Ericsson SDE (Software Development Engineer) Interview Questions and Answers

General Aptitude, Reasoning & English

Coding Round with 2 questions for 1 hr

Q1. Why do you want to join this company
Ans. I see my career starting good with your company
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Q2. How much do you from expect us
Ans. I'm expecting the same loyalty from your organization
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They ask us 40 mcqs and 2 coding questions. Mcqs are from networking,OS,DS,Ada and also have questions of general aptitude like direction,blood relation. Coding question are not easy both the questions are from Graph.

Q1. Subnetting, Supernetting,IPv4,Linkedlist,
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Q2. Find unique character from a string and optimize it
Ans. 
Find unique character from a string and optimize it
• Use a hash table to store the frequency of each character in the string

• Iterate through the hash table to find the character with frequency 1

• If there are multiple characters with frequency 1, return the first one

• Optimization: Stop iterating through the hash table once a character with frequency 1 is found
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They give me a scenario like you have to go from place A to place B then what should You consider.

Q1. Explain linked list reversal ways, explain rabbit mq
Ans. 
Explanation of linked list reversal and RabbitMQ
• Linked list reversal can be done iteratively or recursively

• Iterative reversal involves changing the pointers of each node to point to the previous node

• Recursive reversal involves calling the function recursively on the next node and changing its pointer to the current node

• RabbitMQ is a message broker that allows for asynchronous communication between applications

• It uses a...read more
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Q2. Design patterns es saga
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15 Aptitude Question
2 coding Question
Time- 1H 30Min

Q1. Generally asked from resume
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Quant and verbal questions, along with statistics

Basic array and string questions. Some stack and queue questions was also there.

2 coding questions of medium level

Q1. Write a function for Armstrong number
Ans. 
Function to check if a number is an Armstrong number
• An Armstrong number is a number that is equal to the sum of its own digits raised to the power of the number of digits

• Loop through each digit of the number and calculate the sum of each digit raised to the power of the number of digits

• Compare the sum with the original number to check if it is an Armstrong number
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Q1. Tell me about yourself
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It was of moderate difficulty level

I was given a comm topic along with 5 other people