Module 8 - Computer and Network Security

What is the primary goal of computer security?

• To reduce software costs

• To increase internet speed

• To protect data and thwart hackers

• To enhance user experience

What does confidentiality in security refer to?

• Providing user authentication

• Guaranteeing data integrity

• Preventing unauthorized use or disclosure of information

• Ensuring data is available to all

Which of the following is a mechanism for authentication?

• Data encryption

• Firewalls

• Passwords

• Network monitoring

What is a threat in the context of security?

• A successful attack on a system

• A person or event posing danger to an asset

• A security measure implemented

• A type of software vulnerability

What type of attack involves unauthorized access to an asset?

• Modification

• Interception

• Interruption

• Fabrication

Which of the following describes a Denial of Service (DoS) attack?

• Eavesdropping on communications

• Accessing confidential information

• Crashing a server

• Modifying data in transit

What is the purpose of access control?

• To encrypt sensitive data

• To monitor network traffic

• To determine and enforce who can access resources

• To enhance system performance

What does non-repudiation ensure?

• Data is always available

• Data integrity is maintained

• Unauthorized access is prevented

• Users cannot deny their actions in communication

Which of the following is NOT a category of attack?

• Interruption

• Interception

• Modification

• Encryption

What is a Trojan horse in computer security?

• A method of data encryption

• A hidden malicious instruction in a useful program

• A self-replicating program

• A type of firewall