CtrlS Interview Questions and Answers

An operating system (OS) is software that manages computer hardware and software resources and provides common services for computer programs.

• OS types include Windows, macOS, Linux, Unix, Android, iOS, etc.

• OS can be categorized as single-user, multi-user, single-tasking, multi-tasking, real-time, etc.

• Examples: Windows 10 (single-user, multi-tasking), Linux (multi-user, multi-tasking)

The extension of SQL file is .sql

• The extension of SQL file is typically .sql

• SQL files contain SQL code used to query and manipulate databases

• Examples of SQL file extensions: script.sql, data.sql

A database is used for storing, managing, and retrieving structured data, while a data warehouse is used for analyzing and reporting on large volumes of data.

• Database is used for transactional processing, while data warehouse is used for analytical processing.

• Databases are typically normalized, while data warehouses are denormalized for faster query performance.

• Data warehouses often contain historical data for tre...read more

A database is a structured collection of data that is organized in a way that allows for easy access, management, and retrieval.

• A database typically consists of tables, which store data in rows and columns.

• It uses a query language, such as SQL, to retrieve and manipulate data.

• Examples of databases include MySQL, Oracle, and MongoDB.

To pitch for sale, I focus on understanding the customer's needs, highlighting the benefits of the product, and creating a sense of urgency.

• Research and understand the customer's needs and pain points

• Highlight the benefits and unique selling points of the product

• Create a sense of urgency by emphasizing limited availability or time-sensitive deals

• Use persuasive language and active listening to build rapport and add...read more

Deploy webapp into k8s by creating a deployment YAML file and applying it using kubectl command.

• Create a Docker image of the webapp

• Create a deployment YAML file with necessary specifications like image, replicas, ports, etc.

• Apply the deployment YAML file using kubectl apply command

• Expose the deployment using a service YAML file with necessary specifications like type, ports, etc.

• Apply the service YAML file using k...read more