When working with headers and footers, a field is a category of data, such as a file name, date, or page number

Which of the following are true for the CNAME record? (Select two.)

a. It is generally called an alias. b. It maps the MAC address on the Internet. c. It is the reverse of the A record. d. It is also called the canonical record.

A well documented Window's OS vulnerability was null sessions. What Windows operating system was the first to disable null sessions by default?

A. Windows Server 2012 B. Windows Server 2008 C. Windows Server 2003 D. Windows 8.1