Infosys Consulting System Administrator Interview Questions and Answers

Round duration - 90 minutes
Round difficulty - Medium

Online test of 90 minutes at 5:30 pm

Q1. What are the basic concepts of Object-Oriented Programming, and how do they relate to data structures and algorithms?
Ans. 
Object-Oriented Programming concepts include encapsulation, inheritance, and polymorphism, which are used to organize and manipulate data in data structures and algorithms.
• Encapsulation: Bundling data and methods that operate on the data together in a single unit (object). Example: a class representing a car with properties like color and methods like drive().

• Inheritance: Allowing a class to inherit properties and meth...read more
Answered by AI
View 1 more answer

Round duration - 45 minutes
Round difficulty - Medium

Online coding interview of 45 minutes at 6:10PM.

Q1. 
String Compression Problem Statement
Implement a program that performs basic string compression. When a character is consecutively repeated more than once, replace the consecutive duplicates with the coun...read more
Ans. 
Implement a program to compress a string by replacing consecutive duplicates with the count of repetitions.
• Iterate through the string and keep track of consecutive characters and their counts.

• Replace consecutive duplicates with the count of repetitions.

• Handle the case where the count of repetitions is greater than 1 and less than or equal to 9.
Answered by AI
Add your answer
Q2. Can you explain queries related to insert, selection, and joins in a database management system?
Ans. 
Explanation of insert, select, and join queries in a database management system.
• Insert query is used to add new records to a table.

• Select query is used to retrieve data from a table based on specified criteria.

• Join query is used to combine rows from two or more tables based on a related column between them.

• Examples: INSERT INTO table_name (column1, column2) VALUES (value1, value2); SELECT * FROM table_name WHERE condit...read more
Answered by AI
Add your answer

Round duration - 30 minutes
Round difficulty - Easy

HR round of 30 minutes at 6pm

Q1. Basic python list tuples set dictionary related questions
Add your answer
Q2. Decorators generator and django rest framework
Add your answer

Q1. Explain datawindow in powerbuilder
Ans. 
DataWindow is a GUI control in PowerBuilder used to display and manipulate data from a database.
• DataWindow can be used to retrieve data from a database, display it in a tabular format, and allow users to edit the data.

• It supports various data sources such as SQL, ODBC, and XML.

• DataWindow can also be used to create reports and graphs.

• It provides various features such as sorting, filtering, grouping, and computed columns...read more
Answered by AI
Add your answer