10+ CEN21 Interview Questions and Answers

To solve stability issues in web automation, ensure robust error handling, optimize element locators, use wait commands, and run tests on stable environments.

• Implement robust error handling to gracefully handle unexpected errors and exceptions.

• Optimize element locators to ensure reliable identification of web elements.

• Use wait commands to ensure that elements are fully loaded before interacting with them.

• Run tests on stable environments to minimize the impact of external fact...read more

A storage bucket in Orchestrator is a container used to store files and data related to automation processes.

• Storage buckets can be used to store input files, output files, logs, and other data needed for automation processes.

• They help in organizing and managing data efficiently within Orchestrator.

• Examples of storage buckets include 'InputFiles', 'OutputFiles', 'Logs', etc.

Multibot Architecture is a framework where multiple bots work together to achieve a common goal in Robotic Process Automation (RPA).

• Multibot Architecture involves multiple bots collaborating to automate complex processes.

• Each bot in the architecture is responsible for a specific task or sub-process.

• The bots communicate with each other to share information and coordinate their actions.

• This architecture allows for scalability and flexibility in RPA implementations.

• Example: One ...read more

Pdf Automation is the process of using software robots to automate the extraction, processing, and manipulation of data from PDF documents.

• Pdf Automation involves using RPA tools to extract text, images, and other data from PDF files.

• It can also involve converting PDF files into other formats, such as Excel or Word.

• Pdf Automation can streamline document processing tasks and improve efficiency in various industries.

• Examples of Pdf Automation tools include UiPath, Blue Prism, a...read more

To stabilize a dynamic selector, use wildcards, anchor base, idx attribute, and reliable attributes.

• Use wildcards (*) to replace changing parts of the selector.

• Utilize anchor base to anchor the selector to a stable element.

• Consider using the idx attribute if the element's position is consistent.

• Use reliable attributes like aaname, id, or css classes for selectors.

• Regularly test and update selectors to ensure stability.

Developed a chatbot for college library to assist students in finding books and resources.

• Researched natural language processing techniques for chatbot functionality

• Implemented chatbot using Python and Rasa framework

• Integrated chatbot with library database for real-time book availability information

Unique queue items can be detected by comparing item attributes like ID or name.

• Compare unique identifiers like item ID or name

• Use conditional statements to check for uniqueness

• Implement error handling for duplicate items

Storage buckets are containers used to store data in cloud storage services like Google Cloud Storage or Amazon S3.

• Storage buckets are used to organize and store data in cloud storage services.

• They can hold various types of data such as files, images, videos, and documents.

• Access to storage buckets can be controlled through permissions and policies.

• Examples of cloud storage services that use storage buckets include Google Cloud Storage and Amazon S3.

Multibot architecture involves multiple bots working together to automate complex processes.

• Multibot architecture allows for division of tasks among different bots based on their strengths and capabilities.

• Bots can communicate with each other to share information and coordinate their actions.

• Example: One bot extracts data from emails, another bot processes the data, and a third bot updates the database with the results.

Reverse a string without predefined methods

• Iterate through the string and swap characters from both ends until the middle is reached

• Use a temporary variable to store the character being swapped

• Convert the string to an array of characters to make swapping easier

Searching elements in an array of strings

• Use a loop to iterate through the array

• Compare each element with the search term

• Return the index of the element if found, else -1