What is a VPN and how does it work
· Networking
Understand VPN tunneling, encryption protocols, and when to use a VPN for privacy and security.
Category: Networking
45 questions in Networking.
What is the difference between HTTP and HTTPS
· Networking
Compare HTTP and HTTPS across security, performance, and SEO implications.
How to set up SSL/TLS certificates for a web server
· Networking
Secure web traffic with SSL/TLS certificates using Let's Encrypt, manual issuance, and server configuration.
What is software-defined networking (SDN)
· Networking
Explanation of SDN architecture, how it separates the control plane from the data plane, and why cloud providers and enterprises adopt it.
What is Anycast routing and when to use it
· Networking
Explanation of Anycast routing, how it differs from Unicast and Multicast, and why major DNS and CDN providers use it for global traffic distribution.
How to configure DNS for a web application
· Networking
Step-by-step guide to configuring DNS records for a web application including A records, CNAME, MX, and TTL settings.
How to implement load balancing strategies
· Networking
Overview of load balancing algorithms and strategies for distributing traffic across multiple servers to improve reliability and performance.
How to resolve IP address conflicts on a network
· Networking
Identify and fix duplicate IP addresses that cause connectivity drops and intermittent failures.
What are common network debugging tools in Linux
· Networking
Discover essential Linux commands for diagnosing connectivity, routing, DNS, and socket issues from the terminal.
How to capture and filter network traffic effectively
· Networking
Improve your packet capture workflow with precise filtering techniques for faster troubleshooting.