An administrator is setting up a new mail server on the network and wants to open necessary ports to allow POP3 protocol for mail delivery. Which of the following ports should be opened in the internal and external firewalls?

What term best describes any IP address or IP address range that has not been assigned to an IP address block?

A. Reserved address space B. Unmapped address space C. Mapped address space D. Blocked address space

A brute force function is a mathematical algorithm that generates a message summary or digest (sometimes called a fingerprint) to confirm message identity and integrity.

Answer the following statement true (T) or false (F)