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I applied via Campus Placement and was interviewed in Aug 2023. There were 2 interview rounds.
3 Coding Questions (Medium Level) + 12 MCQ(CS Fundamentals)
I applied via Campus Placement and was interviewed in May 2022. There were 3 interview rounds.
- find 2nd min and Max from array
- find mid of linked list
- reverse stack
Search element in a sorted 2D matrix
Start from the top right corner or bottom left corner
Compare the target element with the current element
Move left or down if the target is smaller or move right or up if the target is larger
When a URL is typed in a browser, it sends a request to the server which responds with the requested web page.
Browser checks cache for DNS resolution
If not found, browser sends a DNS request to resolve the domain name to an IP address
Browser sends an HTTP request to the server at the IP address
Server responds with the requested web page
Browser renders the web page
The OSI model has 7 layers that define how data is transmitted over a network.
Layer 1: Physical layer - deals with the physical aspects of transmitting data
Layer 2: Data link layer - responsible for error-free transfer of data between nodes
Layer 3: Network layer - handles routing and forwarding of data packets
Layer 4: Transport layer - ensures reliable delivery of data between end systems
Layer 5: Session layer - establ...
TCP is a connection-oriented protocol while UDP is connectionless.
TCP provides reliable, ordered, and error-checked delivery of data while UDP does not guarantee any of these.
TCP is slower but more reliable while UDP is faster but less reliable.
TCP is used for applications that require high reliability and accuracy while UDP is used for applications that require speed and efficiency.
Examples of TCP-based applications i...
Process scheduling can be done using various algorithms such as FCFS, SJF, Round Robin, Priority scheduling, etc.
First Come First Serve (FCFS) - Processes are executed in the order they arrive.
Shortest Job First (SJF) - Processes with the shortest burst time are executed first.
Round Robin - Processes are executed in a cyclic manner with a fixed time slice.
Priority Scheduling - Processes with higher priority are execute...
In 5 years, I see myself as a senior software engineer leading a team of developers and working on complex projects.
Leading a team of developers
Working on complex projects
Continuously learning and staying updated with the latest technologies
Contributing to the growth and success of the company
Mentoring and guiding junior engineers
Versa Networks is a software-defined networking (SDN) company that provides cloud-native solutions for secure connectivity and network management.
Versa Networks specializes in SD-WAN (Software-Defined Wide Area Networking) solutions.
Their solutions enable organizations to securely connect and manage their networks across multiple locations and cloud environments.
Versa Networks offers features like traffic optimization,...
I am a software engineer with expertise in developing and maintaining software applications.
Proficient in programming languages such as Java, C++, and Python
Experienced in developing web applications using frameworks like Spring and Django
Skilled in database management and SQL queries
Familiar with version control systems like Git
Strong problem-solving and analytical skills
Excellent communication and teamwork abilities
Top trending discussions
I was interviewed before Mar 2021.
Round duration - 60 minutes
Round difficulty - Easy
Need to write working code on a shared document so that the interviewer can see if you can put your ideas into code. In this round, they are not bothered about time complexity of your algorithm. They just wanted to know if you can code whatever you think. So if you do not find best solution also it is OK but write the code for average case at-least.
Given a sorted array that has been rotated clockwise by an unknown amount, you need to answer Q
queries. Each query is represented by an integer Q[i]
, and you must ...
Search for integers in a rotated sorted array efficiently.
Use binary search to find the pivot point where the array is rotated.
Based on the pivot point, apply binary search on the appropriate half of the array.
Return the index of the integer if found, else return -1.
Time complexity should be O(logN) for each query.
Given a Binary Search Tree (BST) and a target value 'K', determine if there exist two unique elements in the BST such that their sum equals the target 'K'.
A ...
Check if there exist two unique elements in a BST that sum up to a target value 'K'.
Traverse the BST in-order to get a sorted array of elements.
Use two pointers approach to find the pair sum in the sorted array.
Consider edge cases like duplicate elements or negative values.
Time complexity can be optimized to O(n) using a HashSet to store visited nodes.
Round duration - 60 minutes
Round difficulty - Medium
I was interviewed for vcloud team so they asked me questions on Cloud, DSA etc.
