1. Foundations

Security Principles — Quiz

Test your understanding of security principles with 5 practice questions.

Practice Questions

Question 1

Which security principle advocates using multiple, independent layers of defense to protect resources?

Question 2

A cloud provider issues temporary credentials with limited scope and a short expiration time for administrative tasks. Which security principle does this practice primarily support?

Question 3

A server system has a mean time between failures (MTBF) of 2000 hours and a mean time to repair (MTTR) of 10 hours. What is the system’s availability? Show your calculation.

Question 4

Which principle of secure system design states that systems should be configured with the most restrictive settings out-of-the-box, requiring explicit enabling of less secure options?

Question 5

Which cryptographic mode of operation provides both confidentiality and integrity assurance for data in transit?