Adglobal360 Data Engineer Interview Questions and Answers

Leetcode easy-medium

Q1. What is Cyber Security and information security?
Ans. 
Cyber security is the practice of protecting systems, networks, and data from digital attacks.
• Cyber security involves implementing measures to prevent unauthorized access, data breaches, and other cyber threats.

• It includes technologies, processes, and practices designed to protect networks, devices, programs, and data from attack, damage, or unauthorized access.

• Examples of cyber security measures include firewalls, ant...read more
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Q2. What are the types of encryption?
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Types of encryption include symmetric encryption, asymmetric encryption, and hashing.
• Symmetric encryption: Uses the same key for both encryption and decryption, examples include AES and DES.

• Asymmetric encryption: Uses a pair of public and private keys for encryption and decryption, examples include RSA and ECC.

• Hashing: Converts data into a fixed-size string of bytes, examples include MD5 and SHA.
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Q1. Dot net related stuffs
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Q2. Dependency injection
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Built an app using dot net and angular

Got an assignment to perform in excel about data analysis for churn prediction. Performed in excel. 70% focus was on skills and 30% on analysis.

Q1. What do you know about danave?
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Q2. What is Customer Support
Ans. 
Customer support is the assistance provided to customers before, during, and after a purchase.
• It involves addressing customer queries and concerns

• Providing technical support and troubleshooting

• Assisting with product or service usage

• Handling complaints and resolving issues

• Ensuring customer satisfaction and retention
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Q3. Tell me about Yourself
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Q1. It's good to give interview
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Q1. What is oops concepts
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Object-oriented programming concepts that focus on classes and objects
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class)

• Inheritance: Ability of a class to inherit properties and behavior from another class

• Polymorphism: Ability to present the same interface for different data types

• Abstraction: Hiding the complex implementation details and showing only the necessary features
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Two Medium DSA questions, then questions about react and springboot