My roles and responsibilities in the job.
Lead Engineer Interview Questions
20,095 lead engineer interview questions shared by candidates
What are the challenges faced and overcome from it. Current and expected ctc.
Having had little experience in the industry, the toughest question I was faced with was simply for me to give an overview of how I would program the product and what things I would take into account.
They asked me if I need any training at the beginning of work.
Asked questions about the projects mentioned in CV.
IPSec, DMVPN, Site-to-Site, Routing protocols, Firewalls, Switching, Data center (Nexus) situations, etc. We covered all of major networking aspects and when deeper until the protocol level.
API automation
front, backend, devops, might be anything/questions that belongs to a tech lead role...
Round 3: Q1) Count the number of occurrences (or frequency) of a number in a sorted array. Solution: https://www.geeksforgeeks.org/count-number-of-occurrences-or-frequency-in-a-sorted-array/ Q2) Design a TinyUrl System
Round 5: This was an offline round. 3 question were shared on mail and had to revert with a solution. 1. Algo question: · N people, M restaurants, on a one-dimensional street. All the people are to meet at one restaurant, find the restaurant, where total travel distance from all people to that restaurant is the shortest among all restaurants. · The problem can be solved with brutal force with O(n*m) complexity. The question is how to solve it faster than brutal force. · Describe the algorithm, and why it is better than brutal force. Coding is not required 2. Coding question: · Binary tree in memory (not sorted, not balanced), write code to serialize the binary tree to disk, then deserialize from disk and re-construct in memory. · Runnable code is required. You may use any language you like. You may also decide the format on disk. 3. System design: · 1 million backend server that serves search traffic (think it as search service by google). · 10k frontend servers – the FE servers intend to act as load balance the incoming traffic to the BE servers. · Incoming traffic to the 10k FE servers are not balanced: there can be cold FE servers and hot FE servers · Design the system/algorithm, where the traffic to BE servers are balanced. · The design should be within today’s computer architecture, ideally without centralized components.
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