2ND TERM STEAM CAT 2025

Digital theft in Computer Security is described as ____________.

• the legal acquisition of digital information
• the unauthorized access and theft of digital information
• the process of securing digital data
• the sharing of digital information among users

Which of the following options is a strong password?

• password123
• 12345678
• qwertyuiop
• P@ssw0rd123!

Digital theft can be prevented by using ____________ for different accounts.

• the same password for all accounts
• no password at all
• passwords that are easy to guess
• unique passwords

What is another name for an exhaustive search attack?

Two-factor authentication adds an extra layer of _______.

• security
• authentication
• encryption
• verification

Caesar cipher is explained as ________.

• a type of transposition cipher
• a substitution cipher that shifts letters by a fixed number of places
• a method of encrypting images
• a technique for encoding numbers

What is the key in a Caesar Cipher?

• The key is a random string of letters.
• The key is the alphabet used in the cipher.
• The key is the number of positions each letter is shifted.
• The key is the original message itself.

In Caesar Cipher, If a plaintext is "DOG" and the key is 2, what is the ciphertext?

• DOG
• FQI
• FQJ
• EPI

_______ turns ciphertext back into plaintext.

What is the purpose of hashing in computer security?

• To create backups of sensitive information.
• To compress files for faster storage.
• The purpose of hashing in computer security is to ensure data integrity and protect sensitive information.
• To encrypt data for secure transmission.