Need help with this question please help it’s on c++

When running anti-virus software , what could be a reason where recipitent is not guaranteed that data being streamed will not get interrupted?

Consider the following statements, then select one of the answers below: the signal() function shown below registers "sig_handler()" as the signal handler function for the sigkill signal, without the complexity of using when the sigkill signal is sent to a process running this code, by a user typing "kill -kill ", where the correct process id is used for to target the process, sig_handler() will be executed.

10. when you create a pivottable, you need to specify where to find the data for the pivottable. is it true