Wynncom Digital Devices Interview Questions and Answers

Q1. What does a 4G GSM network diagram illustrate?
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Q2. What is beamwidth in the context of antenna theory?
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Q3. What steps would you take to observe the field if you were to visit it?
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Q4. What is a threshold?
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Q5. What is Voltage Standing Wave Ratio (VSWR)?
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Q6. What is MIMO (Multiple Input Multiple Output) technology?
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Q7. What is an E-Node B?
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Q8. Why is a Base Station Controller (BSC) unnecessary in a 4G network?
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Q9. What are the uplink and downlink speeds in a 4G network?
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Q1. What reasons can you provide that would support the decision to hire you?
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Q2. Can you provide details about your family and academic background?
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Q3. What motivates you to want to join our organization?
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It was an aptitude test that included coding and various logical questions.

Q1. Domain questions
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Q2. Project level questions
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Q3. Mid level python questions
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Q4. Devops questions
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Q1. Scenario based question
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Q2. DevSecOps Questions
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Q1. Managerial Round. It was a casual discussion though about the project and role level activities.
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Q1. Its was just a formality
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It's walkin, so they conducted 1 technical mcqs round.

Q1. Multi threading
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Q2. Internal working of hashmap
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HashMap in Java is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values based on keys.
• HashMap uses an array of buckets to store key-value pairs.

• Keys are hashed to determine the index in the array where the key-value pair will be stored.

• In case of hash collisions, a linked list or a balanced tree is used to store multiple key-value pairs in the same bucket.

• HashMap allows null keys...read more
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Q3. Spring batch related
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Q4. Non repeating characters in a array
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Function to find and return all non-repeating characters in an array of strings.
• Iterate through the array and count the occurrences of each character using a HashMap.

• Then iterate through the array again and check if the count of each character is 1, if so add it to the result list.

• Return the list of non-repeating characters.
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Q5. 3rd highest salary
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To find the 3rd highest salary in a database, we can use a SQL query with the 'LIMIT' and 'OFFSET' keywords.
• Use a SQL query with 'ORDER BY salary DESC' to sort the salaries in descending order.

• Use 'LIMIT 1 OFFSET 2' to skip the first two highest salaries and retrieve the third highest salary.

• Example: SELECT salary FROM employees ORDER BY salary DESC LIMIT 1 OFFSET 2;
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Q6. Qualifier vs primary
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A qualifier in Java is used to specify additional information about a primary, which is the main data type or variable.
• A primary in Java is the main data type or variable, while a qualifier provides additional information about the primary.

• Qualifiers can be used to modify the behavior or characteristics of a primary.

• For example, in Java, 'final' is a qualifier that can be used to make a variable constant.
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Q7. Controller vs restcontroller
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The main difference is that @RestController is a specialized version of @Controller that is used for RESTful web services.
• Both @Controller and @RestController are used in Spring MVC to handle HTTP requests, but @RestController is specifically used for RESTful web services.

• @Controller is used to create web pages, while @RestController is used to return data in JSON or XML format.

• @RestController is a convenience annotati...read more
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Q8. Spring boot annotataions
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Q9. Oops concepts with examples
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OOP concepts include inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class. Example: class Dog extends Animal.

• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: private variables with public getter and setter methods.

• Polymorphism: Ability for objects to be treated as instances of their paren...read more
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Q10. Spring batch configuration
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Q11. They covered all java, spring and Microservices
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Q1. Microservices architecture
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Q2. How do Microservices communicate
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Microservices communicate with each other through various communication protocols like HTTP, messaging queues, and gRPC.
• Microservices can communicate over HTTP using RESTful APIs.

• Messaging queues like RabbitMQ or Kafka can be used for asynchronous communication between microservices.

• gRPC is a high-performance, open-source RPC framework that can be used for communication between microservices.

• Service discovery mechanism...read more
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Q3. How to access the Microservice end point
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Microservice endpoints can be accessed using HTTP requests with the appropriate URL
• Use HTTP methods like GET, POST, PUT, DELETE to interact with the microservice

• Construct the URL with the base URL of the microservice and the specific endpoint path

• Include any necessary headers or parameters in the request for authentication or data filtering
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Q4. Why we use microservices
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Microservices allow for modular, scalable, and flexible software development by breaking down applications into smaller, independent services.
• Microservices enable easier maintenance and updates as each service can be developed, deployed, and scaled independently.

• They improve fault isolation, as failures in one service do not necessarily affect the entire application.

• Microservices promote agility and faster time-to-mark...read more
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2022 Bsc. And de pharma

Q1. 1Employers may ask what you dislike about your current or previous job to determine whether you're going to be happy in a new position with their company. They want to know if the new position can provide ...read more
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Q2. Employers may ask what you dislike about your current or previous job to determine whether you're going to be happy in a new position with their company. They want to know if the new position can provide y...read more
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Q3. If you meant my current job, I like almost everything about the job. Colleagues are mostly friendly & helpful with job related matters. Bosses are understanding and reasonable. They provide you everything ...read more
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Q4. If you meant my current job, I like almost everything about the job. Colleagues are mostly friendly & helpful with job related matters. Bosses are understanding and reasonable. They provide you everything ...read more
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2022 BSc.. And De pharma running.

