Accessor functions and mutator functions are both examples of nonconstructor member functions.

Which of the following statements is FALSE?

A) Both tracing a formula and evaluating a formula are useful in understanding how a worksheet is structured. B) Excel finds and marks dependents with arrows on all the cells that supply values to the active cell. C) Formula-auditing tools show you which cells are used in a formula. D) Tracing formulas draws lines from a formula to cells that supply source data.

Discuss the extent to which the RPC style supported by protocol buffers enhances extensibility (especially the design decision to have one argument and one result).

What will be an ideal response?