Exotel Software Engineer Interview Questions and Answers

Basic DSA questions, arrays,string manipulation

Q1. What projects have you made using what tech
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Q2. Follow up questions about the projects
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Basic Js concepts like debouncing,event loop, and other output-based questions.

Q1. Js concepts in depth
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Q1. Hiring manager round, questions around my project
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Q2. Optimization techniques
Ans. 
Optimization techniques are methods used to improve the efficiency and performance of software applications.
• Use algorithms like greedy, dynamic programming, or divide and conquer to optimize code

• Minimize time complexity by avoiding nested loops and unnecessary iterations

• Utilize data structures like hash tables, arrays, and trees for efficient storage and retrieval

• Profile code to identify bottlenecks and optimize critic...read more
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Q1. Technical questions that includes coding as well
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Q1. Technical and Managerial discussion
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Q1. Salary discussion
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Q1. List tuple python memory management Codig question RestAPIs HTTP methods State Management UI
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Q1. What is VTable and VPtr
Ans. 
VTable is a table of function pointers used in object-oriented programming to implement polymorphism. VPtr is a pointer to the VTable.
• VTable is used to store pointers to virtual functions in a class.

• VPtr points to the VTable of an object to enable dynamic dispatch of virtual functions.

• VTable and VPtr are used in C++ to implement polymorphism and dynamic binding.
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60 minutes 60 aptitude and logical reasoning questions questions

Q1. Can you write a program to demonstrate soccket programming
Ans. 
Yes
• Socket programming is a way to establish communication between two computers over a network using sockets.

• It involves creating a socket, binding it to an IP address and port, listening for incoming connections, and sending/receiving data.

• Examples of socket programming include creating a chat application, a file transfer program, or a web server.
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Q2. What do you know about ipv4 vs ipv6,ip masking and more computer network related stuff
Ans. 
IPv4 and IPv6 are internet protocol versions. IP masking is a technique to hide IP addresses.
• IPv4 is the fourth version of the Internet Protocol, while IPv6 is the sixth version.

• IPv4 uses 32-bit addresses, allowing for approximately 4.3 billion unique addresses.

• IPv6 uses 128-bit addresses, providing a significantly larger address space.

• IP masking, also known as IP anonymization, is the process of hiding the IP address ...read more
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Q1. Explain yourself in brief
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Programming Simple questions to understand your logical thinking

Technical and HR round for better understanding your skills.