Nginx Interview Questions and Answers (2026)
Nginx interview questions and answers: architecture, server blocks, location matching, reverse proxy, load balancing, caching, TLS and debugging.
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May 23, 2022
Internet and Web Technology Basics: Internet vs Web, URLs and DNS
Internet and web technology basics: the internet vs the web, URI vs URL, how DNS works, who governs the internet, and how a web page loads.
April 27, 2022
What Is an IP Address? IPv4 and IPv6 Explained
What an IP address is, how IPv4 and IPv6 work, binary conversion, address classes and CIDR, private ranges, IPv6 shortening rules and the key differences.
April 27, 2022
What Is a MAC Address? Format, Types and Why We Need It
What a MAC address is, its format and OUI, MAC address types (unicast, multicast, broadcast), MAC vs IP, how to find yours, randomisation and MAC spoofing.
April 27, 2022
Network Devices and Network Topologies Explained
Network devices and topologies explained: modems, NICs, hubs, switches, routers, gateways and firewalls, plus bus, star, ring, mesh and tree layouts.
April 27, 2022
What Are the Internet and Networking? A Beginner’s Guide
Internet and networking basics for beginners: what a network is, LAN, MAN and WAN, how the internet began, how data travels and key protocols.
April 26, 2022
Introduction to Kali Linux: A Guide for Beginners
Kali Linux for beginners: what Kali is, who uses it, its history, key features and tools, system requirements, how to install it safely and learn legally.
April 26, 2022
How to Install Nginx from Source on Rocky Linux, AlmaLinux and CentOS Stream
How to install Nginx from source on RHEL-family Linux: build tools, download and verify the source, configure modules, compile and run with systemd.
April 20, 2022
How to Install Nginx on CentOS Stream, Rocky Linux and AlmaLinux
How to install Nginx on CentOS Stream, Rocky Linux and AlmaLinux: install the package, open the firewall, manage the service and add server blocks.
April 20, 2022
How to Set Up an SSL Certificate for Nginx: Let’s Encrypt and OpenSSL
How to set up an SSL certificate for Nginx: free Let's Encrypt certificates with Certbot, self-signed certificates with OpenSSL, and a secure TLS config.
April 20, 2022