Question: What does a web server use port 8 0 for, and what does it use port 4 4 3 for? a . For sending data;

What does a web server use port 80 for, and what does it use port 443 for?
a. For sending data; for receiving data
b. For secured transmissions; for unsecured transmissions
c. For communication with browsers; for communication with smartphones
d. For unsecured transmissions; for secured transmissions

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