Garden State Cyber - Unit 4.2 - Quiz

Scrambling data so that it is unreadable to anyone except those who know the trick to decoding it is...

• Cybersecurity
• Coding
• Cryptography
• Hieroglyphics

The data that has been encrypted is called...

• Algorithm
• Ciphertext
• Plaintext
• Code

This is a method of encryption in when the order of the letters is changed. Scytale cipher, in which a ribbon is wrapped around a cylinder is an example.

• Transposition
• Substitution
• Hieroglyphics
• Graphics

A historic cipher in which the alphabet is shifted left or right a given number of spaces.

• Julius Cipher
• Caesar Cipher
• Vigenere Cipher
• Enigma Cipher

A substitution cipher based on multiple alphabets and a system to switch between the them using a password. A table or chart is often used.

• Julius Cipher
• Caesar Cipher
• Vigenere Cipher
• Enigma Cipher

This is a technique used to solve substitution ciphers based on commonly used letters and words.

• frequency analysis
• guess and check
• polyalphabetic analysis
• encryption analysis

Using the simplest Caesar cipher, decode the following ciphertext. DZCFS

• STOCK
• BRAIN
• CYBER
• TESLA

One-time Pad uses a pre-shared key only once which makes this encryption method..

• Impractical
• Unbreakable
• Both A and B
• None of the above

The practice of hiding messages in an image or text is called...

• Bibliography
• Photography
• Chirography
• Steganography

The information about a file that is embedded in the file, such as date, location, size, etc

• metadata
• gigadata
• imagedata
• versiondata