Cybersecurity Quiz

What is the main purpose of security in the context provided?

• To install viruses on computers

• To prevent unauthorized access and data alteration

• To gather data for identity theft

• To make data publicly available

What is one way hackers obtain data through deception?

• By offering free software updates

• By sending spam emails

• By phishing or using "bait"

• By creating strong passwords

What should you check to ensure you are not entering sensitive information on a spoofed website?

• The website's color scheme

• The beginning of the URL to verify the domain

• The number of advertisements on the website

• The speed of the website's loading time

Which of the following is NOT a recommended component for a strong password?

• Must contain a capital letter

• Must be the same as the user ID

• Must contain a number

• Must contain a special character

What is a Caesar Cipher?

• A cipher where each letter is replaced by a symbol

• A cipher where each letter is reversed in order

• A cipher where each letter is shifted the same amount

• A cipher that uses a single number to encrypt data

What is the key in a Caesar Cipher?

• The algorithm used to encrypt the data

• The password needed to decrypt the message

• The number of characters in the encrypted message

• The amount by which letters are shifted in the encryption

What is the main disadvantage of symmetric key encryption mentioned in the text?

• It is difficult to break

• It requires a digital handshake

• It can only encrypt messages, not decrypt them

• It requires both parties to have the key to encrypt and decrypt messages

According to the text, what makes public key encryption more secure than symmetric key encryption?

• It uses a longer key

• Only the person receiving the message has the decryption key

• It is based on the one-way function

• It always forces https over http

What is the purpose of TLS as described in the image?

• To create a digital signature

• To ensure secure online transactions

• To generate random substitution ciphering

• To break ciphers and decrypt messages

What is a one-way function, as defined in the text?

• A method to encrypt messages that can also be easily decrypted

• A function that is easy to compute in one direction but difficult in the opposite direction

• A type of digital signature

• A protocol used for secure connections on the internet