A Bandai Namco interviewer asks you "Why Smart Pointers?" Please start your explanation with a code segment which properly demonstrates your points.+

Wireless communications is likely to be viewed as an essential part of an enterprise network infrastructure when: select one: a. mobile communication is needed b. communication facilities must be installed at low initial cost c. communication must take place in a hostile or difficult terrain that makes wired communication difficult or impossible d. the same information must be broadcast to many locations

To hide gridline when you display or print a worksheet

List a few alternative options and input and output over the standerd keyboard and monitor. explain their functioning in details.