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Fiber optic technology is now used for high-speed internet connections, telecommunications, and data transmission.
Fiber optic cables use light to transmit data instead of electricity
Fiber optic technology allows for faster and more reliable internet connections
FTTX technicians install and maintain fiber optic networks for homes and businesses
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I applied via Naukri.com and was interviewed in Nov 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in May 2021. There was 1 interview round.
I applied via Naukri.com and was interviewed in Sep 2020. There were 3 interview rounds.
Event loop is a mechanism that allows non-blocking I/O operations in a single-threaded environment.
Event loop is used in programming languages like JavaScript and Python.
It manages the execution of multiple tasks by prioritizing them based on their priority level.
It continuously checks for new events and executes them in a loop.
It allows for efficient handling of I/O operations without blocking the main thread.
It is co...
let, var and const are used to declare variables in JavaScript with different scoping rules and mutability.
let and var are used to declare variables that can be reassigned later, but var has function scope while let has block scope.
const is used to declare variables that cannot be reassigned and have block scope.
Using const does not mean the value is immutable, only the variable reference is.
let and const were introduc...
I applied via Recruitment Consulltant and was interviewed before Sep 2021. There were 3 interview rounds.
This was a very easy test. It can be crackable easily.
Junit test cases should always be re-run to ensure code quality and prevent regression.
Junit test cases should be run after every code change.
Test cases should cover all possible scenarios and edge cases.
Test cases should be automated to save time and ensure consistency.
Test cases should be reviewed and updated regularly.
Regression testing should be performed to ensure new changes do not break existing functionality.
I applied via Referral and was interviewed before Jul 2021. There were 3 interview rounds.
I appeared for an interview before Sep 2020.
Round duration - 90 minutes
Round difficulty - Medium
We were supposed to give test in any time between 3 PM to 9 PM.
You are located at point ‘A’, the top-left corner of an M x N matrix, and your target is point ‘B’, the bottom-right corner of the same matrix. Your task is to calcula...
The problem involves finding the total number of unique paths from the top-left to bottom-right cell of a matrix by moving only right or down.
Use dynamic programming to solve the problem efficiently.
Create a 2D array to store the number of unique paths at each cell.
Initialize the first row and first column with 1 as there is only one way to reach them.
For each cell (i, j), the number of unique paths is the sum of paths...
We are provided with a tree containing 'N' nodes, numbered from 0 to N-1. The objective is to determine the total number of nodes within each subtree of the provided tree. Speci...
Given a tree with N nodes, find the number of elements in each subtree rooted at every node.
Traverse the tree using Depth First Search (DFS) to calculate subtree sizes for each node.
Use an array to store subtree sizes for each node, starting with leaf nodes having size 1.
The subtree size of a node is the sum of subtree sizes of its children plus 1 for the node itself.
Round duration - 120 minutes
Round difficulty - Medium
Pair Programming Interview( this round is similar to machine coding round) it started around 11 AM
Focus Areas: Problem solving and implementation of extensions.
The pair coding round is focused on OOPS concepts. You are paired with a TWer for this round. They let you code first for an hour and in the next hour they review your code and suggest changes which would improve the code structure, readability and make it modular and reusable and functional.
Ninja stands at the start of a wooden bridge over a river. Some segments of the bridge are damaged. The undamaged segments, marked as 'safe', are listed in an array S...
Check if Ninja can cross the river by jumping from one safe segment to another based on given constraints.
Iterate through the 'SAFE' array and check if Ninja can make the required jumps to reach the last safe segment.
Ensure that the next jump is either 'X' - 1, 'X', or 'X' + 1 units from the previous jump.
Return 'true' if Ninja can successfully cross the river, otherwise return 'false'.
Round duration - 120 minutes
Round difficulty - Medium
Students who were shortlisted from Pair Programming round was selected for this round around 3 PM. In this round there were two interviewer.
You are given the head node of a singly linked list. Your task is to return a pointer pointing to the middle of the linked list.
If there is an odd number of elements, return the ...
Return the middle element of a singly linked list, or the one farther from the head if there are even elements.
Traverse the linked list with two pointers, one moving twice as fast as the other
When the fast pointer reaches the end, the slow pointer will be at the middle
Return the element pointed to by the slow pointer
Tip 1 : Have good grasp on OOPS since they have a round named Pair Programming round which is focused upon this.
Tip 2 : Write clean, modular and functional code.
Tip 3 : Practice Data Structures and Algorithms
Tip 4 : You should know breadth and depth of whatever is mentioned in your resume.
Tip 5 : Be loud and clear.
Tip 1 : Make single page resume.
Tip 2 : Mention relevant things on resume.
Tip 3 : Do not put any false things on resume. Projects, internships you are mentioning be ready to answer questions related to it regarding what you solved, idea, databases, design.
Tip 4 : Contribute in open source, participate in hackathons.
I applied via Walk-in and was interviewed before Jun 2021. There were 3 interview rounds.
Quantitative ability and logical ability
I am proficient in Java and Python.
Strong understanding of object-oriented programming concepts
Experience with Java frameworks such as Spring and Hibernate
Proficient in Python libraries such as NumPy and Pandas
Program to print HCF of numbers as output
Take input of two numbers from user
Find the smaller number between the two
Run a loop from 1 to the smaller number
Check if both numbers are divisible by the current loop variable
If yes, update the HCF variable
Print the HCF as output
I appeared for an interview before Oct 2021.
based on 1 interview
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