In order for a company to be secure, it has to set up a mechanism to ensure that its workforce is, and remains, trustworthy.

When should base class members be declared protected?

a. When all clients should be able to access these members. b. When these members are used only by member functions of this base class. c. When these members should be available only to derived classes (and friends), but not to other clients. d. The protected access specified should never be used.

What command would a Vim user enter to undo a text editing mistake?

A. undo B. s C. Ctrl+z D. u