System Administrator 2026 — MCQs City

System Administrator 2026

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A non blocking system call _________________

A. Halts the execution of the application for an extended time
B. Does not halt the execution of the application
C. Does not block the interrupts
D. None of the mentioned

An asynchronous call ____________

A. Returns immediately, without waiting for the i/o to complete
B. Does not return immediately and waits for the i/o to complete
C. Consumes a lot of time
D. Is too slow

Buffering is done to ____________

A. Cope with device speed mismatch
B. Cope with device transfer size mismatch
C. Maintain copy semantics
D. All of the mentioned

Caching is ________ spooling.

A. Same as
B. Not the same as
C. All of the mentioned
D. None of the mentioned

Caching ____________

A. Holds a copy of the data
B. Is fast memory
C. Holds the only copy of the data
D. Holds output for a device

Spooling ____________

A. Holds a copy of the data
B. Is fast memory
C. Holds the only copy of the data
D. Holds output for a device

The ________ keeps state information about the use of I/O components.

A. Cpu
B. Os
C. Kernel
D. Shell

The kernel data structures include ____________

A. Process table
B. Open file table
C. Close file table
D. All of the mentioned

Windows NT uses a __________ implementation for I/O.

A. Message ? passing
B. Draft ? passing
C. Secondary memory
D. Cache

A ________ is a full duplex connection between a device driver and a user level process.

A. Bus
B. I/o operation
C. Stream
D. Flow

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