Binary & Encoding
The system that uses only 0s and 1s to represent data?
What is binary code?
The amount of digits in the hexadecimal number system?
What is 16?
The practice of securing information by transforming it into unreadable formats
What is cryptography?
The practice of hiding information within other non-secret data
What is steganography?
CLI stands for
What is Command Line Interface?
This type of math helps translate electrical bits into human language.
What is binary math?
The hexadecimal value of the decimal number 10?
What is A?
A cryptographic method that uses the same key for both encryption and decryption
What is symmetric encryption?
Unlike encryption, this method of hiding information does not rely on a key.
What is steganography?
The command in Linux lists the files in a directory
What is ls?
The process of converting data into a specific format that computers can use, like ASCII
What is encoding?
Name one use for hexadecimal numbers in computing.
What is representing colors in HTML/CSS or memory addresses?
A type of cryptographic algorithm that is RSA.
What is an asymmetric algorithm?
Name one tool used for steganography.
What is Steghide or OpenStego?
One command to view the contents of a file in Linux.
What is cat, less, or more?
The key difference between encoding and encryption
What is encoding is for data storage and readability, while encryption is for security and protection?
The binary number 1010 in hexadecimal.
What is A?
Two common cryptographic algorithms used for encryption.
What are AES and RSA?
One common use of steganography in cybersecurity
What is hiding messages in images or audio files?
Write a basic shell script that creates a directory and navigates into it.
What is mkdir mydir && cd mydir?
Name one example of encoding used in computing.
What is Base64 or UTF-8?
Hexadecimal numbers used in encryption
What is representing keys or encoding data in ciphers?
How does cryptography help improve security?
What is by making data unreadable to unauthorized users, ensuring confidentiality?
You can extract hidden information from an image using steganography techniques.
What is by using steganography tools to decode the embedded data in the image?
Change file permissions using the CLI in Linux
What is the chmod command?