I show them my IOT project which works with the MQTT protocol. They ask what other protocols are available for IOT.
Software Enginer Interview Questions
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What is systems engineering?
Write a function to remove repeated spaces from a string (ex: "one two three four" -> "one two three four")
Given a list of coins and the a total amount. Calculate the minimum number of coins can be used to reach the total amount.
Difference between an array list and a linked list.
"what do you do if your manager says your code is a piece of sh*t?"
Input a matrix, where every number is greater or equal to the numbers on its right and bottom. Output a sorted array
Given an english sentence how can you tell if it is valid or not. For Eg. "Iworkatuber" is a valid sentence "Iworkatasdf" is an invalid sentence.
Write a class that can take in an endless stream of numbers, one integer at a time, can efficiently store the most recent n numbers and report their average in O(1) time.
print out the powset of a set. use any programming language you want.
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