Networking Fundamentals — Question 65

An Action Center alert recommends that you enable Windows Firewall.
After enabling the firewall, you can no longer access websites.
Which two TCP ports should you add exceptions for on the firewall? (Choose two.)

Answer options

• A. Port 21
• B. Port 23
• C. Port 25
• D. Port 80
• E. Port 443

Correct answer: D, E

Explanation

Ports 80 and 443 are crucial for web traffic; port 80 is used for HTTP and port 443 for HTTPS. The other ports listed (21, 23, and 25) are used for FTP, Telnet, and SMTP respectively, which are not required for standard web browsing.