You are provided with a linked list having 'N' nodes and an integer 'K'. Your task is to reverse the linked list in groups of size K. If the list is numbered fro...
Reverse a linked list in groups of size K
Iterate through the linked list in groups of size K
Reverse each group of nodes
Handle cases where the last group may have fewer than K nodes
Reverse a given stack of integers using recursion. You must accomplish this without utilizing extra space beyond the internal stack space used by recursion. Additionally, you ...
Reverse a given stack of integers using recursion without using extra space or loops.
Use recursion to pop all elements from the original stack and store them in function call stack
Once the stack is empty, push the elements back in reverse order using recursion
Use the top(), pop(), and push() methods to manipulate the stack
Cloud computing is the delivery of computing services over the internet, including storage, databases, networking, software, and more.
Cloud computing allows users to access resources on-demand without the need for physical infrastructure.
Examples of cloud computing services include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform.
Cloud computing offers scalability, flexibility, cost-effectiveness, ...
Cloud computing offers scalability, cost-efficiency, flexibility, and improved collaboration.
Scalability: Easily scale resources up or down based on demand without the need for physical infrastructure.
Cost-efficiency: Pay only for the resources you use, reducing upfront costs and maintenance expenses.
Flexibility: Access data and applications from anywhere with an internet connection, enabling remote work and collaborat...
Challenges of cloud computing include security concerns, data privacy issues, and potential downtime.
Security concerns: Data breaches and unauthorized access are major risks in cloud computing.
Data privacy issues: Ensuring compliance with regulations like GDPR can be challenging when data is stored in the cloud.
Potential downtime: Dependence on internet connectivity and cloud service providers can lead to downtime affe...
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I was interviewed before Mar 2021.
Round duration - 60 minutes
Round difficulty - Medium
Technical Interview round with questions based on DSA.
You are given a string STR
which contains alphabets, numbers, and special characters. Your task is to reverse the string.
STR = "abcde"
"e...
Reverse a given string containing alphabets, numbers, and special characters.
Iterate through the string from the end to the beginning and append each character to a new string.
Use built-in functions like reverse() or StringBuilder in languages like Python or Java for efficient reversal.
Handle special characters and numbers along with alphabets while reversing the string.
Ensure to consider the constraints on the number ...
Given an array of integers ARR
of size N, consisting of 0s and 1s, you need to select a sub-array and flip its bits. Your task is to return the maximum count of 1s that can b...
Given an array of 0s and 1s, find the maximum count of 1s by flipping a sub-array at most once.
Iterate through the array and keep track of the maximum count of 1s obtained by flipping a sub-array.
Consider flipping a sub-array from index i to j by changing 0s to 1s and vice versa.
Update the maximum count of 1s if the current count is greater.
Return the maximum count of 1s obtained after flipping a sub-array at most once
Determine whether a given array ARR
of positive integers is a valid Preorder Traversal of a Binary Search Tree (BST).
A binary search tree (BST) is a tree structure w...
Check if a given array of positive integers is a valid Preorder Traversal of a Binary Search Tree (BST).
Create a function that takes the array as input and checks if it satisfies the properties of a BST preorder traversal.
Iterate through the array and maintain a stack to keep track of the nodes in the BST.
Compare each element with the top of the stack to ensure it follows the BST property.
If the array is a valid preord...
Given a sorted array/list ARR
consisting of ‘N’ elements, and an integer ‘K’, your task is to find the first and last occurrence of ‘K’ in ARR
.
Find the first and last occurrence of a given element in a sorted array.
Use binary search to find the first occurrence of the element.
Use binary search to find the last occurrence of the element.
Handle cases where the element is not present in the array.
Round duration - 60 minutes
Round difficulty - Medium
Technical round with questions based on DSA, OS, OOPS etc.
Given two arrays A
and B
with sizes N
and M
respectively, both sorted in non-decreasing order, determine their intersection.
The intersection of two arrays in...
The problem involves finding the intersection of two sorted arrays efficiently.
Use two pointers to iterate through both arrays simultaneously.
Compare elements at the pointers and move the pointers accordingly.
