Acro Technologies Software Testing Engineer Interview Questions and Answers for Experienced

Q1. Minimum Cost to Merge Stones
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Q2. Why do you want to join the company
Ans. 
I admire the company's innovative approach and commitment to excellence, aligning with my career goals and values.
• The company's focus on cutting-edge technology resonates with my passion for continuous learning and growth.

• I am impressed by the collaborative culture here, which fosters teamwork and creativity, as seen in your recent project on XYZ.

• The opportunity to work on impactful projects that improve user experienc...read more
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Q3. What are your expectations from the DataflowGroup
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I expect collaboration, innovation, and growth opportunities within the DataflowGroup.
• Collaboration: I hope to work closely with cross-functional teams to enhance data processing workflows.

• Innovation: I expect to contribute to innovative solutions that improve data handling and processing efficiency.

• Growth Opportunities: I look forward to mentorship and professional development to advance my skills in data engineering.

• ...read more
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Q1. What is Java?
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Java is a versatile, object-oriented programming language designed for portability across platforms.
• Object-Oriented: Supports concepts like inheritance, encapsulation, and polymorphism.

• Platform-Independent: Write once, run anywhere (WORA) due to Java Virtual Machine (JVM).

• Rich API: Offers a wide range of libraries for tasks like networking, I/O, and GUI development.

• Strongly Typed: Enforces strict type checking at compi...read more
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Q2. What are the methods to effectively use threads in programming?
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Effective thread usage enhances performance and responsiveness in applications by enabling concurrent execution of tasks.
• Use thread pools to manage a fixed number of threads, reducing overhead. Example: Java's ExecutorService.

• Implement synchronization mechanisms (like mutexes) to prevent race conditions. Example: using 'synchronized' keyword in Java.

• Utilize concurrent data structures (like ConcurrentHashMap) to avoid l...read more
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Topics:
Python, Django, MySQL, Automation, Technical questions

Q1. Topics: Python, Django, MySQL, Automation, Technical questions
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Q2. Explain Django Architecture
Ans. 
Django follows Model-View-Controller (MVC) architectural pattern.
• Django has a high-level architecture that follows the Model-View-Controller (MVC) architectural pattern.

• The Model layer represents the database schema and business logic.

• The View layer is responsible for rendering the templates and presenting the data to the user.

• The Controller layer handles the user's input and interacts with the Model and View layers.

• Dj...read more
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Q3. Difference between XML and JSON
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XML is a markup language while JSON is a lightweight data interchange format.
• XML uses tags to define elements while JSON uses key-value pairs.

• XML is more verbose and complex than JSON.

• JSON is easier to read and parse than XML.

• XML supports namespaces and validation while JSON does not.

• XML is widely used in web services and document exchange while JSON is preferred for data exchange between applications.
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Q1. Explain process for SDE
Ans. 
The process for Software Development Engineer involves planning, designing, coding, testing, and deploying software solutions.
• Gather requirements from stakeholders

• Create a design based on requirements

• Write code to implement the design

• Test the software for bugs and issues

• Deploy the software for users to use

• Iterate on feedback and make improvements
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