Cleared technical but HRs are the worst,no response after sharing documents
Tac Engineer Interview Questions
174 tac engineer interview questions shared by candidates
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?
If a check engine light is flashing what does that indicate?
Technical Question about LACP PAcket Flow ?
what is the VPN? what is the certificate? what is the firewall in general?
First Round: Technical (C,C++,OS,Microprocessor related questions). Quants and Aptitude (General Quants questions). Second Round: General Discussion Topic - Effect of Diversity in a Company Third Round: Technical Interview - Asked questions based on your Resume. Asked in detail about the Projects, how they were implemented, design procedures, technologies used, and what was my part in the Project. He went on to say that TAC was highly customer oriented and tried to put me off by saying that I wasn't meant for this job ( Maybe, the Projects in my Resume tipped him off about my Software Development Skills). I handled it by talking about the impact of customer input and satisfaction, and how R&D was meaningless without customer input first. Fourth Round: HR Round Tell me about yourself. Do you have any questions ?
Working of a DHCP server
N queens problem.
why do you want to work as a networking support engineer ?
What would you r wok for Cisco
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