Exam 6: Communications, Networks, and Cyberthreats: the Wired and Wireless World

Which of the following is NOT a type of long-distance wireless two-way communications device?

A ________ attack disables a computer system or network by making so many requests of it that it overloads it and keeps other users from accessing it.

What short-distance wireless standard is used to link portable computers and handheld wireless devices so they may communicate at high speeds at distances of 100-228 feet?

An interface device used to connect the same types of networks is called a node.

Which of these is NOT a network topology?

Signals such as sound and temperature,which continuously vary in strength and quality,are said to be digital.

How do analog and digital devices interpret electrical signals?

Infrared and microwave transmission signals cannot work around obstacles or travel in curved lines,so they are called _________.

Bluetooth is a short-range,wireless communications method for linking cellphones,computers,and some other peripherals up to distances of 33 feet.

What set of rules is used to link nearly all mobile devices to a telecommunications carrier's wireless network and content providers?

"File server" and "database server" are different names for the same type of server.

Which of the following is NOT an analog device?

A ________ network topology is one in which all microcomputers and other devices are connected in a continuous loop.

GPS satellites use Medium-Earth-Orbits.

A private intranet that allows access to selected outside users is a(n)________.

A ________ is a system of interconnected computers,telephones,or communications devices that can communicate and share resources.

In a network,communications protocols specify the type of electrical connections,the timing of message exchanges,and error-detection techniques.

What is the science,often used in computer security systems,of measuring individual body characteristics?

Analog cellphones were 1G phones.

The highest level that a satellite can occupy is the ________ earth orbit.