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CYS 1212 Cybersecurity Design Principles: Fail-Safe Default

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CYS 1212 Cybersecurity Design Principles: Fail-Safe Default

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Questions and Answers

What is the primary goal of designing software systems to recover from failures?

To prevent all failures from occurring

To reduce software development costs

To optimize system performance

To minimize damage and ensure system safety (correct)

What technique can help catch and diagnose failures in software systems?

Exception handling and logging (correct)

Code refactoring

User feedback collection

Performance optimization

What is the default behavior of a fail-safe designed firewall if it fails or loses power?

Randomly blocking some traffic

Blocking all incoming traffic (correct)

Alerting the system administrator

Allowing all incoming traffic

What should an authentication system do if it fails?

Deny access to all users Signup and view all the answers

What is the consequence of a biometric scanner failing to read a user's fingerprint correctly in a fail-safe designed system?

Denying access to the user Signup and view all the answers

What is the purpose of a fail-safe default principle in software development?

To ensure system safety and security Signup and view all the answers

What type of system is an example of a fail-safe design?

All of the above Signup and view all the answers

What happens when a fail-safe designed system fails?

It defaults to a safe state to prevent further damage Signup and view all the answers

What is the benefit of using exception handling and logging in software systems?

Improved failure diagnosis and recovery Signup and view all the answers

What is the primary concern of a fail-safe design principle?

System safety Signup and view all the answers