Exam 14: Network Basics

_____ means that information can be obtained only by those authorized to access it.

An Ethernet card has a(n)_____ jack into which a network or crossover cable can be plugged.

A _____ is a bundle of copper wires used for transmitting voice or data communications.

Which type of Internet connection is limited to the distance between you and your phone company,generally about 3 miles?

A(n)_____ can protect availability of a network and prevent denial-of-service attacks.

A network that covers an urban area is called a ____.

Which of the following devices allows a computer to use radio waves to access a network?

A virtual private network establishes a dedicated network connection between two or more networks.

A direct link with a satellite is required for setting up a wireless network.

How is bandwidth measured?

Which of the following is a threat posed to the authenticity of information available on a network?

A _____ is an expansion card for a desktop computer or a PC card for a notebook computer that connects your computer to a network and provides the doorway for information to flow in and out.

Can your wireless access point connect to a network the same way wired computers do?

A modem is not required while using a cable Internet connection.

A switch is a device that connects multiple computers into a network in which multiple communications links can be in operation simultaneously.

____,or capacity of the communications medium,is the amount of information that a communications medium can transfer in a given amount of time.

_____ is a high-speed Internet connection using phone lines,which allows you to use your phone for voice communications at the same time.

How many bits would be required to store the word "bit"?

Wi-Fi (wireless fidelity,802.11 b or g)uses _____ transmissions.

_____ allows you to send voice communications over the Internet and avoid the toll charges that you would normally receive from your long-distance carrier.