Bhartiya Harit Khadi Gramodaya Sansthan Interview Questions and Answers

A fingerprint in web scraping is a unique identifier used to track changes in a website's content.

• Fingerprints are typically generated using a hash function on the website's content.

• They help in detecting changes in the website's structure or data.

• Fingerprints are useful for monitoring websites for updates or changes.

• Example: If a website's fingerprint changes, it indicates that the content has been updated.

XPath is a language used for selecting nodes in an XML document or HTML page for web scraping purposes.

• XPath stands for XML Path Language.

• It uses path expressions to navigate through elements and attributes in an XML document.

• XPath can be used in web scraping to extract specific data from a website by targeting specific elements or attributes.

• Example: //div[@class='content'] selects all div elements with class 'content'.

Selenium is a tool used for automating web browsers.

• Automating web testing

• Automating repetitive tasks on web applications

• Cross-browser testing

• Supports multiple programming languages like Java, Python, etc.

Web scraping is the process of extracting data from websites using automated tools or scripts.

• Web scraping involves fetching and parsing HTML content from websites.

• It can be used to extract specific information such as product prices, news articles, or contact details.

• Popular tools for web scraping include BeautifulSoup, Scrapy, and Selenium.

• Web scraping should be done ethically and in compliance with website terms of service.

• Some websites may have measures in place to preven...read more

asyncio is a Python library that provides asynchronous I/O, event loops, and coroutines for concurrent programming.

• asyncio allows you to write concurrent code using the async/await syntax

• It is particularly useful for I/O-bound and high-level structured network code

• asyncio provides event loops to manage asynchronous tasks and coroutines for non-blocking operations

DBMS features include data storage, retrieval, security, concurrency control, and data integrity.

• Data storage: DBMS allows for efficient storage and retrieval of data.

• Data retrieval: Users can easily query and retrieve specific data from the database.

• Security: DBMS provides mechanisms to control access to data and ensure data privacy.

• Concurrency control: DBMS manages multiple users accessing the database simultaneously.

• Data integrity: DBMS enforces rules to maintain the accur...read more