Question 1

The method of slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations is called:

Accepted Answer

A)   multiplexing.
B)   packet switching.
C)   packet routing.
D)   ATM.
E)   software-defined networking.F) C) and E)
G) B) and C)

Question 2

What are wireless sensor networks? How do they work and what are they used for?

Accepted Answer

Wireless sensor networks (WSNs) are netw...

Question 3

A ________ is special software that routes and manages communications on the network and coordinates networks resources.

Accepted Answer

A)   switch
B)   firewall
C)   server
D)   network operating system/NOS
E)   hotspotF) D) and E)
G) B) and C)

Question 4

An NOS must reside on a dedicated server computer in order to manage a network.

Accepted Answer

A) True 
 B)False

Question 5

A VPN:

Accepted Answer

A)   is an encrypted private network configured within a public network.
B)   is more expensive than a dedicated network.
C)   provides secure, encrypted communications using Telnet.
D)   is an Internet-based service for delivering voice communications.
E)   formats web pages with dynamic links to other documents.F) All of the above
G) A) and D)

Question 6

The Internet is based on which three key technologies?

Accepted Answer

A)   TCP/IP, HTML, and HTTP
B)   TCP/IP, HTTP, and packet switching
C)   Client/server computing, packet switching, and the development of communications standards for linking networks and computers
D)   Client/server computing, packet switching, and HTTP
E)   HTTP, Web 3.0, and the mobile platformF) A) and E)
G) A) and B)

Question 7

Fiber-optic cable is more expensive and harder to install than wire media.

Accepted Answer

A) True 
 B)False

Question 8

Circuit switching makes much more efficient use of the communications capacity of a network than does packet switching.

Accepted Answer

A) True 
 B)False

Question 9

Bandwidth is the:

Accepted Answer

A)   number of frequencies that can be broadcast through a medium.
B)   number of cycles per second that can be sent through a medium.
C)   difference between the highest and lowest frequencies that can be accommodated on a single channel.
D)   total number of bytes that can be sent through a medium per second.
E)   number of packets sent per minute over a medium.F) All of the above
G) A) and B)

Question 10

What service converts IP addresses into more recognizable alphanumeric names?

Accepted Answer

A)   HTML
B)   DNS
C)   IP
D)   HTTP
E)   URLF) A) and E)
G) A) and C)

Question 11

Which protocol is the Internet based on?

Accepted Answer

A)   TCP/IP
B)   FTP
C)   Packet-switching
D)   HTTP
E)   TelnetF) A) and E)
G) D) and E)

Question 12

Which of the following is a challenge posed by Wi-Fi networks?

Accepted Answer

A)   Lack of broadband support
B)   Connectivity issues with wired LANs
C)   Susceptibility to interference from nearby wireless systems
D)   High cost of infrastructure technology
E)   Size of access pointsF) A) and B)
G) A) and C)

Question 13

Instant messaging is a type of ________ service.

Accepted Answer

A)   mobile
B)   cellular
C)   email
D)   wireless
E)   chatF) A) and D)
G) C) and D)

Question 14

Blogs, wikis, and social networking sites were designed for individuals to communicate with each other. What uses do businesses have for these tools? Give specific examples.

Accepted Answer

Businesses can use these tools to reach ...

Question 15

Which process is used to protect transmitted data in a VPN?

Accepted Answer

A)   Tunneling
B)   PPP
C)   VOIP
D)   Packet switching
E)   HypertextF) A) and B)
G) B) and C)

Question 16

One or more access points positioned on a ceiling, wall, or other strategic spot in a public place to provide maximum wireless coverage for a specific area are referred to as:

Accepted Answer

A)   touch points.
B)   tunnels.
C)   hot points.
D)   wireless hubs.
E)   hotspots.F) A) and B)
G) A) and C)

Question 17

In Europe, and much of the world, the standard for cellular services is:

Accepted Answer

A)   GSM.
B)   LTE.
C)   Wi-Max.
D)   CDMA.
E)   IEEE.F) A) and E)
G) A) and D)

Question 18

Mobile search makes up approximately 10% of all Internet searches.

Accepted Answer

A) True 
 B)False

Question 19

Two computers using TCP/IP can communicate even if they are based on different hardware and software platforms.

Accepted Answer

A) True 
 B)False

Question 20

A network that covers entire geographical regions is most commonly referred to as a(n) :

Accepted Answer

A)   local area network.
B)   intranet.
C)   peer-to-peer network.
D)   metropolitan area network.
E)   wide area network.F) B) and E)
G) None of the above

Exam 7: Telecommunications, the Internet, and Wireless Technology

Circuit switching makes much more efficient use of the communications capacity of a network than does packet switching.

Correct AnswerverifiedShow Answer

A network that covers entire geographical regions is most commonly referred to as a(n) :

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An NOS must reside on a dedicated server computer in order to manage a network.

Correct AnswerverifiedShow Answer

The Internet is based on which three key technologies?

Correct AnswerverifiedShow Answer

Which of the following is a challenge posed by Wi-Fi networks?

Correct AnswerverifiedShow Answer

One or more access points positioned on a ceiling, wall, or other strategic spot in a public place to provide maximum wireless coverage for a specific area are referred to as:

Correct AnswerverifiedShow Answer

What service converts IP addresses into more recognizable alphanumeric names?

Correct AnswerverifiedShow Answer

What are wireless sensor networks? How do they work and what are they used for?

Correct AnswerverifiedWireless sensor networks (WSNs) are netw...View AnswerShow Answer

Blogs, wikis, and social networking sites were designed for individuals to communicate with each other. What uses do businesses have for these tools? Give specific examples.

Correct AnswerverifiedBusinesses can use these tools to reach ...View AnswerShow Answer

In Europe, and much of the world, the standard for cellular services is:

Correct AnswerverifiedShow Answer

Bandwidth is the:

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Instant messaging is a type of ________ service.

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Which protocol is the Internet based on?

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The method of slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations is called:

Correct AnswerverifiedShow Answer

Mobile search makes up approximately 10% of all Internet searches.

Correct AnswerverifiedShow Answer

Two computers using TCP/IP can communicate even if they are based on different hardware and software platforms.

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A VPN:

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Which process is used to protect transmitted data in a VPN?

Correct AnswerverifiedShow Answer

A ________ is special software that routes and manages communications on the network and coordinates networks resources.

Correct AnswerverifiedShow Answer

Fiber-optic cable is more expensive and harder to install than wire media.

Correct AnswerverifiedShow Answer

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Wireless sensor networks (WSNs) are netw...
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Businesses can use these tools to reach ...
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