Handle cases where elements are equal or not equal to find the intersection.
Return the intersection as an array of common elements.
You are provided with a linked list consisting of N nodes. Your task is to remove duplicate nodes such that each element occurs only once in t...
Remove duplicates from an unsorted linked list while preserving the order of nodes.
Iterate through the linked list while keeping track of seen elements using a hash set.
If a duplicate element is encountered, skip it by adjusting the pointers.
Ensure the order of nodes is preserved by only keeping the first occurrence of each element.
Paging is a memory management scheme that allows the operating system to store and retrieve data from secondary storage in fixed-size blocks, while swapping involves moving entire processes between main memory and disk.
Paging involves dividing physical memory into fixed-size blocks called pages, while swapping involves moving entire processes between main memory and disk.
Paging allows for more efficient use of physical...
A deadlock in operating systems occurs when two or more processes are unable to proceed because each is waiting for the other to release a resource.
Deadlock involves a circular wait, where each process is waiting for a resource held by another process in the cycle.
Four necessary conditions for deadlock are mutual exclusion, hold and wait, no preemption, and circular wait.
Example: Process A holds Resource 1 and waits fo...
Round duration - 60 minutes
Round difficulty - Medium
Technical Interview round with questions on DSA, OOPS and Puzzles.
In a wedding ceremony at NinjaLand, attendees are blindfolded. People from the bride’s side hold odd numbers, while people from the groom’s side hold even numbers. For...
Rearrange a linked list such that odd numbers appear before even numbers while preserving the order of appearance.
Iterate through the linked list and maintain two separate lists for odd and even numbers.
Merge the two lists while preserving the order of appearance.
Ensure to handle edge cases like empty list or list with only odd or even numbers.
Given a sorted array of length N
, your task is to construct a balanced binary search tree (BST) from the array. If multiple balanced BSTs are possible, you ca...
Construct a balanced binary search tree from a sorted array.
Create a function that recursively constructs a balanced BST from a sorted array.
Use the middle element of the array as the root of the BST.
Recursively build the left and right subtrees using the elements to the left and right of the middle element.
Ensure that the left and right subtrees are also balanced BSTs.
Return 1 if the constructed tree is correct, other
MVC focuses on separating concerns of an application into three components, while MVT is a variation used in Django framework.
MVC separates an application into Model (data), View (presentation), and Controller (logic) components.
MVT is used in Django framework where Model represents data, View represents presentation, and Template represents logic.
In MVC, the Controller handles user input and updates the Model and View...
Round duration - 30 minutes
Round difficulty - Easy
HR round with typical behavioral problems.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I was interviewed before Mar 2021.
Round duration - 60 minutes
Round difficulty - Easy
Technical Interview round with questions based on DSA, OOPS and puzzles.
Given a Singly Linked List of integers, your task is to reverse the Linked List by altering the links between the nodes.
The first line of input is an intege...
Reverse a singly linked list by altering the links between nodes.
Iterate through the linked list and reverse the links between nodes
Use three pointers to keep track of the current, previous, and next nodes
Update the links between nodes until the end of the list is reached
Ninja is exploring new challenges and desires to reverse a given number. Your task is to assist Ninja in reversing the number provided.
If a number has trailing ze...
Implement a function to reverse a given number, omitting trailing zeros.
Create a function that takes an integer as input and reverses it while omitting trailing zeros
Use modulo and division operations to extract digits and reverse the number
Handle cases where the reversed number has leading zeros by omitting them
Ensure the reversed number is within the constraints specified
You are given a string STR
which contains alphabets, numbers, and special characters. Your task is to reverse the string.
STR = "abcde"
"e...
Reverse a given string containing alphabets, numbers, and special characters.
Iterate through the string from end to start and append each character to a new string.
Use built-in functions like reverse() or slicing to reverse the string.
Handle special characters and numbers while reversing the string.
Ensure to consider the constraints provided in the problem statement.
Overloading in OOP is the ability to define multiple methods with the same name but different parameters.
Overloading allows multiple methods with the same name but different parameters to coexist in a class.
The compiler determines which method to call based on the number and type of arguments passed.
