eXEGESIS Infotech Software Support Engineer Interview Questions and Answers

Q1. What is CSS Sprite
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CSS Sprite is a technique used to combine multiple images into a single image to reduce the number of server requests.
• CSS Sprite helps in reducing loading time by reducing the number of HTTP requests.

• It involves combining multiple images into one larger image and then using CSS to display only the portion of the image needed.

• This technique is commonly used for icons, buttons, and other small images on websites.

• By using...read more
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Q2. Object Oriented Programming
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Q1. Tell about yourself and your biodata
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Q2. I have explained myself
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Q1. Skill related questions
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Q1. Management questions
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Q2. Depends on questions
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Q1. Previous experiences and reason for change
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Q2. Better opportunity and new challenges
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The aptitude round had the topics of train and distance and time , OOPS , Core Java , JavaScript questions , Operating System questions and DBMS questions.

Q1. Had some data structures and algorithm questions and graph , dynamic programming questions
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Q2. Questions in the datastructures
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It had normal quants questions. Those questions were reasonably tough and not too irrelevant. It also contained Java technical MCQs, Linux commands.

There were 3 coding questions conducted on a purchased platform. 1 question was related to strings. Another one related to Linked list (DS). Other one was a complex problem.

Q1. Related to HTML, CSS
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Q2. A problem to solve using recursion
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Q3. Linked list reversal - problem solving
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Q4. Garbage collector in java
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Garbage collector in Java is responsible for automatically managing memory by reclaiming unused objects.
• Garbage collector runs in the background to reclaim memory from objects that are no longer in use.

• It helps prevent memory leaks and optimize memory usage.

• Examples of garbage collectors in Java include Serial, Parallel, CMS, and G1.
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Q5. Final keyword, finally block, finalize method
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Q6. SQL query - problem solving
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Q1. A panel of 5 members questioned me regarding OOPS designing, my project related questions, puzzles
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Q2. Questions regarding normalization
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Q3. An extempore on a given topic
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Q4. General personal HR questions
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Q1. Basic ios Questions No DS questions
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Q2. Basic swift quesions
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Q3. In App Purchase
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Q4. Hardware Device connectivity
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Q1. What are oops concepts in java, explain real time scenario
Ans. 
OOPs concepts in Java include inheritance, polymorphism, encapsulation, and abstraction.
• Inheritance allows a subclass to inherit properties and methods from a superclass.

• Polymorphism allows objects to take on multiple forms and behave differently based on their context.

• Encapsulation hides the implementation details of an object and only exposes necessary information.

• Abstraction allows for the creation of abstract class...read more
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Q2. Uses of interface, inheritance
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Interfaces define contracts for behavior, while inheritance allows for code reuse and polymorphism.
• Interfaces allow for loose coupling and abstraction, enabling multiple implementations of the same behavior.

• Inheritance allows for code reuse and extension of existing classes, reducing code duplication.

• Polymorphism allows objects of different classes to be treated as if they were of the same class, simplifying code and i
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Q3. SQL query for join of tables
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SQL query for joining tables
• Use JOIN keyword to combine two or more tables based on a related column

• Specify the columns to be selected using SELECT keyword

• Use ON keyword to specify the condition for joining the tables

• Different types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN
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Q4. Java concepts used in your project
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Used Java concepts such as inheritance, polymorphism, and exception handling in my project.
• Implemented inheritance to create a base class and derived classes with specific functionalities.

• Utilized polymorphism to allow objects of different classes to be treated as if they were of the same class.

• Implemented exception handling to handle errors and prevent program crashes.

• Used interfaces to define a set of methods that a ...read more
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Q5. Overloading vs overriding, practical uses
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Overloading is having multiple methods with the same name but different parameters. Overriding is having a method in a subclass with the same name and parameters as a method in the superclass.
• Overloading is used to provide different ways to call a method with different parameters

• Overriding is used to provide a specific implementation of a method in a subclass

• Overloading is resolved at compile-time while overriding is r...read more
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