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What signal is commonly used to handle process interruption in Unix systems?

SIGINT is used for interrupt signal.

SIGTERM for termination request.

SIGKILL for forced termination.

SIGHUP for hangup detected.

How does a custom error handler function in JavaScript environments?

Event listeners on signals.

Using try-catch blocks for errors.

Asynchronous promise rejections.

Global error event handlers.

In Python, what is the primary method to create a custom signal handler?

OS module for system signals.

Using the signal module functions.

Threading for signal capture.

Exception raising mechanisms.

What role do signals play in custom error handling in C programming?

Loop control structures.

Function pointer callbacks.

Direct memory management.

Signals interrupt and handle errors asynchronously.

Which technique combines signals with custom error handlers in web servers?

Event-driven architecture for errors.

Polling mechanisms.

Database transactions.

Static code analysis.

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