20+ Technology Analyst Interview Questions and Answers for Freshers

SDLC consists of several phases including planning, analysis, design, implementation, testing, deployment, and maintenance.

• Planning: Defining project goals, scope, and requirements.

• Analysis: Gathering and analyzing user requirements.

• Design: Creating a detailed blueprint of the software solution.

• Implementation: Writing code and developing the software.

• Testing: Conducting various tests to ensure software quality.

• Deployment: Releasing the software for users.

• Maintenance: Providin...read more

To divide a cake into 8 parts with only 3 cuts, make two perpendicular cuts to create 4 equal pieces, then cut each of those pieces in half.

• Make a horizontal cut across the middle of the cake to create 2 equal halves.

• Make a vertical cut through the middle of the cake to create 4 equal quarters.

• Make a diagonal cut through each quarter to create 8 equal parts.

Use AWS Lambda to automate EC2 provisioning by writing code in Python or Node.js.

• Create a Lambda function in AWS console.

• Write code in Python or Node.js to describe the EC2 instance to be provisioned.

• Use AWS SDK to interact with EC2 API for provisioning.

• Handle error cases and cleanup resources after provisioning.

• Test the Lambda function to ensure it provisions EC2 instances correctly.

Agile was followed in the project by implementing iterative development, continuous feedback, and collaboration.

• The project used Scrum framework for agile implementation.

• Sprints were planned and executed to deliver incremental value.

• Daily stand-up meetings were held to discuss progress and address any issues.

• Backlog grooming sessions were conducted to prioritize and refine user stories.

• Continuous integration and automated testing were used to ensure code quality.

• Regular retro...read more

Filter employee objects from a list using Java streams.

• Use stream() method to convert the list to a stream.

• Use filter() method to specify the condition for filtering employee objects.

• Use collect() method to collect the filtered employee objects into a new list.

Developed a mobile app, implemented a data analytics system, and led a successful software upgrade.

• Developed a mobile app that increased user engagement by 30%.

• Implemented a data analytics system that improved decision-making process and reduced costs by 20%.

• Led a successful software upgrade project, ensuring minimal downtime and improved system performance.

Bubble Sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements and swaps them if they are in the wrong order.

• Bubble Sort compares adjacent elements and swaps them if they are in the wrong order.

• It continues this process until the entire list is sorted.

• It is called Bubble Sort because smaller elements 'bubble' to the top of the list.

• Bubble Sort has a time complexity of O(n^2) in the average and worst case scenarios.

• Example: Given a...read more

Java program to sort a list of strings

• Use Collections.sort() method to sort the list of strings

• Create a list of strings and add elements to it

• Call Collections.sort() method on the list to sort it

Dependency Injection is a design pattern that allows objects to receive dependencies rather than creating them internally.

• It helps to decouple the code and makes it more testable and maintainable.

• It allows for easier swapping of dependencies without changing the code.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.

• Example: Instead of creating a database connection object inside a class, the object is passed as a ...read more

Boxing is the process of converting a value type to a reference type, while unboxing is the process of converting a reference type to a value type.

• Boxing is done implicitly by the compiler when a value type is assigned to a reference type variable.

• Unboxing requires an explicit cast from the reference type to the value type.

• Boxing and unboxing can impact performance as they involve memory allocation and copying of data.

• Example: int num = 10; object obj = num; // Boxing, conver...read more

MVC stands for Model-View-Controller, a software architectural pattern. Razor is a markup syntax used in ASP.NET MVC.

• MVC is a design pattern that separates an application into three main components: Model, View, and Controller

• Razor is a markup syntax used in ASP.NET MVC to create dynamic web pages

• MVC helps in organizing code and separating concerns, making it easier to maintain and test applications

Software development is the process of creating, designing, testing, and maintaining software applications.

• Involves writing code to create software applications

• Includes designing the user interface and user experience

• Testing the software for bugs and errors

• Maintaining and updating the software as needed

Connections and terms in technology analysis are essential for understanding the relationships between different components and concepts.

• Connections refer to the relationships between different elements in a system or network.

• Terms are the specific vocabulary used to describe concepts, tools, and processes in technology analysis.

• Understanding connections and terms helps analysts make sense of data, identify patterns, and draw conclusions.

• Examples: network topology, data encry...read more

Design a database schema for a university

• Create tables for students, courses, professors, departments, and enrollments

• Establish relationships between tables using foreign keys

• Include attributes such as student ID, course ID, professor ID, department ID, and enrollment date

• Consider normalization to reduce redundancy and improve data integrity

Interface and abstract are both used for abstraction in object-oriented programming.

• Interfaces define a contract that a class must implement.

• Abstract classes provide a base implementation that can be extended by subclasses.

• Interfaces can be implemented by multiple classes, while a class can only extend one abstract class.

• Interfaces can only have abstract methods, while abstract classes can have both abstract and concrete methods.

Oops concepts are the fundamental concepts of object-oriented programming.

• Encapsulation - binding data and functions together

• Inheritance - creating new classes from existing ones

• Polymorphism - ability of objects to take on multiple forms

• Abstraction - hiding implementation details from users

OOPS concepts are implemented in object-oriented programming languages to improve code organization and reusability.

• Encapsulation: bundling data and methods that operate on the data into a single unit (class)

• Inheritance: allows a class to inherit properties and behavior from another class

• Polymorphism: ability for objects to be treated as instances of their parent class or their own class

• Abstraction: hiding the complex implementation details and showing only the necessary feat...read more

cp command is used in Unix and Linux operating systems to copy files and directories.

• Used to copy files and directories from one location to another

• Syntax: cp [options] source destination

• Options include -r for recursive copying, -i for interactive mode, -v for verbose output

• Example: cp file1.txt /path/to/directory/

mv command is used in Unix and Linux operating systems to move files or directories from one location to another.

• Used to rename files or directories by moving them to a new location

• Syntax: mv [options] source destination

• Example: mv file1.txt /path/to/new/location/

ArrayList is non-synchronized and Vector is synchronized.

• ArrayList is faster than Vector.

• Vector is thread-safe while ArrayList is not.

• Vector is a legacy class while ArrayList is not.

• Vector doubles its size while ArrayList increases by 50%.

• ArrayList is preferred over Vector in most cases.

Oops concept refers to Object-Oriented Programming concepts like inheritance, polymorphism, encapsulation, and abstraction.

• Inheritance allows a class to inherit properties and behavior from another class.

• Polymorphism allows objects to be treated as instances of their parent class.

• Encapsulation hides the internal state of an object and only allows access through methods.

• Abstraction focuses on the essential qualities of an object rather than its specific details.

Partitioning in Oracle allows tables, indexes, and index-organized tables to be subdivided into smaller, more manageable pieces.

• Partitioning improves query performance by allowing operations to be performed on individual partitions instead of the entire table.

• Types of partitioning include range, list, hash, and composite partitioning.

• Example: Creating a range partitioned table based on a date column to store data for each month separately.