the load off the GPU whenever the GPU is
overtaxed.
ANSWER: c
Page 1
,Name: Class: Date:
Chapter 1 - Introduction to Computer Networks
5. Alicia is getting a new touch screen monitor. She tells her friend Jennifer that monitors are great input
devices. Jennifer says to their friend, Alicia, that she is wrong. Why is Alicia wrong?
a. A touch screen monitor can be both an output device and an input device.
b. A touch screen monitor is only an output device.
c. A touch screen monitor is only an input device.
d. Alicia is wrong, there is no such thing as a touch screen monitor.
ANSWER: a
6. Elijah is currently interning at Dua Corporation. His supervisor asked him about the four-tier model of
network communications and challenged him to arrange the tiers in the correct order. Unfortunately, Elijah
couldn't remember the sequence. Can you help him recall the correct order of the four tiers?
a. Network client software, Network interface, User application, Network protocol
b. User application, Network protocol, Network client software, Network interface
c. User application, Network client software, Network protocol, Network interface
d. Network interface, User application, Network protocol, Network client software
ANSWER: c
7. Cyrus works for a small company that has all of its computers in one location. He is setting up his network.
What type of network is it?
a. local area network (LAN)
b. wide area network (WAN)
c. personal area network (PAN)
d. campus area network (CAN)
ANSWER: a
8. Mable works for a mid-size company with offices in several locations across the state. What type of network
is this considered?
a. local area network (LAN)
b. wide area network (WAN)
c. metropolitan area network (MAN)
d. campus area network (CAN)
ANSWER: b
9. Beatrix works for a city government, and they want to put a new network up for a city park. What type of
network is this called?
a. local area network (LAN)
b. wide area network (WAN)
c. metropolitan area network (MAN)
d. campus area network (CAN)
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,Name: Class: Date:
Chapter 1 - Introduction to Computer Networks
ANSWER: c
10. Dante works for a school that just received a grant to install a network covering the entire school grounds.
What is this network called?
a. local area network (LAN)
b. wide area network (WAN)
c. metropolitan area network (MAN)
d. campus area network (CAN)
ANSWER: d
11. Debbie is assembling a network for office use only. What type of network is that?
a. Intranet
b. Internet
c. Extranet
d. Extantnet
ANSWER: a
12. Estella is working on a new network. Her company originally had only one office locally. Now, she has
three offices in three different cities, so multiple routers and switches must be programmed. These LANs are all
tied together. What is the specific term used to describe this network?
a. wide area network
b. local area network
c. internetwork
d. extranet
ANSWER: c
13. A packet is about to traverse a network, and there are several things that need to be added to it for the packet
to move. One of these is the IP address. If there is a problem with the IP address, what happens?
a. The packet cannot be delivered.
b. The packet will still traverse the network and get to the proper recipient.
c. A trailer cannot be added to the packet.
d. Encapsulation cannot happen.
ANSWER: a
14. Angel is talking with a new employee about client systems and the software mainly designed to access
network resources. What type of client is she talking about?
a. client software
b. client computer
c. client networking
Page 3
, Name: Class: Date:
Chapter 1 - Introduction to Computer Networks
d. client operating systems
ANSWER: d
15. Celia recently had a wireless insulin pump added to her body. Her doctor told her she needed to be sure she
had a LAN at home so they could monitor her glucose levels. However, the only thing Celia has at home is a
laptop connected to the internet and her phone. The doctor didn't realize that the device could be monitored
anytime and anywhere, so a LAN was unnecessary. How can the device be monitored without a LAN?
a. The device is Bluetooth-enabled so that she can add it to her phone. Her glucose levels can then be
monitored using her phone's network.
b. The device has its own LAN.
c. The device is wireless and can connect to her home's wireless router.
d. She had to buy a LAN.
ANSWER: a
16. Brennan is concerned that the server that he is using for his network may die unexpectedly. Some of the
newer software can switch between servers if one goes offline. What is that capability called?
a. duopoly
b. multi-tenancy
c. redundancy
d. round robin
ANSWER: c
17. Inaya is a network administrator. Currently, she is running several servers with several types of directory
services. Her boss comes in and tells her he has a new assistant and needs the assistant to have access to
everything. What would be the best way to add the assistant as quickly as possible?
a. Add the assistant into each directory service as needed. This will allow Inaya to control what services
they have access to.
b. Use Active Directory. This directory service allows an administrator to make user groups to which
employees belong. Each category of employee has rights to specific services. The new assistant will
get the rights to services that all assistants get.
c. Use the data services network. This network works faster than Active Directory and gives Inaya
complete control of the assistant.
d. Use whois, that way Inaya can always see what the new assistant is up to.
ANSWER: b
18. Ansel needs to decide which network model to use. He has 15 employees starting, and they will need to
share resources. They also have a security concern due to the nature of their business. Which network model
would be best for Ansel's company?
a. peer-to-peer network
b. client-server network
c. workgroup network
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