9955

What is a key characteristic of a computer worm?

• It requires user interaction to spread.

• It attaches itself to a legitimate file or program.

• It can replicate and spread without user interaction.

• It encrypts files on a system

Which of the following is NOT a typical factor used in multi-factor authentication (MFA)?

• Something you know (e.g., password)

• Something you have (e.g., smartphone)

• Something you are (e.g., fingerprint

• Something you like (e.g., favorite color)

What is a common sign that a system may have been compromised?

• • A) Faster system performance

• • B) Unknown programs running

• • C) Normal network activity

• • D) Stable and frequent updates

How does a firewall primarily enhance network security?

• • A) By encrypting data sent over the network

• • B) By controlling incoming and outgoing network traffic

• • C) By performing regular system backups

• • D) By installing antivirus software

What is the primary purpose of a VPN (Virtual Private Network)?

• To encrypt data transmitted over public networks

• To increase internet speed

• To block access to certain websites

• To enhance computer performance

What is the role of a DNS (Domain Name System) server?

• To convert domain names into IP addresses

• To store browser history

• To block spam emails

• To update software automatically

Why is it important to regularly update software and operating systems?

• To improve system performance

• To prevent security vulnerabilities

• To increase electricity consumption

• To reduce storage space

Which practice is recommended for creating a strong, secure password?

• • A) Using the same password for multiple accounts

• • B) Including easily guessable information like birthdays

• • C) Using a combination of letters, numbers, and special characters

• • D) Keeping the password short and simple