WhiWhich of the following provides bounds checking?

We cannot always return by reference because:

A. we might be returning a local object, which would be destroyed at the end of function execution B. we might not want changes in the object of the called function to be reflected back to the calling function C. the address of the returned object might not be known D. the name of the object is not always permanent

The Physical Layer of the OSI Reference Model dictates how the information is to be sent.

a. true b. false