IPSec VPN
Tac Engineer Interview Questions
132 tac engineer interview questions shared by candidates
Daya to day responsibilities Problem solving questions based on real time scenarios
Technical questions- range from everything layer 1, 2 and 3 basics. Linux related basics Any behavioural questions relating to team work.
All from technical Network concepts, to softskills
Questions on Layer 2 and Layer 3 Protocols Troubleshooting questions on Services based on L2/L3 devices Questions on the DHCP , DNS protocols, Flow of messages, some troubleshooting questions on same VPN related questions
I don't remember the questions but prepare the basics of networking and know the current affairs in the cybersecurity field.
basic of networking, SSL IPSec
The interview was completely ridiculous for what was supposed to be an entry-level position. They grilled me on super advanced networking scenarios that even their own team clearly didn't understand. I'm talking about complex packet-level troubleshooting and network design questions that would be unreasonable even for senior engineers.
Explain how SIP handles NAT traversal. What role do STUN, TURN, and ICE play in this process? In SIP, what is the difference between a re-INVITE and UPDATE message? How does SIP forking work, and how is call state maintained across multiple endpoints? Can you explain RTP vs SRTP? How is encryption managed in real-time media streams? What mechanisms can be used in SIP to prevent toll fraud? How would you troubleshoot one-way audio issues in a SIP call flow? Explain SIP REGISTER, INVITE, and BYE message flows with detailed headersExplain how Python’s Global Interpreter Lock (GIL) affects multi-threaded applications. What’s the difference between synchronous, asynchronous, and multiprocessing in Python? How would you parse and analyze SIP packets using Python? Can you explain Python decorators and give a real-world use case in VOIP automation? What’s the difference between deep copy and shallow copy in Python objects? How would you design a Python script to monitor SIP call quality using RTP statistics (jitter, latency, packet loss)? How do you optimize Python code for low latency in real-time communication systems?
Working of a DHCP server
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