A new firewall has recently been installed and several users are now unable to access the Internet. Which of the following ports is MOST likely being blocked?

The correct answer is C. 80. See the full explanation below for the reasoning.

Question

Options

A23
B25
C80
D110

How the community answered

(35 responses)

A
9% (3)
B
3% (1)
C
83% (29)
D
6% (2)

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