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Exam 8: Information Security

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Question 31

Multiple Choice

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The ____ maintains a file of user IDs and corresponding passwords.

A) switch
B) router
C) operating system
D) firewall

E) A) and C)
F) C) and D)

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verified

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Question 32

True/False

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Sometimes the word cracker is used to denote those who break into someone else's computer.

A) True
B) False

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Question 33

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A(n) Trojan horse embeds itself within another program or file and when that program or file is activated, it copies itself and attacks other files on the system. _________________________

Any positive ____________________ is either a prime number or a number that can be written in a unique way as a product of prime factors.

Firewall software guards the access points to your computer, blocking communications to or from sites you don't permit. _________________________

The first line of defense against illicit use of, or threats to, computer resources and sensitive information is a strong ____ and authorization process.

Provide at least five examples of ways in which you can protect yourself from online threats.

A(n) ____ takes the password the user originally chooses, chops it up, and stirs it around according to a given formula.

A ____ cipher, also called a shift cipher, involves shifting each character in the message to another character some fixed distance farther along in the alphabet.

Explain what a denial-of-service attack is, including the terms DDOS and zombie army in your response.