Jio Platforms Associate Technical Engineer Interview Questions and Answers

Q1. What is Ppk and Cpk in Six Sigma??
Ans. 
Ppk and Cpk are process capability indices used in Six Sigma to measure the ability of a process to produce output within specification limits.
• Ppk and Cpk are statistical measurements that assess how well a process is performing in relation to its specification limits.

• Ppk measures the potential capability of a process to produce output within specification limits, while Cpk measures the actual capability of a process t...read more
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Q2. What are the different types of risks??
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Different types of risks include financial, operational, strategic, compliance, and reputational risks.
• Financial risk: related to the potential loss of financial resources, such as market risk, credit risk, and liquidity risk.

• Operational risk: arises from internal processes, systems, or people, leading to errors, fraud, or disruptions.

• Strategic risk: involves the impact of business decisions on the organization's long-...read more
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Q1. Explain ISO 13485 implementation in your current employer?
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Q2. What the curves on the Probability plot denotes?
Ans. 
Probability plot curves denote the distribution of data points compared to a theoretical distribution.
• Probability plot curves help visualize how well a dataset fits a particular distribution.

• The curves can indicate if the data is normally distributed or follows a different distribution.

• Examples of probability plots include Q-Q plots and P-P plots.
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Q1. Salary discussed
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Q2. Nothing more than the salary discussed
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Q1. Fake Interview, Didn't expect this from virtusa
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Q2. FakeInterviews conducted, Didn;t expect this from virtusa
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Q3. Virtusa Scammers
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Q1. Describe 5 non functional requirements
Ans. 
Non functional requirements are criteria that specify how a system should behave, rather than what it should do.
• Performance - system should respond within 2 seconds for all user interactions

• Scalability - system should be able to handle 1000 concurrent users

• Reliability - system should have a 99.99% uptime

• Security - system should encrypt all sensitive data

• Usability - system should have a user-friendly interface
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Q2. How will you improve performance of legacy app which has to work with your latest microservice.
Ans. 
Improve legacy app performance by optimizing code, implementing caching, and scaling resources.
• Optimize code by identifying and removing bottlenecks

• Implement caching to reduce database calls and improve response time

• Scale resources by using containers or serverless architecture

• Use asynchronous processing for long-running tasks

• Upgrade hardware or infrastructure if necessary
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Q1. Explain security in microservices
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Security in microservices involves implementing authentication, authorization, encryption, and monitoring to protect data and services.
• Implement authentication and authorization mechanisms to control access to microservices.

• Use encryption to secure communication between microservices and external clients.

• Implement monitoring and logging to detect and respond to security incidents.

• Consider using API gateways for central...read more
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Q2. Describe microservices architecture for a wealth management app
Ans. 
Microservices architecture for a wealth management app involves breaking down the application into smaller, independent services.
• Each microservice focuses on a specific business function, such as client onboarding, portfolio management, or reporting.

• Services communicate through APIs, allowing for flexibility and scalability.

• Each microservice can be developed, deployed, and scaled independently, leading to faster develo...read more
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Hacker Rank test, problem solving. Java 8

Q1. Java 8 feature related questions.
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Q2. Jvm architecture and memory management
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Q3. Sql self join query and query tuning
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Q4. Spring boot microservices design pattern discussion
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Q1. Problem solving based on java and case study
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Q2. Team handling and management skills
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Q3. Docker and Orchetratetion framework
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Q4. Aws cloud and cicd and related technologies
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Q1. Introduce yourself
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Q1. What is your Favorite movie ?
Ans. 
My favorite movie is The Shawshank Redemption.
• Directed by Frank Darabont

• Based on a Stephen King novella

• Set in a prison in Maine

• Themes of hope, friendship, and redemption

• Starring Tim Robbins and Morgan Freeman
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Q2. What is your Favorite colour?
Ans. 
My favorite color is blue because it reminds me of the calming ocean and clear skies.
• Blue is associated with calmness and tranquility

• It symbolizes trust, loyalty, and confidence

• Examples: navy blue, sky blue, royal blue
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Q1. What is power draining?
Ans. 
Power draining refers to the excessive consumption of power by a device or system, leading to decreased battery life or performance.
• Power draining can occur due to background apps running constantly on a device.

• Faulty hardware components can also contribute to power draining.

• Settings such as high screen brightness or frequent data syncing can increase power draining.

• Examples include a smartphone losing battery quickly ...read more
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Q2. What is VPN? When you use it?
Ans. 
VPN stands for Virtual Private Network. It is used to create a secure connection over the internet, allowing users to access private networks remotely.
• VPN encrypts data to ensure privacy and security

• It allows users to access restricted websites or content

• Commonly used for remote work, accessing company networks, and bypassing geo-restrictions

• Examples include NordVPN, ExpressVPN, and Cisco AnyConnect
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Q1. Tell me about your framework
Ans. 
My framework is a comprehensive set of tools, libraries, and best practices that I use to streamline the development process and ensure high-quality deliverables.
• Utilizes design patterns such as MVC for structuring code

• Includes libraries for common tasks like data manipulation and networking

• Emphasizes unit testing and continuous integration for code quality

• Integrates with popular tools like Git for version control

• Suppo...read more
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Q2. Type of selenium waits
Ans. 
Types of Selenium waits include implicit, explicit, and fluent waits.
• Implicit wait: Waits for a certain amount of time before throwing a NoSuchElementException.

• Explicit wait: Waits for a certain condition to occur before proceeding further.

• Fluent wait: Waits for a condition to be true with a defined polling frequency.

• Example: driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
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Q3. Xpath and CSS difference
Ans. 
XPath is used to navigate through XML documents, while CSS is used to style HTML elements.
• XPath is more powerful and flexible for navigating XML documents

• CSS is more commonly used for styling HTML elements

• XPath uses path expressions to select nodes in an XML document

• CSS uses selectors to target specific HTML elements
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Q4. Coding to check list
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Q1. Java Collections
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Q2. Java8 Stream program
Ans. 
Java8 Stream program to filter even numbers and double them
• Use Stream to filter even numbers

• Use map to double the filtered numbers

• Use collect to collect the results into a list
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Q1. Completable future
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Q2. Microservice architecture
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