Computer Security - Chapter 4

Front

What is the basis of protection in operating systems?

Back

Separation

Front

What does physical separation in operating systems refer to?

Back

Different processes using different physical objects

Front

What is the purpose of cryptographic separation?

Back

To conceal data and computations

Front

What does the term 'Isolate' refer to in operating systems?

Back

Processes running concurrently are unaware of each other

Front

What is the limitation of 'All-none Protection'?

Back

All of the above

Front

What are the three qualities used in user authentication?

Back

Something the user knows, Something the user has, Something the user is

Front

What are the difficulties associated with passwords?

Back

All of the above

Front

What is an exhaustive attack in the context of passwords?

Back

Trying all possible passwords

Front

What is the purpose of a digital signature?

Back

To verify the authenticity of a message