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Q 1Which of following command starts a REPL session?
The setInterval(cb, ms) global function is used to run callback cb repeatedly after at least ms milliseconds. The actual delay depends on external factors like OS timer granularity and system load. - A timer cannot span more than 24.8 days. This function returns an opaque value that represents the timer which can be used to clear the timer using the function clearInterval(t).
net.isIP(input) tests if input is an IP address. Returns 0 for invalid strings, returns 4 for IP version 4 addresses, and returns 6 for IP version 6 addresses.
Q 9 - Which of the following is true about exec methd of child_process module.
child_process.exec method runs a command in a shell and buffers the output. It returns a buffer with a max size and waits for the process to end and tries to return all the buffered data at once.
Q 10 - Transform stream is a type of duplex stream.
