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

Worms,viruses,and Trojan horse are all malware.

A network that covers a city or a suburb is called a ________.

A network is a system of interconnected computers and communications devices that can communicate and share resources.

Communications signals represented in a binary format are said to be ________.

Because of the excellence of satellite technology,GPS location IDs are 100% accurate.

A ________ is a program that copies itself repeatedly into a computer's memory or onto a disk / flash drive.

Any device that is attached to a network is referred to as a ________.

The ________ is the range of frequencies that a transmission medium (channel)can carry in a particular period of time.

A Wi-Fi enabled laptop computer accesses the available network (say,at an airport)through an access point,which is connected to a land-based Internet connection.

A _________ is a network that connects computers to a network; data can be sent in both directions at the same time.

A virus is capable of destroying or corrupting data.

The short-range,wireless digital standard aimed at linking hand-held devices up to 33 feet apart is called ________.

"Modem" is short for modulate / demodulate.

Worms,viruses,Trojan horses,and rootkits are all types of programs called ________.

The frequency of an electromagnetic wave is the number of times the wave repeats,or makes a cycle,in a second.

A client-server network has a _________ computer,a central computer that controls the network; The devices connected to the network are called _________.

What is the process of altering readable data (plain text)into unreadable form to prevent unauthorized access?

The process of altering readable data into unreadable form to prevent unauthorized access is known as ________.

Routers join multiple wired and / or wireless networks commonly in offices and home offices.

All wired and wireless communications media use the electromagnetic spectrum of radiation.