Which of the following is an example of a phishing attack?

• Overloading a computer system with more traffic than it can handle

• Sending junk email to millions of people

• Using phone calls to try to trick people into giving up user ID's and passwords

• Encrypting a users files and making them pay to regain access.

Which of the following values could be stored as a single bit.

• The temperature of a classroom in degrees Celsius

• A students full name

• A students GPA

• If a student is present or absent

Which of the following would cause output to be false

• Only When A is true

• Only When A is false

• It will always be false regardless of A's value

• It well never be false regardless of A's value

A programming language uses a fixed number of bits to store integers. A programmer discovers an error where 2 large positive numbers added together gives a negative number. What is the likely describes cause

• Syntax error

• Overflow error

• Absolute value error

• You have to use hexadecimal for large numbers.

Scientists run a computer simulation of an earthquake to test building safety. Which is LEAST likely to be an advantage of a computer simulation?

• It won't put real lives at risk

• It will likely save money

• It can be used to test multiple scenarios quickly

• It will provide a more accurate simulation than a real life test

Consider the two programs. What is true about the programs?

• They print the same values in different orders

• They print the same values in the same order

• They print the same number of values but different values

• A and B print different number of values.

A city government is attempting to reduce the digital divide between groups with differing access to computing and the Internet.

Which of the following actions is MOST likely to be effective in this purpose?

• Providing a way for citizens to vote online in local elections

• Providing free wireless Internet connections at locations in low-income neighborhoods

• Putting all government forms on the city Website

• Providing online basic computing classes for free

Which of the following can be represented by a sequence of bits.

I. An integer

II. A pixels color intensity

III. An alphanumeric character

• I only

• III only

• I and III only

• I, II, and III

Bandwidth is measured by ...

• megabyte rate

• byte rate

• bit rate

• gygabyte rate

An Internet attack that causes a server to crash by making repeated requests to the same IP address:

• DDoS (Distributed Denial of Service)

• Cache Poisoning

• DNS (Domain Name System) Hijacking

• Phishing