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Wipro Intern Interview Questions and Answers

Updated 30 Jul 2024

Q1. Tell me about OOPS concepts in python.

Ans.

OOPS concepts in Python include inheritance, encapsulation, polymorphism, and abstraction.

  • Inheritance allows a class to inherit properties and methods from a parent class.

  • Encapsulation refers to the practice of hiding implementation details from the user.

  • Polymorphism allows objects to take on multiple forms or behaviors.

  • Abstraction involves creating a simplified representation of complex real-world objects.

  • Python supports all four OOPS concepts and allows for easy implementat...read more

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Q2. How will you save your database from getting manipulated.

Ans.

Implementing proper security measures like encryption, access control, and regular backups can help prevent database manipulation.

  • Use encryption to protect sensitive data from unauthorized access.

  • Implement access control to restrict who can make changes to the database.

  • Regularly backup the database to ensure data can be restored in case of manipulation.

  • Use parameterized queries to prevent SQL injection attacks.

  • Monitor database activity for any suspicious behavior.

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Q3. Explain about Network layers

Ans.

Network layers are a hierarchical approach to organizing communication protocols.

  • Network layers are used to break down communication into smaller, more manageable parts.

  • Each layer has a specific function and communicates with the layers above and below it.

  • The most commonly used model for network layers is the OSI model, which has 7 layers.

  • Examples of network layer protocols include TCP/IP, HTTP, and FTP.

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Q4. Talk about DBMS

Ans.

DBMS stands for Database Management System. It is a software that manages and organizes data in a structured manner.

  • DBMS is used to create, retrieve, update, and delete data in databases.

  • It provides a way to store and organize large amounts of data efficiently.

  • DBMS ensures data integrity, security, and concurrency control.

  • Examples of popular DBMS include MySQL, Oracle, SQL Server, and PostgreSQL.

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Q5. Constraints in DBMS

Ans.

Constraints in DBMS ensure data integrity and consistency.

  • Constraints are rules that limit the type of data that can be inserted into a database table.

  • They ensure data integrity and consistency by preventing invalid data from being entered.

  • Examples of constraints include primary keys, foreign keys, unique constraints, and check constraints.

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Q6. Primary key in DBMS

Ans.

Primary key is a unique identifier for each record in a database table.

  • Primary key ensures data integrity and helps in faster retrieval of data.

  • It cannot have null values and must be unique for each record.

  • Examples of primary keys include social security numbers, email addresses, and employee IDs.

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based on 11 interviews
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Resume Shortlist Round
Aptitude Test Round
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