AnswersIntroduction to Information Technology - EL3701Unit Test

Network Basics Answers

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1
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Which of the following statements is true of WANs?

A
WANs do not cover very large areas.
B
WANs are not used often.
C
WANs can be as big as the Internet.
D
WANs are smaller than LANs.
2
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The letters LAN stand for LittleLarge✔ LocalLowArea Network.

A
Little
B
Large
C
✔ Local
D
Low
3

Which of the following best describes the path of a network packet on the Internet?

A
sender, router 1, router 2, router 3, receiver
B
sender, router 1, receiver
C
sender, receiver, router 1, router 2
D
router 1, sender, router 2, receiver
4

✔ control informationgeolocation datapayload information

A
✔ control information
B
geolocation data
C
payload information
5

Which of the following are disadvantages of networks? Check all of the boxes that apply.

A
Network intruders can access all computers on a network.
B
Networks are costly to set up.
C
Setting up networks does not require special knowledge.
6

Which of the following statements describes the way networks are set up?

A
LANs are made up of LANs.
B
WANs are made up of WANs.
C
LANs are made up of WANs.
D
WANs are made up of LANs.
7

A hierarchical addressing scheme is used

A
to identify computers on the network.
B
to make it hard to send data.
C
to keep the network from failing.
D
to make addresses hard to find.
8

How are computers connected to one another?

A
through networks
B
through printers
C
through laptops
9

A network packet contains two kinds of information. What are they?

A
geolocation data and user data
B
control information and user password
C
control information and user data
D
geolocation data and user password
10

A client is

A
a computer that is disconnected from the network.
B
the same as a server.
C
a computer that requests a service.
D
a router.
11

Which of the following statements are true of network packets? Check all of the boxes that apply.

A
They contain control information.
B
They contain user data.
C
They are sent over a network.
D
They can travel indefinitely over the Internet.
12

Which of the following is the most common cause of network failure?

A
storms
B
equipment failure
C
human error
D
cable breakage
13

WAN stands for

A
Wireless Area Network.
B
Wide Area Network.
C
West Area Network.
D
World Application Network.
14

Which of the following statements is true of a hierarchical addressing scheme? Check all of the boxes that apply.

A
It includes different parts that represent the location of a computer or device on a network.
B
It presents numbers in a randomized format.
C
It is used for IP addresses.
15

Which of the following devices can be connected to a network? Check all of the boxes that apply.

A
printers
B
smartphones
C
typewriters
D
laptops
E
pencils
F
tablet computers
16

Which of the following is an example of a payload?

A
a user
B
an e-mail message
C
routing information
D
an envelope
17

Question text not available

Answers:
Routers know where to send a network packet because they read the contained in the packet. The is the information that a user wants to send. A(n) is an example of a payload.:control information
Routers know where to send a network packet because they read the contained in the packet. The is the information that a user wants to send. A(n) is an example of a payload.:payload
Routers know where to send a network packet because they read the contained in the packet. The is the information that a user wants to send. A(n) is an example of a payload.:e-mail message
18

headerrouter✔ payloaddata

A
header
B
router
C
✔ payload
D
data
19

envelope✔ e-mail message hard drivepacket

A
envelope
B
✔ e-mail message
C
hard drive
D
packet

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