Exam 9: Communications and Networks

Communication software usually is bundled with the operating system or purchased network devices.

Sometimes a company uses a(n) ____________________, which allows customers or suppliers to access part of its intranet.

Critical Thinking Questions Case 1 You have taken a new job as a network administrator. Although you have been an IT professional within your organization for a number of years, this particular responsibility is a new one for you, so you have been studying network topologies, for example. If you are charged with setting up a network for your team and there is one device whose reliability you are concerned about, which of the following network topologies is a bad idea for you?

____ is a category of cellular transmission that transmitted analog data.

A(n) ____ is a navigation system that consists of one or more earth-based receivers that accept and analyze signals sent by satellites in order to determine the receiver's geographic location.

A ____ is a network that connects computers and devices in a limited geographical area, such as a home, school computer laboratory, or office building.

A(n) ____________________ defines guidelines that specify the way computers access the medium to which they are attached, the type(s) of medium used, the speeds used on different types of networks, and the type(s) of physical cable and/or the wireless technology used.

____________________ is a software application that helps groups of people work together on projects and share information over a network.

Discuss fiber-optic cable, including its advantages and disadvantages.

Most businesses use a standard, such as ____, that defines how data transmits across telephone lines or other means.

DSL ____.

Although ____ are not a type of standard telephone line, they are very popular ways for the home user to connect to the Internet.

A database server is a dedicated server that ____.

Some messaging services use the term ____________________ to refer separately to the capability of sending video clips.

____ is a newer network standard developed by IEEE that specifies how wireless devices communicate over the air in a wide area.

The most popular T-carrier line is the ____.

In a networked environment, each computer on the network has access to hardware on the network.

The risk to a bus network is that ____.

____ allows users to send graphics, pictures, video clips, and sound files, as well as short text messages to another smart phone, PDA, or computer.

Each token ring network has several tokens.