Sona Comstar L2 Engineer Interview Questions and Answers

Q1. CAN Protocols and deep explanation of hardware of hil testing
Ans. 
CAN protocols are used for communication between microcontrollers and devices in automotive systems. HIL testing involves simulating real-world conditions for testing hardware.
• CAN protocols are used for high-speed communication between electronic control units (ECUs) in vehicles.

• HIL testing, or Hardware-in-the-Loop testing, involves testing electronic control units (ECUs) in a simulated environment.

• HIL testing allows f...read more
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Q1. Spring boot and micro services are most questions.
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Q2. Db questions regarding joins and group by
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Q3. Spring profile related questions
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Q4. Spring boot actuator related questions
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Q5. Spring boot advantage related questions
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Q1. Basics o fem and project worked
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Q1. Nothing. Will ask fir few dicuments Expected CTC
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Assignments with Reasoning and maths etc.

Q1. Difference between controller and processor
Ans. 
A controller is a device that manages the flow of data between the computer and external devices, while a processor is the central processing unit that performs calculations and executes instructions.
• Controller manages data flow between computer and external devices

• Processor performs calculations and executes instructions

• Examples: A USB controller manages data flow between a computer and a USB device, while a CPU is a
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Q2. How to do requirement elicitation
Ans. 
Requirement elicitation is the process of gathering, analyzing, and defining the needs and constraints of a system.
• Identify stakeholders and involve them in the process

• Use various techniques such as interviews, surveys, observations, and workshops

• Document requirements clearly and prioritize them based on importance

• Validate requirements with stakeholders to ensure accuracy
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Q3. Do u know about ASPICE
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Q4. What are ASIL levels
Ans. 
ASIL levels are used in automotive functional safety to classify the risk associated with potential hazards.
• ASIL stands for Automotive Safety Integrity Level

• There are four ASIL levels - A, B, C, and D

• ASIL D represents the highest level of risk and requires the most stringent safety measures

• ASIL levels are determined based on the severity of potential hazards and the probability of exposure
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Q5. Do u have knowledge on cyber security
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Aptitude ralated questions

To take one topic and explain

Q1. Taken by technical round
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why should we hire you?
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Q5. Why are you looking for a change?
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Q6. Where do you see yourself in 5 years?
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Q7. What are your strengths and weaknesses?
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Q8. Tell me about yourself.
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Q9. Why are you interested this job
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Coding test, on C, around 1 hr, on teams

Q1. C basics Embedded C Aptitude
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Aptitude test of general math with technical mcq of your core branch.

Q1. Was focusing mainly on ec core subjects
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