Interview questions (100)
🌐 Networking (25 Questions) What is the difference between a hub, switch, and router? Explain the OSI model and its layers. What is the difference between TCP and UDP? Define IP address classes. What is subnetting and why is it used? Explain DHCP and its purpose. What is DNS and how does it work? Difference between public and private IP addresses. What is NAT and why is it important? Explain VLANs and their benefits. What is the difference between static and dynamic routing? What is a default gateway? Explain ARP and its role in networking. What is the difference between IPv4 and IPv6? What is bandwidth vs. latency? Explain the concept of packet switching. What is a firewall in networking? What is a proxy server? Explain load balancing. What is QoS (Quality of Service)? What is a MAC address? Explain the difference between LAN, WAN, and MAN. What is a VPN and how does it work? What is port forwarding? Explain the difference between symmetric and asymmetric encryption in networki...