Lexmark International Integration Engineer Interview Questions and Answers

90 min MCQ +coding test on hackerrank.

Q1. Sort colors DSA question
Ans. 
Sort an array of colors represented as strings in a specific order: red, white, and blue.
• Use the Dutch National Flag algorithm for efficient sorting.

• Iterate through the array and maintain three pointers: low, mid, and high.

• Swap elements based on their color: red (0), white (1), blue (2).

• Example: Input: ['blue', 'white', 'red', 'red', 'blue'], Output: ['red', 'red', 'white', 'blue', 'blue'].
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Q2. Detect cycle in a linked list
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Q1. Was asked about why you want to join the company,my experience etc.
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Q1. Lamda experience
Ans. Good
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Coding test consisted of 2 coding questions and mcqs

Q1. Friendly discussion on my experience
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Q2. Where would u see yourself in 5 years
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Q1. Find string match
Ans. 
String matching involves finding occurrences of a substring within a larger string using various algorithms.
• Use algorithms like Knuth-Morris-Pratt (KMP) for efficient substring search.

• Regular expressions can be used for complex pattern matching.

• Example: Searching 'cat' in 'concatenation' returns index 3.

• Consider edge cases like empty strings or special characters.
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Q2. Wlan protocolsn 80211
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Q3. Dns dhcp ip
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Q1. Uipath questions , orchestrator
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Q2. Automation anywhere,
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Q1. Describe your projects nd experience according into one technical qns sort num in list
Ans. 
I have worked on various software projects, focusing on web development, data analysis, and mobile applications.
• Developed a responsive web application using React and Node.js for an e-commerce platform.

• Implemented a data analysis tool in Python that processed large datasets to generate insights for marketing strategies.

• Created a mobile app using Flutter that helps users track their fitness goals and progress.
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Q1. Explain abt yourself, current ctc, expected ctc
Ans. 
Experienced Senior Engineer with a strong background in software development and project management, seeking new challenges.
• Over 8 years of experience in software engineering, specializing in full-stack development.

• Currently working at XYZ Corp, leading a team of developers on a major project.

• Proficient in languages such as Java, Python, and JavaScript, with a focus on scalable applications.

• Successfully implemented a n...read more
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Q1. Diamond problem, oops concept
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Small task in catia api