Sagility Technical Lead Interview Questions and Answers

Asked to write a code to select values on the basis of the map keys using java 8 stream API

Q1. How OAuth works?
Ans. 
OAuth is an open standard for access delegation, commonly used as a way for Internet users to grant websites or applications access to their information on other websites but without giving them the passwords.
• OAuth allows users to grant access to their information without sharing their passwords.

• It is commonly used for authentication and authorization in web applications.

• OAuth uses tokens to grant access to resources o...read more
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Q2. Benefits of using Stream API.
Ans. 
Stream API provides a way to process collections of objects in a functional style.
• Allows for concise and readable code

• Supports parallel processing for improved performance

• Provides a set of powerful functions like map, filter, reduce, etc.

• Enables lazy evaluation for better memory efficiency
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Q1. Salary Negotiation
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Q1. Technical round with Technology Analyst or else with Technology Lead as per Job level of the interviewee and experienced
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Q1. The project Manager round or else with Delivery Manager round depends on the Job level of the interviewee and experienced
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Q1. HR round for Salary negociation
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Q1. Technical stack in mobile application?
Ans. 
The technical stack in mobile application includes programming languages, frameworks, libraries, and tools used to develop the app.
• Programming languages: Java, Kotlin, Swift, Objective-C

• Frameworks: React Native, Flutter, Xamarin

• Libraries: Retrofit, Alamofire, Glide, Picasso

• Tools: Android Studio, Xcode, Visual Studio

• Other technologies: RESTful APIs, Firebase, Push notifications
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Q2. Native library’s in ios ?
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Native libraries are pre-compiled code that can be used in iOS apps for various functionalities.
• Native libraries are written in languages like C, C++, and Objective-C.

• They can be used for tasks like image processing, audio and video playback, and networking.

• Examples of native libraries in iOS include Core Data, Core Graphics, and Core Animation.
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Q1. Which type Scheduler you used in ADF ?
Ans. 
I have used the built-in scheduler in Azure Data Factory (ADF).
• ADF provides a built-in scheduler that allows you to schedule and orchestrate data integration and data transformation activities.

• The scheduler in ADF supports various scheduling options such as time-based, event-based, and tumbling window triggers.

• You can define the schedule for your pipelines and activities using JSON-based expressions.

• For example, you ca...read more
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Q2. How do you perform sql query optimization ?
Ans. 
SQL query optimization involves analyzing and modifying queries to improve performance.
• Identify and eliminate unnecessary or redundant queries

• Use appropriate indexes to speed up data retrieval

• Optimize query structure and syntax

• Avoid using wildcard characters at the beginning of a LIKE statement

• Minimize the use of subqueries

• Use EXPLAIN or query execution plans to identify bottlenecks

• Consider denormalizing tables for fre...read more
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Q1. Tell me about yourself.
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Q2. Share details of your previous job.
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Q3. What are your salary expectations?
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Q1. How many years of experience you have in Azure ?
Ans. 
I have 5 years of experience working with Azure cloud services.
• 5 years of hands-on experience with Azure cloud services

• Proficient in Azure Virtual Machines, Azure Storage, Azure Functions, etc.

• Experience in designing and implementing Azure solutions for various projects
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Q2. What is the Azure ?
Ans. 
Azure is a cloud computing platform by Microsoft.
• Cloud computing platform by Microsoft

• Offers services like virtual machines, databases, AI, and more

• Allows for scalability and flexibility in IT infrastructure

• Examples: Azure Virtual Machines, Azure SQL Database, Azure Cognitive Services
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Q1. What's is the difference between cloud and on premises
Ans. 
Cloud refers to services and resources accessed over the internet, while on premises refers to resources located within an organization's physical location.
• Cloud services are accessed over the internet, allowing for scalability and flexibility.

• On premises resources are physically located within an organization's own data center or server room.

• Cloud services are typically managed and maintained by a third-party provider...read more
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Q2. What is the MFA
Ans. 
MFA stands for Multi-Factor Authentication, a security measure that requires multiple forms of verification to access a system.
• MFA typically involves something you know (password), something you have (smartphone for receiving a code), and something you are (fingerprint or facial recognition).

• Examples of MFA include using a password along with a one-time code sent to your phone, or using a fingerprint scan along with a
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Q3. What is difference between Customer and client
Ans. 
A customer is an individual or organization that purchases goods or services, while a client is a person or entity that receives professional services or advice.
• Customers typically make one-time purchases, while clients often have ongoing relationships with service providers.

• Customers may not have a direct relationship with the seller, while clients usually have a more personal connection with their service provider.

• Cu...read more
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Q1. What is Azure sentinal?
Ans. 
Azure Sentinel is a cloud-native security information and event management (SIEM) service.
• Azure Sentinel helps to detect, investigate, and respond to threats across your organization's data sources.

• It uses AI to analyze large volumes of data from various sources, such as users, devices, applications, and infrastructure.

• It provides customizable dashboards, alerts, and automated responses to security incidents.

• Azure Sent...read more
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