Tejas Networks R&D Engineer Interview Questions and Answers for Experienced

Q1. 1 ospf broadcast domain broken into 2 and back to 1, how DR and BDR election will work.
Ans. 
When an OSPF broadcast domain is broken into 2 and then back to 1, the DR and BDR election process will be triggered again.
• When the broadcast domain is split, each segment will have its own DR and BDR elected based on priority and router ID.

• When the broadcast domain is merged back into one, a new DR and BDR election will take place among all routers in the domain.

• The election process considers the priority value set on...read more
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Q2. How l2vpn, vpls, vpws work
Ans. 
L2VPN, VPLS, and VPWS are technologies used in networking to provide virtualized Layer 2 connectivity.
• L2VPN (Layer 2 Virtual Private Network) is a technology that allows for the extension of a Layer 2 network over a Layer 3 network.

• VPLS (Virtual Private LAN Service) is a type of L2VPN that connects multiple sites in a single bridged domain.

• VPWS (Virtual Private Wire Service) is a point-to-point L2VPN service that provi...read more
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15 questions from DSA and SQL

3 medium level coding questions

Q1. Started with discussion about my back life and what I learnt in college. He gave me a real life scenario for a Data structure question. I have to somehow choose the best data structures which can be implem...read more
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Q1. This was a telephonic interview. I was outside in the market. Someone called me and asked, "Hello, yesterday you gave an interview, how was it?". Me: "which, tejas networks" She: Yes Then she asked what wa...read more
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Q1. Ospf, bgp, mpls, isis
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Q2. Stp lag python lldp
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Q3. Salary past experience
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Q4. What is different types of networkinfg devices
Ans. 
Different types of networking devices include routers, switches, hubs, modems, access points, and firewalls.
• Routers: Used to connect multiple networks together and route data between them.

• Switches: Used to connect devices within a network and manage traffic efficiently.

• Hubs: Used to connect multiple devices in a network, but they operate at a lower level than switches.

• Modems: Used to modulate and demodulate digital dat...read more
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Q5. Aptitude question
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Q1. Asked about Projects relevant to industry
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Q2. Switchers, Converters, Point of load converters, Layout Theory, coding compatibility, understanding commonly used protocols for hardware
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