The ________ is the main workspace and displays the current slide

Which of the following cannot be prevented through firewall, antivirus, antispyware, antigrayware, encryption, and domain authentication techniques?

A) Spamming B) Social engineering C) Physical attacks D) Denial of service attacks

Text enclosed in /* */ in a C program _________.

a. gives instructions to the processor b. declares memory requirements c. makes files available d. causes a syntax error e. is ignored by the C compiler