DANA Graziano India Senior Engineer Interview Questions and Answers

Q1. What you did to learn new technology?
Ans. 
I keep myself updated by attending conferences, reading blogs, and taking online courses.
• Attend conferences and workshops to learn from experts

• Read blogs and articles to stay updated on latest trends

• Take online courses and tutorials to gain practical knowledge

• Experiment with new technology by building projects

• Collaborate with peers to learn from their experiences
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Q1. Self Introduction
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Q1. How to secure data over the public internet?
Ans. 
Securing data over the public internet involves using encryption, secure protocols, VPNs, and regular security audits.
• Use encryption to protect data in transit, such as SSL/TLS for websites.

• Implement secure protocols like HTTPS, SSH, and SFTP for secure communication.

• Utilize Virtual Private Networks (VPNs) to create secure tunnels for data transmission.

• Regularly conduct security audits and updates to identify and patch...read more
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DSA coding round.
Graph based question, dp question.

Q1. 1. design service to download big file
Ans. 
Design a service to download large files.
• Use a scalable architecture to handle large file downloads.

• Implement resumable downloads to handle network interruptions.

• Use parallel downloading to speed up the download process.

• Implement authentication and authorization to ensure security.

• Provide progress updates to the user during the download process.
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Q1. Java based questions Spring beans
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This is the round in which basic quant questions were asked

In this round basic 2 java questions were asked

In this round one topic was given and we need to discuss about that topic

Q1. What is java explain in detail
Ans. 
Java is a high-level, object-oriented programming language used to develop applications for various platforms.
• Java is platform-independent, meaning it can run on any platform with a Java Virtual Machine (JVM)

• It is known for its security features, such as the ability to run code in a sandbox environment

• Java is used for developing a wide range of applications, from web applications to mobile apps and games

• It is also used...read more
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Q2. What is searching and sorting
Ans. 
Searching is finding a specific item in a collection of items. Sorting is arranging items in a specific order.
• Searching involves looking for a specific item in a collection of items.

• Sorting involves arranging items in a specific order, such as alphabetical or numerical.

• Searching and sorting are commonly used in computer science and data analysis.

• Examples of searching algorithms include linear search and binary search.

• E...read more
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Q1. What is binary tree explain
Ans. 
A binary tree is a data structure consisting of nodes, where each node has at most two children.
• Nodes in a binary tree have a left and/or right child node.

• The topmost node is called the root node.

• Binary trees are used in search algorithms and data compression.

• Examples of binary trees include binary search trees and heap trees.
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Q1. What is your current location
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Q2. What is your salary expectations
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It impact on next round for the examiner

Q1. We can improve our experience for this and next time
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Q2. Whether the Queries are about programatic or theoretical.
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50 mcq were asked in 12 mins. Most of the candidates qualified this round.

3 coding questions of basic DSA were asked. Also few mcqs from Operating System, Networking and DBMS.

Q1. The technical round was of 40 mins. 3 standard questions from DSA were asked for which only approach was enough. Questions were from string, array and tree- Rotated string, Lowest common ancestor, etc.
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Q2. Project related discussion regarding my role in the team.
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Q3. A few HR questions related to family background. Why not go for higher studies like the rest of my family. Had to convince him that I saw more growth in working for an organisation.
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Q1. My introduction then, standard HR questions like where do i see myself in coming yrs, why do i want to join the company, etc. It lasted 10 mins
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