typical ice breakers like volatile, static etc. question about compiler optimization. what happens if compiler can't store variable in a register ? then gave me a code snippet to find bug. was an array out of bounds access in a for loop. then in last 10 mins or so, asked me to write malloc and free for a fixed buffer array and return offset to user.
Given a bike station like a city bike, write an architecture on how the system will work.
MORE than 50 questions on television broadcast systems, electronics, networking, control systems, electronics and software engineering were asked.
Standard data structures. Asking for binary search.
Struture of Micorservices? Loadbalancing in Microservices? Procedure and Functions in Oracle? Joins in DB and Joins in Thread? Exception related annotations (@controllerAdvice and @ExceptionHandler)in spring?
# Questions asked by EPM (appeared friendly) - Tell me about a project you were passionate about - How will you communicate differently to a Sales person - Did you ever analyze data and make an impact on business decisions. Explain. - A product is to be launched with x number of features, you realize that you won’t be able to finish testing all the features, what will you do? - (When I asked how has been her experience at Humane, she over-dramatically told me that she had been working there for a month and it's a lot of work, "a lot of work". who says that to a candidate appearing for interview. either she was being honest, or maybe she did not want me to join) # Questions asked by cellular Software Engineers (senior - friendly, junior - unfriendly) - cellular protocol related - Low data throughput debug steps, NDI, RV - Log post processing for failures - Registration Call Flow - advantages of different SCS in 5G - design a test plan for a device - (interviewer was young and almost unfriendly when I asked clarifying questions.) # Questions asked by wifi/ bt engineer (friendly) - Which Cellular band does Wi-Fi 2.4 GHz interfere with? - Given a device (a phone or similar device) come up with broad categories of test plan. - Telemetry for devices, which parameters you will check? # Questions asked by rf hardware design engineer (soft spoken) - Functional blocks of RFFE - If you find a test is failing how will you debug before reaching out to the equipment vendor? (he was looking for a step by step sequential answer) # Questions asked by wireless system engineer (unwelcoming) - How does the traffic flow when you stream a video from youtube - What will you do if phone heats up - (kept emphasizing "There’s no I, there’s only WE here" for no reason. he appeared as unwelcoming) # Recruiter got back to me - - there was no problem with your interview, just that we found someone better aligned for this role. - This role involves communication with other department and we want someone better at that. - recruiter calls or responds (does not respond) on his own time
Difference beetween exception handling and IRQ handling, memory barrier, Trustzone basics
Written Test: 1. Object question based on Mutex, C puzzles, OS, Data Structures 2. Implement Producer Consumer Problems 3. Calculate the sum of two polynomials F2F: 1. Process Vs Threads 2. Why we need Process if we have Thread 3. What is Scheduler? How does it work? 4. Priority Inversion 5. Set the bits within a given Range 6. Memory allocation 7. Endianness
How will you handle a pushy customer working in a different time zone?
Given an express code, write functionality to call an API and manipulate the collected data
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