Lesson 5: Identity Theft Answers

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3

How many different 4-digit personal identification numbers are possible if no digit can be used twice?

A
1,000
B
5,040
C
9,000
D
10,000
4

Analyze the following computer password in terms of how secure it might be. Describe the criteria you use in determining its strengths and weaknesses.born2ski4evr!

Answer not available
7

Analyze the following computer password in terms of how secure it might be. Describe the criteria you use in determining its strengths and weaknesses.born2ski4evr!

Answer:

The strengths of the password are that it consists of 13 characters and uses letters, numbers and a special character. The weakness of the password is that it contains whole words.

11

A password is 4 characters long and must consist of 3 letters and one number. If letters cannot be repeated and the password must end with a number, how many possibilities are there?

A
175,760
B
158,184
C
156,000
D
140,400
12

A 7 character computer password is made up of 4 letters followed by 3 numbers. How many different passwords are possible?

A
333,135,504
B
358,800,000
C
456,976,000
D
78,364,164,096
13

Explain why it is wise to memorize your social security number.

Answer:

It is often necessary to provide your social security number on forms, such as applications. If you memorize it, then you do not have to carry it with you and risk losing it.

14

In the wrong hands, which of the following pieces of personal information would present the greatest risk for identity theft?

A
address
B
date of birth
C
mother’s maiden name
D
social security number

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