An e-mail from your bank asks you to call the number on your card to verify a transaction

An e-mail from a merchant asks that you click on a link to reset your password

An e-mail from a utility company asks you to enter your date of birth and social security number for verification purposes

An e-mail indicates that you have won a large sum of money and asks you to enter your bank account number so that the money can be transferred to you

Making a purchase at an online store that uses public key encryption to transmit credit card information

Paying a bill using a secure electronic payment system

Reserving a hotel room by e-mailing a credit card number to a hotel

Withdrawing money from a bank account using an automated teller machine (ATM)

An attempt by a country to deny its citizens access to the Internet

An attempt to deny users access to a Web site's resources by flooding the Web site with requests from multiple systems

An attempt by one user to deny service to another user by posting material on a social network

An attempt by a user of the Internet to get private information from a secure database

The program can also be expressed as binary code, but will be more easily understood by humans when expressed in a higher-level programming language.

The program can also be expressed as binary code, which will reduce the likelihood of errors.

The program cannot be expressed as binary code, because binary code can only be used to represent data.

Some parts of the program can be expressed as binary code, but operations must be expressed using a higher-level programming language.

Public key encryption is an encryption method which relies on separate keys for encrypting and decrypting information.

Public key encryption is a highly secure encryption scheme that in which a single key is used by both the sender and receiver of the message.

Public key encryption makes use of certain types of problems which are easier for humans to solve than computers.

Public key encryption makes use of mathematical problems which no algorithm can be used to solve.

It displays the sum of a and b.

It displays the difference between a and b.

It displays the product of a and b

It runs in an infinite loop.

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The ability to limit access to information to a certain set of users

The certainty that information is accurate

The confirmation that a company will not sell your information to others

The reliability of access to information

II only

I and III only

I and II only

ii and III only

userPassword = "swordfish"

"swordfish"

userPassword != "swordfish"

userPassword ← INPUT