Q1. How to verify car is Major accidental
Ans. 
To verify if a car is major accidental, check for signs of extensive damage and repair work.
• Look for mismatched paint or panels indicating repair work

• Check for signs of frame damage or structural issues

• Inspect for any airbag deployment or replacement

• Review the vehicle history report for any past accidents

• Consult with a professional mechanic or body shop for a thorough inspection
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Q2. How to check apron replace
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To check apron replace, inspect for wear and tear, measure thickness, check for cracks or damage, and ensure proper alignment.
• Inspect apron for wear and tear

• Measure thickness of apron material

• Check for cracks or damage on the apron

• Ensure proper alignment of the apron
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Q3. 1 check car piller roboting punching are proper visible aur not than confirm car are accidental aur not ..
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Q4. Check apron replace1 point check apron selent are are original and 2 roboting punching than confirm apron replace ya repair..
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Q5. Check uppar member lower member radiator support both side legs apron col top head light support than confirm car is Major accidental aur not ..
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Q1. Automobile field question
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Q2. Production management
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Q3. Team management
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Q4. Safety awareness
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Q5. Quality production
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Q6. Working process step by step
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The working process step by step involves planning, executing, monitoring, and evaluating tasks to achieve desired outcomes.
• 1. Planning: Identify goals, set objectives, and create a timeline.

• 2. Execution: Carry out tasks according to the plan.

• 3. Monitoring: Track progress, identify any issues, and make adjustments as needed.

• 4. Evaluation: Assess the results against the initial goals and objectives.

• 5. Reflection: Learn ...read more
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Q1. Basic pipeline,python,some simple coding
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Q2. More on resume and based on ur answers
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Q3. Docker multistage
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Q1. Write the k8s deployment ymal with rolling update for given docker image
Ans. 
Create a k8s deployment ymal with rolling update for a given docker image
• Define a Deployment object in the YAML file

• Specify the container image in the spec section

• Set the update strategy to RollingUpdate

• Define the number of replicas for the deployment
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Q2. Read json file and recursive way of geting value based on key
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Q1. What are the PPAP documents ?
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PPAP documents are a set of documents used in the automotive industry to ensure suppliers meet quality standards.
• PPAP documents include items such as design records, engineering change documents, process flow diagrams, control plans, measurement system analysis, and more.

• They are used to demonstrate that the supplier has understood the customer's requirements and has processes in place to consistently meet those requir...read more
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Q2. What level you know PPAP?
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PPAP stands for Production Part Approval Process and is a standardized process in the automotive industry to ensure suppliers meet quality requirements.
• PPAP is a standardized process in the automotive industry to ensure suppliers meet quality requirements

• It involves submitting documentation such as design records, process flow diagrams, and control plans

• PPAP typically consists of 18 elements including dimensional resul...read more
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Tell me what is your strength about quality assurance?

Q1. Problem solving procedure for process.
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The problem-solving procedure for a process involves identifying the issue, analyzing the root cause, developing solutions, implementing the best solution, and monitoring the results.
• Identify the problem or issue in the process

• Analyze the root cause of the problem

• Develop potential solutions to address the root cause

• Implement the best solution

• Monitor and evaluate the results to ensure effectiveness
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Q1. What features of playwright did you use in project
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Q2. How would you do api chaining
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API chaining is the process of making multiple API calls in a sequence to achieve a desired outcome.
• Identify the APIs that need to be called in sequence

• Extract necessary data from the response of one API call to use in the next call

• Handle errors and exceptions that may occur during the chaining process

• Use tools like Postman, RestAssured, or programming languages like Python to automate the chaining process
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Q1. Write page object for login
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Page object for login functionality
• Create a LoginPage class with methods for entering username, password, and clicking login button

• Use locators to identify the username input field, password input field, and login button

• Implement a method to perform the login action and return the next page object
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Q2. What is extension of eslint file and how do you combine rules in eslint
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Eslint file extension is .eslintrc.js and rules can be combined using extends property
• Eslint file extension is .eslintrc.js

• Rules can be combined using the 'extends' property in the eslint configuration file

• For example, to combine rules from multiple eslint configurations, you can use: 'extends: ['eslint:recommended', 'plugin:react/recommended']
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Q3. Write a program on wellformed braces
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Program to check if braces are well-formed
• Use a stack to keep track of opening braces

• Iterate through the input string and push opening braces onto the stack

• When a closing brace is encountered, pop from the stack and check if it matches the corresponding opening brace

• If stack is empty at the end and all braces are matched, return true
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