Druva Interview Questions, Process, and Tips

There were 10 mcq's and 2 easy level coding questions

Q1. Questions asked were some easy to medium level dsa questions based on string manipulation.
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Q2. They also asked about projects and core subjects mainly focused on computer networks and operating systems.
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Q1. In this round they simply asked about computer networks concepts to me
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Q1. Quiz rather than a discussion
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Q2. Inexperienced interviewers
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Q1. Difference between black box and white box testing
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Black box testing focuses on testing the functionality of a system without knowledge of its internal code, while white box testing involves testing the internal code structure.
• Black box testing is based on external expectations and requirements

• White box testing is based on internal code structure and logic

• Black box testing is more focused on user perspective

• White box testing is more focused on developer perspective

• Exam...read more
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Q2. Test cases for pen
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Test cases for a pen to ensure functionality and quality.
• Verify that the pen writes smoothly on different types of paper

• Check if the pen's ink is waterproof and does not smudge

• Test the durability of the pen by dropping it from a certain height

• Ensure that the pen's cap can be securely attached and removed

• Verify that the pen's clip is strong enough to hold the pen in place

• Check if the pen's ink dries quickly to prevent s
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Q3. Explaine networking layer model
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Networking layer model is a conceptual framework that defines the different layers of communication in a network.
• Networking layer model is typically represented by the OSI (Open Systems Interconnection) model or the TCP/IP model.

• The OSI model consists of 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has specific functions and protocols that enable communication bet...read more
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Q4. What do you know about AWS
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AWS (Amazon Web Services) is a cloud computing platform that offers a wide range of services for businesses and individuals.
• AWS provides services such as computing power, storage, databases, machine learning, and more.

• It offers scalability, flexibility, and cost-effectiveness for businesses of all sizes.

• Popular AWS services include EC2 (Elastic Compute Cloud), S3 (Simple Storage Service), RDS (Relational Database Servi...read more
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Q5. Some linux commands
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Medium level leetcode questions and some apti very rare but.

Q1. Good practice of ds algo and os
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Good practice of data structures, algorithms, and operating systems is essential for software engineers.
• Regularly practice coding challenges to improve problem-solving skills

• Understand the time and space complexity of algorithms

• Learn about different data structures and when to use them

• Familiarize yourself with operating system concepts like processes, threads, and memory management
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Q2. Is given tree bst or not?
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Q3. Check whether cycle in linked list.
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Check for cycle in a linked list by using two pointers approach.
• Use two pointers, one moving at double the speed of the other.

• If there is a cycle, the two pointers will eventually meet.

• Alternatively, use a hash set to keep track of visited nodes.
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