Answer:
The answer is "Option a"
Explanation:
A method is a technique, that associated with both a message and an object. It includes information, behavior, and actions of an interface defining, how the object can be used, and wrong choices can be described as follows:
- In option b, It includes parameters in the method.
- In option c, It contains a parameter, that may be one or more.
- In option d, It contains one parameter also.
Usually a LAN (Local Area Network), but it's not a requirement. A WAN (Wide Area Network) would need to be used in a multi-campus setup.