Wipro Business Consulting Senior Consultant Interview Questions and Answers

Q1. Nth higest salary query in sql
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Q2. Constraints
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Q3. Delete drop truncate
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Q4. Identity column
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Q5. Ref and out
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Q6. Polymorphism code
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Q7. Inheritance, interface, abstract class,access modifiers, solid principles,design patterns
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Q8. Remove duplicates from an array
Ans. 
Remove duplicates from an array of strings
• Create a Set to store unique elements

• Iterate through the array and add each element to the Set

• Convert the Set back to an array to get the unique elements
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Q1. Difference between display none, visibility hidden and opacity 0 in CSS
Ans. 
display none hides the element completely, visibility hidden hides the element but still takes up space, opacity 0 makes the element transparent.
• display none removes the element from the layout

• visibility hidden hides the element but it still occupies space

• opacity 0 makes the element transparent but still occupies space

• Example: display: none; visibility: hidden; opacity: 0;
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Q2. Write a polyfill for javascript method "filter"
Ans. 
Polyfill for JavaScript method 'filter'
• Create a function called 'filter' that takes a callback function as an argument

• Loop through the array and apply the callback function to each element

• If the callback function returns true, add the element to a new array and return it
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Q3. Explain ShadowDOM
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Shadow DOM is a way to encapsulate the styling and structure of a web component, preventing styles from leaking out and clashing with the rest of the page.
• Shadow DOM allows for creating self-contained components with their own DOM tree and styling.

• It helps in preventing styles from the main document affecting the component and vice versa.

• Shadow DOM can be created using the 'attachShadow' method in JavaScript.

• It is comm...read more
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Q4. Explain Currying in Javascript
Ans. 
Currying is a technique in JavaScript where a function with multiple arguments is transformed into a sequence of functions, each taking a single argument.
• Currying allows you to create reusable functions with partial application of arguments.

• It helps in creating more flexible and composable functions.

• Example: const add = (a) => (b) => a + b; const add5 = add(5); console.log(add5(3)); // Output: 8
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Q5. What is Event Deligation in javascript
Ans. 
Event delegation in JavaScript is a technique where a single event listener is attached to a parent element to handle events for multiple child elements.
• Event delegation helps improve performance by reducing the number of event listeners.

• It is useful for dynamically created elements or elements with similar behavior.

• Event delegation works by utilizing event bubbling, where events on child elements bubble up to the pare
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Q1. Internal working of Hashmap
Ans. 
HashMap in Java is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values.
• HashMap uses an array of buckets to store key-value pairs.

• Keys are hashed to determine the index where the value will be stored.

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

• HashMap allows one null key and multiple null values.

• Example: HashMap&...read more
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Q2. JAVA 8 Stream API coding questions
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Q1. JAVA 8 advanced coding question
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Q2. Specific questions on client requirements
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Q1. General questions on expectations
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Q1. What Is difference between SAP ERP AND S/4 HANA
Ans. 
SAP ERP is the traditional enterprise resource planning software, while S/4 HANA is the next-generation ERP suite built on the SAP HANA platform.
• SAP ERP is based on traditional on-premise architecture, while S/4 HANA is designed for cloud deployment.

• SAP ERP uses a row-based database structure, while S/4 HANA utilizes an in-memory columnar database for faster data processing.

• SAP ERP requires separate systems for transac...read more
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Q2. What are the steps for implementation in SAP
Ans. 
Implementation steps in SAP involve planning, configuration, testing, training, and deployment.
• 1. Planning phase involves defining project scope, objectives, and timeline.

• 2. Configuration phase includes setting up SAP modules according to business requirements.

• 3. Testing phase ensures that the system functions correctly and meets user needs.

• 4. Training phase involves educating users on how to use the SAP system effecti...read more
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Q3. What is RICEF? explain
Ans. 
RICEF is a prioritization framework used in project management to rank tasks based on their impact and effort required.
• RICEF stands for Reach, Impact, Confidence, and Effort.

• Reach refers to the number of people affected by the task.

• Impact is the potential positive outcome of the task.

• Confidence is how sure you are about the estimates for Reach and Impact.

• Effort is the amount of time and resources needed to complete the...read more
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Q4. Have you worked with APP? EXPLAIN THE STEPS
Ans. 
Yes, I have worked with APP. The steps involve designing, developing, testing, and deploying the application.
• Design the user interface and functionality of the APP

• Develop the APP using programming languages like Java, Swift, or React Native

• Test the APP for bugs and errors

• Deploy the APP to app stores or internal servers for users to access
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Q5. How would you configure material?
Ans. 
Material can be configured by adjusting its properties and parameters to meet specific requirements.
• Identify the specific requirements for the material

• Adjust properties such as density, strength, and flexibility

• Consider parameters like temperature resistance and chemical compatibility

• Test the configured material to ensure it meets the desired specifications
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Q6. What is your role in your current company
Ans. 
I am responsible for managing client relationships, providing strategic advice, and overseeing project implementation.
• Managing client relationships

• Providing strategic advice

• Overseeing project implementation
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I have three questions: 1. How to handle null values? 2. What are ranking functions? 3. Can you explain self joins?

Q1. Project description
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Q2. Tools used
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I primarily use tools such as Microsoft Excel, PowerPoint, and Tableau for data analysis and visualization.
• Microsoft Excel for data manipulation and analysis

• PowerPoint for creating presentations

• Tableau for data visualization
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Q1. How to do Deployment
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Q2. Mvc page life cycle
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Voice assesment,which will be evaluated by ai

Q1. Introduce yourself
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Q2. Basic dsa question on printing pattern
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