Soliton Technologies Pre and Post Silicon Validation Engineer Interview Questions and Answers

Q1. Selenium xpath and dynamic loading of elements
Ans. 
Selenium xpath is used to locate elements on a web page, especially useful for dynamic loading scenarios.
• Use xpath to locate elements based on their attributes or position on the page

• For dynamic loading, use explicit waits to ensure elements are present before interacting with them

• Consider using relative xpath expressions to make your tests more robust and maintainable
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Q2. Java programs on strings
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Q3. Test Ng architecture explain
Ans. 
TestNG is a testing framework inspired by JUnit and NUnit, with more advanced features for test automation.
• TestNG uses annotations to define test methods and test configurations.

• It supports parameterized tests, test dependencies, and test groups.

• TestNG allows parallel execution of tests, making it faster than other testing frameworks.

• It provides detailed test reports and supports data-driven testing.

• TestNG can be integ...read more
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I interviewed with Mediatek having just 1 year of experience. It was for outsourcing position.

They asked me concepts from C language, writing code for data structures (LinkedIn list), and a question on string which I can't remember. This was pre COVID days.

Q1. Write code to insert a node to the middle of linked list
Ans. 
Insert a node to the middle of a linked list
• Find the middle node using slow and fast pointers

• Create a new node with the data to be inserted

• Adjust the pointers to insert the new node in the middle
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Q1. On python, on storage
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Q1. On python , oops concept ,
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Q1. Why you are changing the job
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Virtual round for fundamental coding.

Physical round for coding assignment given on a paper.

Q1. How does twisted cable work? How to see CAN voltage levels on Oscilloscope?
Ans. 
Twisted cables reduce electromagnetic interference and CAN voltage levels can be observed using an oscilloscope.
• Twisted cables consist of pairs of wires twisted together to cancel out electromagnetic interference.

• The twisting helps maintain a consistent impedance, reducing signal degradation over distance.

• To see CAN voltage levels, connect the oscilloscope probes to the CAN High and CAN Low lines.

• Set the oscilloscope t...read more
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Q2. Swap the bits in a byte.
Ans. 
Swapping bits in a byte involves exchanging the positions of bits within an 8-bit binary number.
• A byte consists of 8 bits, indexed from 0 to 7.

• To swap bits, you can exchange pairs: (0, 7), (1, 6), (2, 5), (3, 4).

• Example: For byte 10110010, swapping gives 01011001.

• Use bitwise operations: AND, OR, and XOR to manipulate bits efficiently.

• In programming, you can use masks to isolate and swap bits.
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Q3. Why you want to join the company?
Ans. 
I am excited to join the company for its innovative projects, collaborative culture, and opportunities for professional growth.
• The company's commitment to cutting-edge technology aligns with my passion for innovation, as seen in my previous work on AI-driven applications.

• I admire the collaborative culture here, which fosters teamwork and knowledge sharing, similar to my experience in agile development teams.

• The opportu...read more
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Q4. How soon you can join the company?
Ans. 
I can join the company in two weeks, allowing time for a smooth transition from my current role.
• I need to provide my current employer with a two-week notice period.

• This timeframe ensures I can wrap up ongoing projects and hand over responsibilities.

• If needed, I can negotiate a quicker start date if my current employer agrees.
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First Round was pretty basic and coding questions was medium in Python and React.
Then coding assignment from client and then Manager Round followed by HR Round

Q1. Some technical question on advanced java
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Q1. Scenario based question design swiggy app on microservice architecture
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