Ericsson Trainee Interview Questions and Answers

Q1. What is mean by testing
Ans. 
Testing is the process of evaluating a system or component to determine if it satisfies specified requirements.
• Testing is done to identify defects or errors in software or hardware.

• It involves executing a system or component with the intent of finding bugs or verifying its functionality.

• Testing can be performed at various levels such as unit testing, integration testing, system testing, and acceptance testing.

• Different...read more
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Q2. Why we are doing testing
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Testing is done to ensure that the software meets the requirements and is of high quality.
• To identify defects and errors in the software

• To ensure that the software meets the specified requirements

• To improve the quality of the software

• To increase customer satisfaction

• To reduce the risk of software failure

• To ensure that the software is reliable and secure
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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. What are your strengths and weaknesses?
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Q5. Tell me about yourself.
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Discussion about Basic Information

Q1. I was applying for CAD engineer so asking about CAD commands and telecommunications. Prepare with your skills.
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Q1. Discussion about Work experience, CTC, work Location.
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Q1. Find the length of longest common subsequence in given strings.
Ans. 
The length of the longest common subsequence in given strings is found using dynamic programming.
• Use dynamic programming to find the length of the longest common subsequence.

• Compare characters of the strings and build a matrix to store the lengths of common subsequences.

• Traverse the matrix to find the length of the longest common subsequence.
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Q2. A basic DFS based graph question.
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Write the algorithm for topological sorting.

Q1. Basic system design questions.
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Q2. Explain CAP theorem.
Ans. 
CAP theorem states that in a distributed system, it is impossible to simultaneously guarantee consistency, availability, and partition tolerance.
• Consistency: All nodes in the system have the same data at the same time.

• Availability: Every request gets a response, even if some nodes are down.

• Partition Tolerance: The system continues to operate despite network partitions.

• In a distributed system, you can only achieve two o...read more
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Q1. Explain your previous projects .
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Q1. What is VLSI design cycle ?
Ans. 
VLSI design cycle is the process of creating integrated circuits by going through various stages from design to fabrication.
• VLSI design cycle involves stages like specification, design, verification, synthesis, and fabrication.

• It starts with defining the requirements and specifications of the integrated circuit.

• Design phase includes logic design, circuit design, and physical design.

• Verification ensures that the design ...read more
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Q2. FIFO Pipeline depth calculation
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Q1. Verilog code debug question
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