Data encryption

Encrypting data means_____________.

• The type of site visitors should expect to see at the address, such as .com for commercial business sites, and .edu for educational sites.

• The scramble of the original data to hide the meaning of the text, while still making it possible for the data to be unscrambled using a secret key.

• The access point installed on a network without the network owner’s permission.

There are private data that people still exchange in the open system such as credit card number, bank information, password, and emails.

• True

• False

The process of unscrambling a message to make the text readable is called...

• Decryption

• Encryption

Caesar's cypher is an algorithm that substitute each letter in the original message with a letter a certain number of steps down the alphabet. The number that only the sender and the receiver know is called...

• Letter

• Key

• Password

Scrambling or changing a message to hide the original text it is called...

• Decryption

• Encryption

Code cracking means____________.

• Uncovering the original data without knowing the secret, by using a variety of clever techniques.

• Recovering the original data from scrambled data by using the secret key.

• Scrambling the data according to a secret key.

The two most common types of encryptions used in securing Internet communications are_______________.

• Symmetric encryption and public key encryption.

• Triple-DES (3DES), and Plain text

• Caesar Cipher, and Plain text