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A network is a collection of interconnected devices and systems that communicate and share resources.
A network allows devices to connect and communicate with each other.
It enables the sharing of resources such as files, printers, and internet connections.
Networks can be wired or wireless, local (LAN) or wide area (WAN).
Examples of networks include the internet, intranets, and home networks.
DHCP stands for Dynamic Host Configuration Protocol. It is a network protocol that enables devices to obtain IP addresses automatically.
DHCP is used to assign IP addresses to devices on a network.
It allows devices to obtain IP addresses dynamically, without manual configuration.
DHCP also provides additional network configuration information, such as subnet mask, default gateway, and DNS server addresses.
It uses a clien...
RAM stands for Random Access Memory. It is a type of computer memory that allows data to be read or written in any order.
RAM is a volatile memory, meaning it loses its data when the power is turned off.
It is used to store data that is actively being used by the computer's operating system, applications, and processes.
RAM is faster than other types of storage like hard drives or solid-state drives.
The amount of RAM in a...
SMPS stands for Switched Mode Power Supply.
SMPS is a type of power supply that uses switching devices to convert electrical power efficiently.
It is commonly used in electronic devices such as computers, televisions, and mobile phones.
SMPS operates by rapidly switching the input voltage on and off to regulate the output voltage.
It provides a stable and regulated power supply to the components of a device.
SMPS is more ef...
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posted on 12 Sep 2020
Remote access software allows users to access and control a computer or device from a remote location.
Remote access software enables users to access and control a computer or device from a remote location
It allows for remote troubleshooting, maintenance, and support
Examples include TeamViewer, LogMeIn, and Remote Desktop Connection
Security measures such as two-factor authentication and encryption are often used to prot
Troubleshooting of devices involves identifying and resolving technical issues.
Gather information about the issue from the user
Check for error messages or codes
Perform basic checks like restarting the device
Use diagnostic tools to identify the problem
Resolve the issue by repairing or replacing faulty components
Test the device to ensure the issue is resolved
I appeared for an interview in Jun 2020.
Microphone and camera are input devices that capture audio and video respectively.
Microphone converts sound waves into electrical signals that can be processed by a computer.
Camera captures light and converts it into digital signals that can be processed by a computer.
Both devices require drivers to communicate with the computer's operating system.
Microphone and camera can be integrated into laptops or connected extern
I applied via Referral and was interviewed before Aug 2021. There was 1 interview round.
Answer on how to list in react and the input box
Use the map function to create a list in React
Use the state to store the input value
Use onChange event to update the state when the input value changes
Use onSubmit event to handle the form submission
I applied via Naukri.com and was interviewed before Oct 2023. There was 1 interview round.
Check if a string is the same forwards and backwards
Iterate through the string from both ends and compare characters
Use built-in functions like reverse() to check for palindrome
Ignore spaces and punctuation when checking for palindrome
I applied via Naukri.com and was interviewed in Dec 2024. There was 1 interview round.
Two dynamic programming challenges at the hard level on LeetCode and 10 medium-level SQL challenge.
I applied via Referral and was interviewed before Sep 2023. There were 4 interview rounds.
Two Medium DSA problem to solve
Design a scalable streaming pipeline for processing large volumes of data.
Use a distributed streaming framework like Apache Kafka or Apache Flink for real-time data processing.
Implement data partitioning and parallel processing to handle high data throughput.
Utilize cloud services like AWS Kinesis or Google Cloud Pub/Sub for scalability and reliability.
Include fault tolerance mechanisms like checkpointing and data repl...
I applied via Recruitment Consulltant and was interviewed in Jul 2021. There were 4 interview rounds.
Add 2 linked lists and return final linked list
Create a new linked list to store the sum
Traverse both linked lists simultaneously and add the corresponding nodes
Handle carry over while adding nodes
If one linked list is longer than the other, add the remaining nodes to the sum list
Finding an element in a rotated sorted array.
Use binary search to find the pivot point where the array is rotated.
Determine which half of the array the target element is in.
Perform binary search on that half of the array to find the target element.
Handle edge cases such as when the target element is at the pivot point.
Given a matrix of characters and a word, find if the word exists in the matrix.
Traverse the matrix and check if the first letter of the word matches any cell.
If it does, check if the adjacent cells match the next letter of the word.
Repeat until the entire word is found or no match is found.
Algorithm to maximize profit by buying and selling stocks.
Iterate through the array of stock prices
Keep track of the minimum price seen so far
Calculate the profit if sold at current price
Update maximum profit seen so far
Return maximum profit
I applied via LinkedIn and was interviewed before May 2021. There were 2 interview rounds.
var, let, and const are all used to declare variables in JavaScript, but they have different scoping rules and behaviors.
var has function scope and can be redeclared and reassigned
let has block scope and can be reassigned but not redeclared
const has block scope and cannot be reassigned or redeclared
Use const for values that won't change, let for values that will, and avoid var
CSS box model defines the layout of elements on a webpage. Padding and margin can apply to block-level elements but not to inline elements.
CSS box model consists of content, padding, border, and margin around an element.
Padding adds space inside the border of an element.
Margin adds space outside the border of an element.
Padding and margin can apply to block-level elements like <div> but not to inline elements lik
Arrow functions are shorter syntax for writing function expressions.
Arrow functions do not have their own 'this' keyword.
Arrow functions cannot be used as constructors.
Arrow functions do not have the 'arguments' object.
Arrow functions are more concise and easier to read.
Regular functions are better for methods and constructors.
JavaScript asynchronous model allows non-blocking code execution by using callbacks and promises.
JavaScript uses an event loop to handle asynchronous operations.
Callbacks are functions passed as arguments to other functions and executed when the operation is complete.
Promises are objects that represent the eventual completion or failure of an asynchronous operation.
Async/await is a newer syntax that allows writing asyn...
I applied via Recruitment Consulltant and was interviewed before Feb 2023. There was 1 interview round.
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