N10-005 Question #637: Real Exam Question with Answer & Explanation

The correct answer is D: 80. Web browsing relies on two protocols: HTTP (Hypertext Transfer Protocol) on port 80 for unencrypted web traffic, and HTTPS (HTTP Secure) on port 443 for encrypted/SSL web traffic. Both must be open for users to access the full range of websites, as many modern sites redirect or s

Question

Lisa, a network administrator, needs to allow all websites to be accessible by the sales team for business purposes. Which of the following ports need to be enabled on the firewall? (Select TWO).

Options

A23
B25
C53
D80
E443

Explanation

Web browsing relies on two protocols: HTTP (Hypertext Transfer Protocol) on port 80 for unencrypted web traffic, and HTTPS (HTTP Secure) on port 443 for encrypted/SSL web traffic. Both must be open for users to access the full range of websites, as many modern sites redirect or serve exclusively over HTTPS. The other options are unrelated to web access: port 23 is Telnet, port 25 is SMTP (email sending), and port 53 is DNS (name resolution, not direct browsing access).

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