30+ RPA Developer Interview Questions and Answers for Freshers

Procedural language focuses on procedures and functions, while object-oriented language focuses on objects and classes.

• Procedural language: C, Pascal, BASIC

• Object-oriented language: Java, C++, Python

• Procedural languages are better for small projects, while object-oriented languages are better for large and complex projects

Find the missing and duplicated numbers in an array of strings.

• Convert the array of strings to integers for easier manipulation.

• Calculate the sum of all numbers in the array and compare it to the sum of numbers from 1 to n, where n is the length of the array.

• The difference between the two sums will give you the missing number.

• To find the duplicated number, keep track of the frequency of each number in a hashmap.

Software Development Life Cycle (SDLC) is a process used by software development teams to design, develop, and test high-quality software.

• Waterfall Model: Sequential approach with distinct phases like requirements, design, implementation, testing, and maintenance.

• Agile Model: Iterative approach with continuous feedback and collaboration between cross-functional teams.

• Spiral Model: Combination of iterative and waterfall models, focusing on risk analysis and mitigation.

• V-Model:...read more

Fundamental data types are basic data types provided by a programming language, while derived data types are created by combining fundamental data types.

• Fundamental data types include integers, floating-point numbers, characters, and booleans.

• Derived data types are created by combining fundamental data types, such as arrays, structures, and classes.

• The main difference is that fundamental data types are predefined by the programming language, while derived data types are user-...read more

Product life cycle refers to stages a product goes through from introduction to withdrawal, while software life cycle refers to stages a software goes through from development to retirement.

• Product life cycle includes introduction, growth, maturity, and decline stages.

• Software life cycle includes planning, development, testing, deployment, and maintenance stages.

• Product life cycle focuses on physical products, while software life cycle focuses on software development.

• Product ...read more

Linear data types have elements arranged in a sequential order, while non-linear data types do not have elements arranged in a sequential order.

• Linear data types include arrays, linked lists, and queues.

• Non-linear data types include trees and graphs.

• Linear data types have a single path to traverse all elements, while non-linear data types have multiple paths.

Interpreted languages are executed line by line while compiled languages are translated into machine code before execution.

• Interpreted languages are executed line by line, translating and executing code simultaneously

• Compiled languages are translated into machine code before execution, resulting in faster performance

• Examples of interpreted languages: Python, JavaScript, Ruby

• Examples of compiled languages: C, C++, Java

A list is a collection of items that can be of different data types, while an array is a collection of items of the same data type.

• List can contain items of different data types, while array can only contain items of the same data type.

• Lists are dynamic in size, while arrays have a fixed size.

• In Python, a list is represented by square brackets [], while an array is represented by numpy arrays or arrays module.

RPA stands for Robotic Process Automation, which is the use of software robots to automate repetitive tasks.

• RPA can automate tasks such as data entry, data extraction, form filling, and report generation.

• It can improve efficiency by reducing human errors and speeding up processes.

• RPA is used in various industries like finance, healthcare, and manufacturing.

• Examples of RPA tools include UiPath, Blue Prism, and Automation Anywhere.

Inner join will have more number of rows compared to outer join.

• Inner join returns only the matching rows between two tables

• Outer join returns all rows from one table and matching rows from the other table

• Example: If Table A has 10 rows and Table B has 8 rows, inner join will have maximum 8 rows while outer join can have maximum 10 rows

I am comfortable with Python as a programming language.

• Python is known for its simplicity and readability, making it a popular choice for developers.

• It has a large standard library and community support, making it easy to find resources and solutions.

• Python is versatile and can be used for web development, data analysis, automation, and more.

Different types of joins include inner join, outer join, left join, and right join.

• Inner join: Returns rows when there is a match in both tables.

• Outer join: Returns all rows when there is a match in one of the tables.

• Left join: Returns all rows from the left table and the matched rows from the right table.

• Right join: Returns all rows from the right table and the matched rows from the left table.

Classes in programming provide a way to organize and structure code by grouping related data and functions together.

• Classes help in organizing code by grouping related data and functions together

• Encapsulation allows for data hiding and protection

• Inheritance enables code reusability and promotes the DRY (Don't Repeat Yourself) principle

• Polymorphism allows for flexibility and extensibility in code design

Screen scraping extracts data from UI elements while data scraping extracts structured data from web pages.

• Screen scraping involves extracting data from UI elements such as text boxes, buttons, and images.

• Data scraping involves extracting structured data from web pages such as tables, lists, and grids.

• Screen scraping is typically used when there is no API available to extract data.

• Data scraping is typically used when there is a need to extract large amounts of data from multi...read more

Encapsulation is the concept of bundling data and methods that operate on the data into a single unit. Polymorphism allows objects to be treated as instances of their parent class.

• Encapsulation helps in hiding the internal state of an object and restricting access to it.

• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• Encapsulation ensures data integrity and prevents unauthorized access.

• Polymorphism enables flexibility in code d...read more

Interpreted languages are used for their flexibility, ease of debugging, and platform independence.

• Interpreted languages are easier to read and write compared to compiled languages.

• They allow for dynamic typing, making it easier to work with different data types.

• Interpreted languages are platform independent, meaning the code can run on any system with the interpreter installed.

• Debugging is easier in interpreted languages as errors are reported line by line during execution.

• E...read more

UiPath is the best RPA tool for automation due to its user-friendly interface, scalability, and extensive community support.

• UiPath has a user-friendly interface which makes it easy for developers to create automation workflows.

• UiPath offers scalability, allowing organizations to easily expand their automation initiatives as needed.

• UiPath has a large and active community support, providing resources and assistance to developers.

• UiPath provides a wide range of features and inte...read more

Yes, I am familiar with various algorithms commonly used in RPA development.

• I am familiar with sorting algorithms like bubble sort, quick sort, and merge sort.

• I have experience with searching algorithms such as linear search and binary search.

• I am knowledgeable about graph algorithms like Dijkstra's algorithm and breadth-first search.

Tuple is immutable and fixed in size, while list is mutable and can be resized.

• Tuple is defined using parentheses, while list is defined using square brackets.

• Tuple elements can be of different data types, while list elements can be of the same or different data types.

• Tuple is faster than list for iteration and accessing elements.

• Example: tuple = (1, 'a', True), list = [1, 'a', True]

Some searching algorithms include linear search, binary search, depth-first search, and breadth-first search.

• Linear search: Iterates through each element in a list until the desired element is found.

• Binary search: Divides a sorted array in half to determine if the target value is in the lower or upper half.

• Depth-first search: Explores as far as possible along each branch before backtracking.

• Breadth-first search: Explores all neighbor nodes at the present depth prior to moving...read more

There are three types of recorders available in UiPath: Basic, Desktop, and Web.

• Basic Recorder: Used for automating simple tasks and can only record mouse and keyboard actions.

• Desktop Recorder: Used for automating desktop applications and can record mouse, keyboard, and click activities.

• Web Recorder: Used for automating web applications and can record mouse, keyboard, and click activities on web pages.

• Examples: Basic Recorder can be used to automate data entry tasks, Desktop ...read more

Automation Anywhere architecture consists of Control Room, Bot Creators, and Bot Runners.

• Control Room acts as a centralized hub for managing bots, scheduling tasks, and monitoring performance.

• Bot Creators are used to design and create bots by recording tasks or using pre-built actions.

• Bot Runners execute the automated tasks created by Bot Creators on various machines.

• The architecture also includes a Bot Store for accessing pre-built bots and a Bot Insight for analytics and re...read more

Some 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 time by inserting each element into its correct position

• Merge...read more

RPA life cycle involves identifying processes, designing bots, testing, deploying, and monitoring for continuous improvement.

• Identification of processes suitable for automation

• Designing and developing RPA bots to automate the identified processes

• Testing the bots to ensure they work as intended

• Deploying the bots into production environment

• Monitoring the bots' performance and making improvements as needed

DOM selectors are used in web automation to locate and interact with elements on a webpage.

• DOM selectors are used to identify elements on a webpage using attributes like id, class, name, etc.

• Common DOM selectors include getElementById(), getElementsByClassName(), querySelector(), etc.

• Using the correct DOM selector is crucial for successful web automation.

• Example: document.getElementById('elementId') will select an element with a specific id.

Hypercare phase is a period after implementation where extra support is provided to ensure smooth transition and address any issues.

• Hypercare phase typically lasts for a few weeks to a few months after implementation

• During hypercare phase, additional resources are allocated to address any issues or concerns raised by users

• Regular check-ins and follow-ups are conducted to ensure that the system is functioning as expected

• Hypercare phase helps in identifying and resolving any po...read more

Linked list is a data structure where each node points to the next node.

• Create a node struct with data and a pointer to the next node

• Traverse the linked list using a while loop and the next pointer

• Insert a new node at the beginning of the linked list by updating the head pointer

RPA cannot handle tasks that require human emotions, creativity, and critical thinking.

• RPA cannot make decisions based on emotions or intuition.

• RPA cannot come up with creative solutions to complex problems.

• RPA cannot adapt to unexpected situations that require critical thinking.

• RPA cannot handle tasks that involve empathy or understanding human emotions.

• RPA cannot replace jobs that require human interaction or communication skills.

I rate myself as proficient in Java with strong knowledge of core concepts and experience in developing applications.

• Strong understanding of object-oriented programming principles

• Experience in developing Java applications using frameworks like Spring and Hibernate

• Familiarity with Java 8 features such as lambda expressions and streams

• Ability to write efficient and optimized code

• Experience in debugging and troubleshooting Java applications