The jacketing technique is used to ___________

• A. Convert a blocking system call into non blocking system call
• B. Create a new thread
• C. Communicate between threads
• D. Terminate a thread

Termination of the process terminates ___________

• A. First thread of the process
• B. First two threads of the process
• C. All threads within the process
• D. No thread within the process

Which one of the following is not a valid state of a thread?

• A. Running
• B. Parsing
• C. Ready
• D. Blocked

The register context and stacks of a thread are deallocated when the thread?

• A. Terminates
• B. Blocks
• C. Unblocks
• D. Spawns

Thread synchronization is required because ___________

• A. All threads of a process share the same address space
• B. All threads of a process share the same global variables
• C. All threads of a process can share the same files
• D. All of the mentioned

Reliability of files can be increased by _____________

• A. Keeping the files safely in the memory
• B. Making a different partition for the files
• C. By keeping them in external storage
• D. By keeping duplicate copies of the file

Protection is only provided at the _____ level.

• A. Lower
• B. Central
• C. Higher
• D. None of the mentioned

What is the main problem with access control lists?

• A. Their maintenance
• B. Their length
• C. Their permissions
• D. All of the mentioned

Many systems recognize three classifications of users in connection with each file (to condense the access control list).

• A. Owner
• B. Group
• C. Universe
• D. All of the mentioned

All users in a group get _______ access to a file.

• A. Different
• B. Similar
• C. Same
• D. None of the mentioned