Example: having multiple constructors in a class with different parameter lists.
Round duration - 60 minutes
Round difficulty - Medium
Technical round with question based on Web Dev, Cloud Computing, Networking etc.
TELNET is a network protocol used to establish a connection with a remote computer over a network.
TELNET stands for Telecommunication Network.
It allows a user to log in to a remote computer and execute commands as if they were directly connected to that computer.
TELNET operates on port 23.
It is not secure as the data is transmitted in plain text.
SSH (Secure Shell) is a more secure alternative to TELNET.
TELNET is insecure, while SSH is secure for remote access to servers.
TELNET sends data in plain text, while SSH encrypts data for secure communication
SSH uses public-key cryptography for authentication, TELNET does not
SSH provides secure remote access to servers, TELNET does not prioritize security
TELNET operates on port 23, while SSH operates on port 22
Given an array/list ARR
consisting of integers where each element is either 0, 1, or 2, your task is to sort this array in increasing order.
The input sta...
Sort an array of 0s, 1s, and 2s in increasing order.
Use a three-pointer approach to partition the array into sections of 0s, 1s, and 2s.
Iterate through the array and swap elements based on their values.
Time complexity should be O(n) to meet the constraints.
A hypervisor is a software that creates and runs virtual machines on a physical host machine.
Hypervisors allow multiple operating systems to run on a single physical machine
They provide isolation between virtual machines
Examples include VMware ESXi, Microsoft Hyper-V, and KVM
Cloud computing is like renting a computer over the internet instead of owning one.
Cloud computing allows users to access and store data and applications over the internet instead of on their own physical computer.
It offers scalability, flexibility, and cost-effectiveness as users can easily adjust their storage and computing needs.
Examples include services like Amazon Web Services (AWS), Microsoft Azure, and Google Cl
The stages in the Software Development Life Cycle include planning, design, development, testing, deployment, and maintenance.
1. Planning: Define project scope, requirements, and timelines.
2. Design: Create architecture, UI/UX, and database design.
3. Development: Write code based on design specifications.
4. Testing: Verify functionality, performance, and security.
5. Deployment: Release the software to users or clients.
...
Round duration - 60 minutes
Round difficulty - Medium
Technical Interview round with questions based on DSA and OOPS. A detailed discussion on my projects was also carried out.
Given three sorted arrays A
, B
, and C
of lengths N
, M
, and K
respectively, your task is to find all elements that are present in all three arrays.
The first...
Find common elements in three sorted arrays and output them in order.
Iterate through all three arrays simultaneously using three pointers.
Compare elements at pointers and move pointers accordingly.
If elements are equal, add to result and move all pointers forward.
If elements are not equal, move pointer of smallest element forward.
A volatile variable is a variable that can be modified by multiple threads simultaneously.
Volatile variables are used in multithreading to ensure visibility of changes made by one thread to other threads.
They are not cached in thread's local memory, but always read from main memory.
They are typically used for flags or status variables that are accessed by multiple threads.
Example: 'volatile boolean flag = true;'
Multithreading in Java allows multiple threads to execute concurrently, improving performance and responsiveness.
Multithreading allows multiple threads to run concurrently within a single process.
Threads share the same memory space, allowing for efficient communication and data sharing.
Java provides built-in support for multithreading through the Thread class and Runnable interface.
Example: Creating a new thread using ...
Round duration - 30 minutes
Round difficulty - Easy
HR round with typical behavioral problems.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
posted on 13 Jun 2024
I applied via Company Website and was interviewed in May 2024. There was 1 interview round.
The task was a Codility type
I was interviewed in Jan 2025.
Online test was hackerrank was was og avg difficulty
Assignment was straightforward which could be done using trie. Did it in 1/6th throughout time for given queries then mentioned allowed still no reply. Keep on asking engineering manager and hr to which they replied not upto the mark.
posted on 17 Oct 2023
Coding test was comprising of mcq based questions on db, oops, c++ and java
I applied via Referral and was interviewed in Jul 2022. There were 4 interview rounds.
based on 1 interview
Interview experience
based on 6 reviews
Rating in categories
5-10 Yrs
Not Disclosed
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