They asked me to explain how I would troubleshoot and resolve a major infrastructure outage affecting multiple servers — focusing on my diagnostic steps, communication during downtime, and preventive measures afterward.
Network Technology Interview Questions
8,190 network technology interview questions shared by candidates
How would you determine the closest BGP routing adjacency?
What are the tools you normally use to Troubleshoot a Network Problem ? Describe the IPSEC negotiation steps. Port Numbers for different Protocols.
when you type google.com, the networking behind it and ping command - flow of the data packets when you use ping cmd.
How would you handle conflicting directives from two managers?
Dns in depth like troubleshooting, load balancers
Basic CCNA stuff like OSPF, EIGRP, Subnets, STP
Most were straight forward. Questions on OSPF Area Backbone, DHCP, Subnetting were asked during the HR. During the interview with CTO, he was asking stuff about telnet and SSH, ARP and Routing table scenarios and also configuration of cisco routers/switches commands.
They asked me about a shadowing experience I did for an IT department. They asked what a normal workday looks like and what type of problems I had to solve.
Hypothetical network planning scenarios
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