Exam 18: Computer and Network Security Threats

One type of attack on the security of a computer system or network that impacts the availability of a system (e.g.destruction of a resource in the system)is referred to as:

Of the three classes of intruders into computer systems and networks,the clandestine user is typically:

An encrypted virus can only be triggered after an external software program is triggered to decrypt the virus.

Traffic analysis is an active attack.

Most viruses carry out their work in a manner that is specific to a particular operating system.

A virus can be prepended or postpended to an executable program,or it can be embedded in some other fashion.

The type of attack on communications lines and networks known as traffic analysis belongs to the general category of:

A backdoor is the same as a trapdoor.

A logic bomb is a useful,or apparently useful,program or command procedure containing hidden code that,when invoked,performs some unwanted or harmful function.

Data confidentiality assures that individuals control or influence what information related to them may be collected and stored.

The primary mechanism used in implementing denial-of-service attacks is the:

Which of the following statements is generally true regarding the original class of email viruses:

A virus can be attached to a program by:

A macro virus is a larger and more self-contained than an ordinary virus.

A worm is a program that can replicate itself and send copies from computer to computer across network connections.

Important objectives of computer security include:

A stealth virus is explicitly designed to hide itself from detection by antivirus software.

A secret entry point into a program that allows intruders aware of the breached area to gain access and bypass the usual security access procedures is called a:

The stage of a virus where it is activated to perform the function for which it was intended is referred to as the:

Which of the following statements regarding macro viruses is true: