Exam 9: Discovering Computers: Computer Security and Safety, Ethics, and Privacy

Once a Trojan horse is installed, its author can execute programs, change settings, monitor activity, and access files on the remote computer.

Wireless access poses additional security risks.

A fingerprint reader is an example of a biometric system, as shown in the accompanying figure.

A(n)____________________ program attempts to remove Internet junk mail like the kind shown in the accompanying figure before it reaches a user's inbox.

Most systems require that users select their own passwords, to be entered in forms such as the one shown in the accompanying figure.

A person breaking into a computer laboratory and smashing computers is an example of hardware ____________________.

Explain three safeguards you can use to improve the security of wireless networks, in addition to the use of firewalls like those shown in the accompanying figure.

A DoS attack is a technique intruders use to make their network or Internet transmission appear legitimate to a victim computer or network.

Discuss what a virus and related examples of malware are.Include definitions of the term payload, and a discussion of how a virus delivers a payload in your answer.Also discuss the symptoms of a computer's having been infected with a virus.

Electrical power variation is one of the least common causes of system failure.

Any illegal act involving a computer generally is referred to as a ____.

Many systems implement access controls using a two-phase process called ____.

To access a wireless network, perpetrators must be in the range of the wireless network.

A(n)____________________ is a program that hides within or looks like a legitimate program.

Shrink-wrapped software from major developers does not need to be scanned for infections.

The substitution encryption method switches the order of characters.

As shown in the accompanying figure, many Web sites require a user to enter a user ____, which is a unique combination of characters, such as letters of the alphabet or numbers, that identifies one specific user.

With a license agreement, like the one shown in the accompanying figure, the user becomes the owner of the software.

____________________ is a scam, similar to phishing, where a perpetrator attempts to obtain your personal and financial information, except they do so via spoofing.