What is a threat in the context of system security?

• A harmless event with no impact on a system

• Any circumstance or event with the potential to adversely affect a system

• A positive change in system performance

• An improvement in data security

What does spoofing involve?

• Modifying data on a disk

• Pretending to be something or someone other than yourself

• Claiming responsibility for an action

• Providing authorized information

What is the purpose of a Distributed Denial of Service (DDoS) attack?

• To improve system performance

• To involve multiple computers sending requests

• To enhance user access

• To secure data from unauthorized access

What is data destruction?

• The process of creating backups

• The process of destroying data so it is completely unreadable

• The process of encrypting data

• The process of sharing data securely

What is an inside attack?

• An attack initiated by an outsider

• An attack initiated by an insider within a security perimeter

• An attack that occurs outside the network

• An attack that enhances system security

What is social engineering primarily used for?

• Building secure networks

• Attacking information systems

• Developing software

• Enhancing user experience

What is spear phishing?

• A type of malware

• A type of phishing targeting specific groups

• A method to secure emails

• A software development technique

What is the main purpose of malware?

• To enhance computer performance

• To infiltrate or damage a computer system

• To create backup files

• To improve software usability

What is a boot-sector virus?

• A virus that affects only email systems

• A virus that resides in the first sector of a disk or USB drive

• A virus that enhances boot speed

• A virus that protects the boot sector

How does a worm differ from a virus?

• Worms require user intervention to replicate

• Worms do not require user intervention to self-replicate

• Worms are harmless

• Worms enhance system security