An Administrator Is Setting Up a New Mail Server on the Network

question 598

Multiple Choice

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?

• A) 101
• B) 110
• C) 123
• D) 161

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Definitions:

Encoding

The method of transforming data into a format that can be retained in memory.

Retention

The ability to keep or hold information in memory, often discussed in the context of learning effectiveness.

Understanding

The ability to grasp the meaning, significance, or nature of something, often through insight, learning, or comprehension.

Perception

The method by which the sensations experienced at any given moment are interpreted and organized in some meaningful fashion.