This website contains networking interview questions which are focused on different areas on Computer networking and security. The questions in the website are provided with detailed explanation and is a must read for candidates aspiring for an interview.

Top Networking Interview Questions

How does an IP packet travel between two PC’s connected to a switch
How does a router process a frame
How does a packet travel across the internet
What is the difference between tagged and untagged vlan
What is filtering on a switch
What is the difference between unicast and broadcast traffic
How to remote desktop to a computer behind a router or firewall
What is the main difference between TCP and UDP
How to remote connect to a pc on the internet using a name
What happens when you ping a website
Can the default gateway and DNS server be the same IP address
What is the difference between NAT and Proxy server
What is the difference between NAT and PAT
What is the difference between inbound and outbound access list
Does unable to ping imply that the device is down
How does VPN’s work
How is an IP packet routed on the internet.
How are ipsec vpn packets routed
How does dhcp clients differentiate between multiple dhcp offers
Why is internet unavailable after VPN connectivity
How does an application know as to which protocol is to be used at the transport layer
Why does NAT have issues with FTP
When is the TCP 4 way handshake initiated
How does ARP work
How does ping work
How does VLANs workK
How does traceroute work
How does an IP packet prevent looping
Can dhcp packets be sent on TCP
What is the difference between flooding and broadcasting
What is the difference between hub and switch
What is native vlan
How does ARP work in VLAN environment
How does a packet travel through the internet and comes back