Exam 14: Network Basics

What type of twisted-pair cabling provides a slow,reliable path for information at up to 10 Mbps?

A(n)_____ uses encryption to protect the confidentiality of all network transmissions between two endpoints.

Which of the following communications devices receives a radio signal,strengthens it,and then sends it on?

A single symbol or letter of text is stored using _____ byte(s).

A repeater is a device that receives a radio signal,strengthens it,and sends it on.

Which type of Internet connection slows down when more customers or computers are using it?

If you wanted to wirelessly connect more than one computer to share a cable Internet service in your home,what would you need?

Bluetooth is a standard for transmitting information in the form of long-range radio waves.

Which network device connects together separate networks of computers?

_____ is a security technology that encrypts each network conversation-between one network client and one server-individually.

A(n)_____ is two or more computers connected so that they can communicate with each other and share information,software,peripheral devices,and/or processing power.

What communications device connects your computer to a phone line so that you can access another computer or network?

A wireless access point is a device that allows computers to access a wired network using radio waves.

_____ allows you to access the Internet through your cable connection.

A MAN covers a contiguous geographic area,such as an office,building,or a group of buildings in close proximity to each other.

How long would it take to transfer a document containing 125,000 characters using a communications medium with a bandwidth of 2Mbps?

Computers and routers refer to each other using ____.

A _____ has a transmitter and a receiver for the bidirectional flow of information.

Bandwidth refers to the capacity,or the amount of information,that can be transferred through a communications line in a given time.

A padlock icon on a Web site tells you that information on the Web site is being routed through a VPN.