What is the term that describes the ratio of desired signal to undesired signal in the average power level of a transmission?

Identify thename:valuepair that includes a function name and its commands, which is used to add methods to a custom object.

A. var objName = {method: function() {commands}} B. var objName = {command.function() {method()}} C. var obj= {function() {commands}} D. var objName = {function:method() {commands}}

Define virtual private network.

What will be an ideal response?