Here are some basic networking interview questions often asked in interviews, along with their focus areas:
| Question | Focus Area |
|---|---|
| What is a network? | Basic understanding of networking |
| What are the different types of networks? | Network types (LAN, WAN, MAN, etc.) |
| What is the OSI model? | Networking models |
| Can you explain the TCP/IP model? | Protocol layers |
| What is the difference between TCP and UDP? | Protocol differences |
| What is a subnet? | Subnetting and IP addressing |
| What are the main functions of a router? | Routing and forwarding |
| What is a firewall? | Network security |
| Can you explain NAT? | Network Address Translation |
| What is DNS? | Domain Name System |
| What is DHCP? | Dynamic Host Configuration Protocol |
| What is an IP address? | Addressing and identification |
| What is a MAC address? | Hardware addressing |
| What are VLANs? | Virtual Local Area Networks |
| What is the purpose of a switch? | Switching and network segmentation |
These questions help assess a candidate's foundational knowledge of networking concepts and protocols.