Garden State Cybersecurity - Unit 4.1 - 4.2

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

• Cybersecurity
• Coding
• Cryptography
• Hieroglyphics

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 single on/off or 0/1 in a computer's transistor is known as a

• bit
• byte
• nibble
• hex

Which of the following is not a measure of the number of bytes in a computer?

• Kilobyte
• Megabyte
• Zilobyte
• Terabyte

The system which represents alpha-numeric data in a computers, such as A = 65 = 01000001 is called:

• Translator
• ASCII
• AARP
• NROTC

Which of the following is the base 16 number system?

• Binary
• Decimal
• Octal
• Hexadecimal

Convert the binary number 01101001 to decimal

Convert the binary number 00100100 to decimal

Convert the decimal number 75 to binary.

Which of the following is NOT a tool for steganography?

• Exif Viewer Tool
• Vigenere Table
• Hex Editor
• Photo Editing Software