Ports and Protocols: how data actually moves

Every service on the internet uses a port.

👉 Topic:
https://www.certifyquiz.com/certifications/security-plus/network-concepts

👉 Certification:
https://www.certifyquiz.com/certifications/security-plus

🌐 Key ports you MUST know

• 80 → HTTP
• 443 → HTTPS
• 22 → SSH
• 53 → DNS
• 3389 → RDP

👉 In Security+, these are everywhere.

⚠️ Why ports are dangerous

Open ports = attack surface.

Hackers scan:

• open services
• weak configurations
• outdated protocols

🚀 Practice matters

Memorizing is useless without context.

👉 Train here:
https://www.certifyquiz.com/certifications/security-plus/network-concepts