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I applied via Job Portal and was interviewed in Mar 2024. There were 2 interview rounds.
Know your resume and your basics
Know class diagrams. Very Huge for workday.
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I applied via Monster and was interviewed before Apr 2020. There was 1 interview round.
A generic swap function swaps two values of any data type.
The function should take two parameters of any data type.
Use a temporary variable to store the value of one parameter.
Assign the value of the second parameter to the first parameter.
Assign the value of the temporary variable to the second parameter.
Search for an element in a rotated sorted linked list.
Find the pivot point where the list is rotated.
Divide the list into two sublists based on the pivot point.
Perform binary search on the appropriate sublist.
Handle edge cases such as empty list and list with only one element.
Search an element in a rotated sorted array
Find the pivot point where the array is rotated
Divide the array into two sub-arrays based on pivot point
Perform binary search on the appropriate sub-array
Repeat until element is found or sub-array size is 1
Given a Sudoku board, find possible numbers for an empty cell.
Iterate through empty cells and check possible numbers using row, column, and box constraints.
Use a set to keep track of possible numbers for each empty cell.
Return the set of possible numbers for the given empty cell.
Find integer average of 4 unsigned integers without typecasting
Add all the integers and divide by 4
Use bit shifting to divide by 4
Handle overflow by using long long data type
Use unsigned int data type for input
Code to identify 32 bit or 64 bit architecture of a processor
Check if the operating system is 32 bit or 64 bit
If OS is 32 bit, processor is 32 bit
If OS is 64 bit, check if processor supports 64 bit architecture
Use CPUID instruction to check if processor supports 64 bit architecture
Convert binary number to base 64 integer
Divide the binary number into groups of 6 bits
Convert each group of 6 bits to decimal
Map the decimal value to the corresponding base 64 character
Concatenate the base 64 characters to form the final integer
Creating test cases for random scenarios ensures software reliability and robustness through diverse input validation.
Identify edge cases: Test with minimum and maximum input values, e.g., an empty array vs. a large array.
Use random data: Generate random inputs to simulate real-world usage, e.g., random user names or passwords.
Test invalid inputs: Ensure the system handles unexpected inputs gracefully, e.g., negative n...
I appeared for an interview before Mar 2021.
Round duration - 60 minutes
Round difficulty - Easy
Technical interview round with questions based on DSA and OOPS.
Virtual functions in C++ are functions that can be overridden in derived classes, allowing for polymorphic behavior.
Virtual functions are declared using the 'virtual' keyword in the base class.
They are used to achieve runtime polymorphism in C++.
Derived classes can override the virtual functions defined in the base class.
Example: class Base { public: virtual void display() { cout << 'Base class dis...
Round duration - 60 minutes
Round difficulty - Easy
Technical interview round with questions based on OS/Networking etc.
The system call that creates a separate connection is fork()
fork() is a system call in Unix-like operating systems that creates a new process by duplicating the existing process
The new process created by fork() is called the child process, while the original process is called the parent process
fork() is commonly used in network programming to create separate connections for handling multiple clients
epoll_wait() system call waits for events on an epoll instance
Used in Linux for I/O event notification
Blocks until one or more file descriptors become ready
Returns the number of file descriptors ready for I/O operations
TCP is a connection-oriented protocol that ensures reliable data delivery, while UDP is a connectionless protocol that focuses on speed.
TCP is reliable and ensures data delivery by establishing a connection before sending data.
UDP is faster but less reliable as it does not establish a connection before sending data.
TCP is used for applications that require high reliability and error correction, such as web browsing and...
Round duration - 60 minutes
Round difficulty - Easy
Technical interview round with questions based on Networking etc.
ICMP is a protocol used for error reporting, diagnostics, and network management in IP networks.
ICMP is used to report errors in packet delivery
It is used for network diagnostics and troubleshooting
ICMP messages are encapsulated within IP packets
Examples include ping (echo request/reply) and traceroute
TCP supports four types of connection release: active close, passive close, simultaneous close, and abortive close.
Active close: Client initiates the connection release process by sending a FIN packet.
Passive close: Server initiates the connection release process by sending a FIN packet.
Simultaneous close: Both client and server send FIN packets to each other simultaneously.
Abortive close: Connection is terminated abru...
The MAC layer uses protocols like CSMA/CA, CSMA/CD, and TDMA to manage access to the network.
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance) is used in wireless networks to avoid collisions.
CSMA/CD (Carrier Sense Multiple Access with Collision Detection) is used in wired networks to detect and handle collisions.
TDMA (Time Division Multiple Access) is used in networks where devices are assigned specific...
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 applied via Referral
I appeared for an interview before May 2016.
I applied via Referral and was interviewed before Jan 2020. There were 3 interview rounds.
based on 1 interview experience
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