HostBooks Chief Business Officer Interview Questions and Answers

Q1. Related to oops concept database
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Q1. Related to your project
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Q1. Salary discussion and benefits
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Q1. Explain the technology stack you have been working on.
Ans. 
I have been working on a technology stack that includes Java, Spring Boot, Angular, and MySQL.
• Java programming language for backend development

• Spring Boot framework for building and deploying Java applications

• Angular framework for frontend development

• MySQL database for data storage and retrieval
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Q2. Deep dive into the .Net framework and its use in developing microservices using Web APIs
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The .Net framework is a powerful tool for developing microservices using Web APIs.
• The .Net framework provides a set of libraries and tools for building scalable and reliable microservices.

• Web APIs in .Net allow for easy communication between different services and clients.

• Features like dependency injection and middleware in .Net make it easier to develop and maintain microservices.

• Examples of popular frameworks for bui...read more
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Q1. Explain how you would troubleshoot a network bottleneck in your web API application hosted in a public cloud like Azure or AWS.
Ans. 
To troubleshoot a network bottleneck in a web API application hosted in a public cloud like Azure or AWS, one can analyze network traffic, monitor server performance, and optimize resource allocation.
• Use network monitoring tools to analyze traffic patterns and identify potential bottlenecks.

• Monitor server performance metrics such as CPU usage, memory usage, and disk I/O to pinpoint any resource constraints.

• Optimize res...read more
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Q2. Explain the usage of Azure service fabric clusters
Ans. 
Azure Service Fabric clusters are used to deploy and manage microservices-based applications on Microsoft Azure.
• Azure Service Fabric clusters provide a platform for deploying and managing scalable and reliable microservices.

• They offer automatic scaling, rolling upgrades, and health monitoring for microservices.

• Service Fabric clusters can be used to deploy stateless or stateful microservices.

• They support multiple progra...read more
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1. Find element in sorted array
2. Kth largest elemnt in the array

Q1. Database indexing discuss
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Q2. Spring boot annotations and dependency injection
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Q1. Sql server, healthcare
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Q2. Python basic coding
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WAP to get broken links on UI

Q1. How to identify if a queue is circular
Ans. 
A circular queue can be identified by checking if the rear pointer is one position behind the front pointer.
• Check if rear pointer is one position behind front pointer

• Check if front pointer is at index 0 and rear pointer is at index n-1 in an array of size n

• Check if front pointer is at index rear+1 modulo n in an array of size n
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Q1. Design notification system
Ans. 
Design a notification system for a software application.
• Identify the types of notifications needed (e.g. email, SMS, in-app)

• Consider the frequency and urgency of notifications

• Implement a notification queue to handle multiple notifications

• Include user preferences for notification settings

• Utilize push notifications for real-time updates
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Write multiple polyfills for array

Coding test was medium to hard leetcode problems.