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Node.js buffers are temporary storage containers for binary data.
Buffers are instances of the Buffer class in Node.js
They are used to handle binary data directly
Buffers are similar to arrays of integers but correspond to raw memory allocations outside the V8 heap
Example: const buf = Buffer.from('hello')
Example: buf.toString() // 'hello'
Indexes in MongoDB are used to improve query performance by allowing the database to quickly locate and retrieve specific documents.
Indexes can be created on a single field or a combination of fields in a collection.
Common types of indexes in MongoDB include single field, compound, multi-key, and text indexes.
Indexes can significantly improve query performance, especially for frequently accessed fields.
Example: db.coll...
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I applied via Company Website and was interviewed in Jun 2024. There were 2 interview rounds.
I applied via Referral and was interviewed in Sep 2024. There was 1 interview round.
The requirement of bananas in a city like Mumbai can be calculated based on population, consumption habits, and availability.
Calculate the population of Mumbai
Estimate the average consumption of bananas per person
Consider factors like tourism and events that may increase demand
Take into account the availability of bananas from local markets and imports
A good retailer focuses on customer satisfaction, product quality, and efficient operations.
Good retailers prioritize customer satisfaction by providing excellent customer service and addressing customer needs.
Good retailers offer high-quality products that meet customer expectations.
Good retailers have efficient operations, including inventory management, supply chain logistics, and streamlined processes.
Bad retailers...
posted on 29 Sep 2024
I applied via Approached by Company and was interviewed in Aug 2024. There were 4 interview rounds.
posted on 4 Jun 2024
I applied via Approached by Company and was interviewed in May 2024. There were 4 interview rounds.
Group Discussion as the ABM ,GM , Founder and Co Fouder
The Reporting Manager is the individual to whom the Business Development Manager will report to.
The Reporting Manager is typically a higher-level manager within the organization
They are responsible for overseeing the work and performance of the Business Development Manager
The Reporting Manager provides guidance, feedback, and support to the Business Development Manager
Examples of Reporting Managers could include the Di...
I applied via Approached by Company and was interviewed in May 2024. There were 2 interview rounds.
Networking
Desktop
Server
Vendor managment
Video conference setup
Switches connect devices within a network, while routers connect different networks together.
Switches operate at Layer 2 of the OSI model and use MAC addresses to forward data within a network.
Routers operate at Layer 3 of the OSI model and use IP addresses to route data between different networks.
Switches are used to create local area networks (LANs) and connect devices like computers, printers, and servers.
Routers ar...
Internet error resolving steps
Check network cables and connections
Restart the router or modem
Clear browser cache and cookies
Flush DNS cache
Run network troubleshooter
Check firewall settings
Contact ISP for assistance
I applied via Campus Placement
Written test with 16 aptitude and 10 pseudo code
6 questions with moderate level
posted on 7 Mar 2024
I applied via Wellfound and was interviewed in Feb 2024. There were 3 interview rounds.
Design a web crawler to efficiently crawl and index web pages.
Consider using a breadth-first or depth-first search algorithm to traverse the web pages.
Implement a system to handle duplicate content and avoid infinite loops.
Use a priority queue to prioritize which pages to crawl next based on relevance or importance.
Include a mechanism to handle dynamic content and JavaScript-rendered pages.
Optimize the crawler for spee...
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