NetworkingCâu 51 / 100
Which port number is the default for HTTP web traffic?
a.443
b.80
c.22
d.53
Giải thích
HTTP typically uses port 80 for unencrypted web traffic. Port 443 is used for HTTPS, the encrypted version. Knowing common port numbers helps in configuring firewalls and troubleshooting connectivity.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
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