Which file allocation method best supports dynamic file growth?
None of the above
Linked Allocation
Contiguous Allocation
Indexed Allocation
Which of the following is a major benefit of using caching in an operating system?
Increased disk space
Reduced latency for frequently accessed data
Simplified I/O operations
Elimination of data redundancy
Which resource is typically not virtualized?
Network bandwidth
Memory
Physical devices such as printers
CPU
What is the purpose of file attributes in an operating system?
To compress files
To execute files
To provide metadata about files
To create backups
Which method is not typically used for free space management?
Arrays
Grouping
Linked Lists
Bitmaps
In Linux, what does mounting a file system do?
Creates a temporary storage area
Initiates file access for fast loading
Deletes a file system from memory
Links a file system to a directory structure
Which of the following correctly defines a user-level thread?
A thread created by the user application and managed in user space.
A thread that is invisible to the user application.
A thread managed by the operating system kernel.
A thread that can only run on a single processor.
In monitors, when is a condition variable signaled?
When a resource is released.
When a condition for waiting threads changes.
When a waiting thread has completed its execution.
When a mutex is unlocked.
Which of the following is a downside of using containers compared to virtual machines?
Higher resource overhead
Limited scalability
Less efficient resource management
Increased security risks due to sharing the host OS kernel
What advantage does preemptive scheduling provide over non-preemptive scheduling?
It improves responsiveness in a multitasking environment.
It allows processes to run until completion without interruption.
It guarantees process completion.
It requires less CPU overhead.