What is the potential number of IPv4 addresses available?

The __________ is the human with overall responsibility for setting the security policy of the organization, and, thus, for decisions about deploying and configuring the IDS

Fill in the blank(s) with the appropriate word(s).

Which of the following is a real-time Internet communications service that notifies users when one or more people are online and then allows them to exchange messages or files or join a private chat room?

A. Wikispace B. Chattalk C. IM D. Communispace