Question

What is the purpose of authentication?
What is the difference between a strong and weak password?
What is multifactor authentication? How does this improve security?
What are three common types of identity that might be required in multifactor authentication?
What is the purpose of authorization? What are some example user roles and how might their access differ?
What is the purpose of accounting? What sorts of activity might be tracked in a system?
How does symmetric encryption work? Do both sender and receiver need to share a secret key in advance?
How does asymmetric encryption work? Do both sender and receiver need to share a secret key in advance? What keys are used to encrypt and decrypt data?
How is the identity of the server or receiver verified in public-key encryption? What is the role of a certificate authority?
What are some ways that viruses or malware can infect a computer?
What is the main purpose of spyware, ransomware, and adware? What other kinds of malware exist?
What is anti-virus software? Why is it important to keep anti-virus software installed and updated?
What does anti-virus software do when it finds a suspicious file?