Cryptology Pre-Assessment

A Persian military agent once sent an important message by:

• Having his slave swallow it
• Having his slave hide the message in his clothes
• Tattooing it on his slave's head
• I do not know the answer

Caesar's code (Developed by Julius Caesar) involved:

• Moving the letters of the alphabet 3 spaces to the right
• Subsituting numbers for letters
• Using invisible ink
• I do not know the answer

What is cryptology?

• The art of writing and solving codes
• Writing in invisible ink
• Coding of Computers
• I do not know the answer

What was used extensively during the American Civil War to send secret signals across battlefields?

• Flags
• Invisible Ink
• Numbers carved into pistols and rifles
• I do not know the answer

When a Navajo code talker used the word "turtle" in a message, it meant:

• Jeep
• Tank
• Submarine
• I do not know the answer

Taking plain text and turning it into secret code is known as:

• Cipher
• Encryption
• Decryption
• I do not know the answer

Deciphering a secret code into the original text is known as:

• Cipher
• Encryption
• Decryption
• I do not know the answer

What is the difference between a code and a cipher?

• A code is a set of rules, while a cipher is a secret key
• A code is used for encryption, while a cipher is used for decryption
• A code is a secret message, while a cipher is a type of code
• A code is a way to hide messages, while a cipher is a way to encode messages
• I do not know the answer

What is a cipher?

• A secret code
• A way to encrypt messages
• A type of code
• I do not know the answer