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Exam 11: Security and Ethics

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Question 1

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A worm is a memory-resident program that copies itself from one system to the next without requiring the aid of an infected program file.

A) True
B) False

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Question 2

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A macro virus infects data files,such as word processing documents and spread sheets,though newer versions now infect other program files as well.

A) True
B) False

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Question 3

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The immediate result of a worm is ____.

____ viruses infect data files.

Intrusion detection is an example of a strategy for improving system survivability based on knowledge gained from intrusions.

Two methods of active wiretapping are "between lines transmission" and "____."

A single computer without access to e-mail or the Internet is easy to protect and has a low risk of attack.

A virus is defined as a small program written to alter the way a computer operates,without the permission or knowledge of the user.

Some viruses are considered to be benign.

____ involve the use of graphics and a pattern of clicks using a touch screen,mouse,or other pointing device.

Intruders have been known to capture user passwords by using a ____ to replace the standard login program on the computer with an identical fake login that captures keystrokes.

Any vulnerability at the operating system level opens the entire system to attack.

A master boot record virus infects both the boot record and program files,making them especially difficult to repair.

The capability of a system to fulfill its mission,in a timely manner,in the presence of attacks,failures,or accidents is known as ____.

If a password consists of ten characters,it would take a human about 4.5 years to guess the password if the human makes one try each second.

A ____ server hides important network information from outsiders by making the network server invisible.

Spooling is a security threat that relies on cleartext transmission whereby the assailant falsifies the IP addresses of an Internet server by changing the address recorded in packets it sends over the Internet.

One popular authentication tool is Kerberos,a network authentication protocol developed as part of the Athena Project at MIT.

When nonsynchronized processes access data records and modify some but not all of a record's fields,it is called "accidental incomplete modification of data."

A firewall typically sits between a network and its individual computers.