Bruce Is a New Network Consultant and Is Designing a New

question 57

Multiple Choice

Bruce is a new network consultant and is designing a new network for a small business. Bruce sees that the business will have a mail server behind a firewall. What port needs to be open on the firewall for the server to send and receive email outside the local network?

• A)Port 25
• B)Port 110
• C)None, mail servers do not use ports
• D)Port 3389

---

Definitions:

Oval Window

is a membrane-covered opening at the base of the stapes bone in the middle ear that transfers sound vibrations from the middle ear to the cochlea of the inner ear.

Eardrum

A thin membrane that separates the outer ear from the middle ear and vibrates in response to sound waves.

Apex

The tip or highest part of something, often referring to the peak or summit.

Frequencies

Frequencies refer to the number of times a wave-like signal repeats itself in a specific period, measured in Hertz (Hz), commonly associated with sound waves, electromagnetic waves, and other periodic phenomena.