A capability ticket / entry provides access rights per resource.

In the Bell and Lapadula Model, which method of access control is the most restrictive?

Define Deadlock. What causes it?  How can it be resolved?

Name and briefly describe two semaphore operations.

An area in a program that must not be accessed by more than one process at a time is a __________ .

Define the term cache hit ratio. What would be considered a ‘good’ value for the CHR to have?

It is unsafe and/or undesirable to let a *nix (Unix, Linux, etc.) process catch and handle all possible signals sent to it.

Your boss is discussing error handling in an OS. He says that memory-related traps are considered more serious so are always handled ahead of (i.e., have priority over) lesser traps like arithmetic traps (e.g., divide by zero). Is he right? Why or why not?

Why was a diagnosis complicated in your episode?  

It is important not to overlook new or different symptoms.