Junk Mail Marketplace Tele 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
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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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1. Know Your Audience: Understand their expectations and tailor your speech accordingly.


2. Be Confident: Maintain good posture, make eye contact, and speak clearly.


3. Structure Your Talk: Start with an engaging introduction, deliver a clear message, and end with a strong conclusion.


4. Practice: Rehearse to improve your flow and timing.

1. Core Topics: Arrays, strings, recursion, and algorithms (sorting, searching).


2. Problem-Solving: Practice coding on LeetCode or HackerRank.


3. Efficiency: Optimize for time and space complexity.


4. Languages: Be proficient in one (like Python, Java, or C++).


5. Debugging: Test for edge cases and fix errors quickly

1. Core Topics: Arrays, strings, recursion, and algorithms (sorting, searching).


2. Problem-Solving: Practice coding on LeetCode or HackerRank.


3. Efficiency: Optimize for time and space complexity.


4. Languages: Be proficient in one (like Python, Java, or C++).


5. Debugging: Test for edge cases and fix errors quickly

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"
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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
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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
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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
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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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Percentage and averages, number and alphabet series, compound interest (CI) and simple interest (SI).

Basic programs include: 1. A program to perform the addition of two numbers, 2. A program to print a star pattern, and 3. A program to generate a triangle output, among others.

Q1. What challenges did we face?
Ans. 
We faced challenges related to communication, resource allocation, and project timelines.
• Communication breakdown between team members

• Limited resources available for the project

• Struggling to meet project deadlines
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Q2. Where do you see yourself in the next five years?
Ans. 
In five years, I see myself as a senior consultant leading projects and mentoring junior team members.
• Advancing to a senior consultant role

• Leading projects and teams

• Mentoring junior team members

• Continuing professional development through training and certifications
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Q3. What strategies can be employed to overcome failures?
Ans. 
Strategies to overcome failures include learning from mistakes, staying positive, seeking feedback, and setting new goals.
• Learn from mistakes by analyzing what went wrong and how to improve

• Stay positive and maintain a growth mindset to bounce back from setbacks

• Seek feedback from mentors or colleagues to gain different perspectives

• Set new goals and create a plan to move forward with renewed motivation
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Q4. Are you able to work effectively under pressure?
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Yes, I thrive under pressure and can effectively manage my time and priorities to meet deadlines.
• I have experience working in fast-paced environments where quick decision-making and adaptability are key.

• I am able to stay calm and focused under pressure, allowing me to deliver high-quality work even in challenging situations.

• I prioritize tasks effectively to ensure that deadlines are met without compromising on quality.

• ...read more
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Q1. Java Based Questions
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Problem solving skills

Q1. Common sorting algorithms
Ans. 
Common sorting algorithms include Bubble Sort, Selection Sort, Insertion Sort, Merge Sort, Quick Sort, and Heap Sort.
• Bubble Sort - repeatedly steps through the list, compares adjacent elements, and swaps them if they are in the wrong order

• Selection Sort - repeatedly finds the minimum element from the unsorted part and swaps it with the first unsorted element

• Insertion Sort - builds the final sorted array one item at a t...read more
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Q2. Second largest element in an array
Ans. 
Find the second largest element in an array of strings.
• Convert the strings to integers for comparison.

• Sort the array in descending order.

• Access the second element in the sorted array to get the second largest element.
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Q3. Reverse string
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Q4. Palindrome check
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Q5. Java Exception Handling
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Q6. Java Streams and Lambdas
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Q1. Explain inter company accounting
Ans. 
Inter company accounting involves recording financial transactions between different entities within the same organization.
• Inter company accounting ensures accurate financial reporting within a group of companies.

• Transactions between entities are eliminated to avoid double counting.

• Common inter company transactions include sales, purchases, loans, and transfers of assets.

• Inter company accounts are used to track these t...read more
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Q2. Foreign Currency Revaluation
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Q1. Explain the process you follow for support project
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Q2. How do you manage a team
Ans. 
I manage a team by setting clear goals, providing support and resources, fostering open communication, and recognizing achievements.
• Set clear goals and expectations for team members

• Provide necessary support and resources for team to succeed

• Foster open communication and encourage collaboration

• Recognize and reward team achievements

• Delegate tasks effectively based on team members' strengths and skills
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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
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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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