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Exam 8: Communications and Networks

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Question 1

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_____ is the name of the process of converting from analog to digital.

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Question 2

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In a communication system, which among the following convert messages into packets that can travel across the communication channel?

A) Connection devices
B) Sending and receiving devices
C) Storage devices
D) Secondary devices

E) A) and C)
F) B) and C)

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Question 3

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WiMax stands for:

Which physical connection is the fastest?

Packetization refers to breaking information into small parts.

A(n) _____ is a private network within an organization that is designed to resemble the Internet.

Connection devices are the actual connecting or transmission medium that carries the message.

A(n) _____ is a private network that connects more than one organization.

A MAN is a network that is frequently used as links between office buildings that are located throughout a city.

A LAN set up for a household's personal use is called a(n) _____ network.

Modulation is the name of the process of converting from digital to analog.

In a peer-to-peer network, only the central host computer supplies the resources, the other computers request resources from this host.

One of the most dramatic changes in connectivity and communications in the past few years has been:

Using this type of communications channel, several users can simultaneously use a single connection for high-speed data transfer.

Network operating systems (NOS) control and coordinate the activities of all computers and other devices on a network.

Explain how intranets and extranets are useful in supporting communication in an organization?

Explain the difference between a client/server network and a peer-to-peer network.

A(n) _____ area network is a type of tiny, self-configuring wireless network that works within your immediate surroundings to connect cell phones to headsets, PDAs to other PDAs, etc.

A(n) _____ area network is a network where the nodes are in close proximity to each other.

This type of network topology does not use a specific physical layout.