Most Important Networking Interview Questions for DevOps & Cloud Roles
🔹 Linux Networking – Basic to Advanced Questions ✅ Basic Level 1.What is the difference between IP address, Subnet mask, and Gateway? 2.How do you check your system’s IP address in Linux? (commands) 3.Difference between ifconfig and ip addr command. 4.How do you check active network connections in Linux? 5.What is the difference between TCP and UDP? Give examples. 6.How to test connectivity between two systems? (ping, telnet, nc). 7.What is the use of /etc/hosts file in Linux? 8.What is the difference between public IP and private IP? 9.How do you check open ports on a Linux system? ✅ Intermediate Level 10.What is the difference between switch, router, and bridge in networking? 11.What is DNS? How do you check DNS resolution in Linux? 12.Explain the difference between static IP and DHCP. 13.What is ARP? How to check ARP table in Linux? 14.What is the use of /etc/resolv.conf file? 15.How do you trace the path packets take to a destination? 16.What is netstat command? Why is it re...