Cerence Interview Questions and Answers

Q1. Java related basic questions
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Q2. Android questions based on previous roles
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Q1. Scenario based questions were asked
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Q2. In depth questions for knowledge check
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Q1. Previous roles & responsibilities
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Q2. One basic stack & queue question
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Q1. Life cycle of Activity and Fragment
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Activity and Fragment have different life cycles in Android development.
• Activity life cycle includes methods like onCreate, onStart, onResume, onPause, onStop, onDestroy.

• Fragment life cycle includes methods like onAttach, onCreate, onCreateView, onActivityCreated, onStart, onResume, onPause, onStop, onDestroyView, onDestroy, onDetach.

• Fragments can be added or removed dynamically during the activity life cycle.

• Fragments...read more
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Q2. What is dependency injection
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Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.
• Allows for easier testing by mocking dependencies

• Promotes loose coupling between components

• Improves code reusability and maintainability

• Examples: Constructor injection, Setter injection, Interface injection
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Q1. What is the design pattern? Singleton Design patter
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Singleton design pattern ensures a class has only one instance and provides a global point of access to it.
• Used when only one instance of a class is needed throughout the system

• Provides a global access point to the instance

• Implemented by creating a static method to return the same instance each time it is called
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Q2. Difference Hashmap and Concurrent Hashmap
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HashMap is not thread-safe, while ConcurrentHashMap allows multiple threads to read and write concurrently.
• HashMap is not synchronized and not thread-safe, while ConcurrentHashMap is synchronized and thread-safe.

• ConcurrentHashMap allows multiple threads to read and write concurrently without any external synchronization, while HashMap requires external synchronization for concurrent access.

• ConcurrentHashMap achieves hi...read more
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Q3. Collection Framework
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Q4. Difference between list , set
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List is an ordered collection of elements with duplicates allowed, while set is an unordered collection of unique elements.
• List maintains the order of elements, while set does not guarantee any specific order.

• List allows duplicate elements, while set does not allow duplicates.

• Example: List - [1, 2, 3, 1], Set - {1, 2, 3}
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Q1. Your past working Experience ?
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I have over 10 years of experience in maintenance and reliability engineering, specializing in implementing TPM strategies.
• Implemented Total Productive Maintenance (TPM) programs to improve equipment reliability and reduce downtime

• Led cross-functional teams to identify and address root causes of equipment failures

• Utilized predictive maintenance techniques such as vibration analysis and infrared thermography

• Developed an...read more
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Q2. Share an incident of past where you had to take tough decision post multiple challenges ?
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I had to make a tough decision to lay off employees due to budget constraints and declining sales.
• Faced with budget constraints and declining sales

• Analyzed the financial situation and impact on the company

• Considered alternative solutions before deciding to lay off employees
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Q3. Share any incident where you resolved conflicts ?
Ans. 
I resolved conflicts by facilitating open communication and finding common ground.
• Encouraged all parties to express their perspectives and concerns

• Acted as a mediator to help find a compromise

• Focused on the common goals and interests of all parties involved
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Q4. Your 2 key developers of team have conflicts between them to the level that they don't even talk to each other . How will you deal with this situation and manage the team?
Ans. 
Address conflicts between key developers by facilitating communication, understanding root causes, and promoting collaboration.
• Facilitate a meeting with both developers to openly discuss the issues and find common ground.

• Encourage active listening and empathy to understand each developer's perspective.

• Identify the root causes of the conflicts and address them effectively.

• Implement team-building activities to improve co...read more
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2 interviewers were there , no any topic provided but set of questions concerns discussed , similar to the round 1 only . My opinion in scenarios provided . Ask my thoughts and opinion on AI tools .

Q1. It was F2F discussion with Project Manager . Same set of questions which were asked in previous rounds .
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Q2. Why to adopt micro service architecture pattern ?
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Micro service architecture offers scalability, flexibility, and resilience for modern applications.
• Allows for independent development and deployment of services

• Enables easier scaling of individual components

• Improves fault isolation and resilience

• Facilitates technology diversity within the system

• Enhances agility and speed of development

• Example: Netflix, Amazon, Uber
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Q1. Salary Expectation
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Q2. Family members detail
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Q3. If comfortable with daily Work from office ?
Ans. 
Yes, I am comfortable with daily work from the office.
• I thrive in a structured work environment

• I enjoy collaborating with colleagues in person

• I prefer separating work and home life
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Q4. Provided detail of salary/package structure /components ?
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Salary/package structure includes base salary, bonuses, benefits, and incentives.
• Base salary is the fixed amount paid regularly to the employee.

• Bonuses are additional payments based on performance or company profits.

• Benefits can include health insurance, retirement plans, and paid time off.

• Incentives are rewards for achieving specific goals or targets.

• Example: Base salary of $60,000, annual bonus of 10% based on perfor...read more
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