Which of the following objects is a stream

Which module variable holds the resolved absolute path of the current module file?

If the child_process module methods are in scope, what is a current way to execute the command ps -ef using a child process?

Which console method can be used to print the stack trace to the point of its execution?

When you run JavaScript in a Node.js application, which of the following elements in a Node.js stack actually executes that JavaScript?

What is the purpose of the path module?

How do you start the node.js REPL?

Timer functions are built into node.js, you do not need to require() this module in order to use them.

Which of these is a built-in module that can be used for unit testing in Node.js?

What does the Zlib module provide?

True or False: node.js runs in a single thread.