10+ Interview Questions and Answers

Explained microservice project architecture and design patterns.

• Our microservice project follows a domain-driven design approach.

• We use API Gateway pattern to handle requests and route them to appropriate microservices.

• We also use Circuit Breaker pattern to handle failures and prevent cascading failures.

• Each microservice has its own database and communicates with other microservices through REST APIs.

• We use containerization with Docker and orchestration with Kubernetes for de...read more

SLAs are Service Level Agreements that define the level of service expected by a customer from a provider.

• SLAs are contracts between a service provider and a customer that define the level of service expected by the customer.

• They typically include metrics such as uptime, response time, and resolution time.

• There are different types of SLAs, such as internal SLAs, customer SLAs, and multi-level SLAs.

• Internal SLAs are agreements between different departments within an organizati...read more

Container orchestration involves managing and automating the deployment, scaling, and operation of containers.

• Use a container orchestration tool like Kubernetes, Docker Swarm, or Apache Mesos

• Define the desired state of your containers in a configuration file

• Monitor and manage container health and resource usage

• Automate scaling and load balancing

• Ensure high availability and fault tolerance

• Implement security measures

• Use container registries to store and distribute container ima...read more

Azure Function is a serverless compute service that enables you to run event-triggered code without managing infrastructure.

• It allows developers to create small, single-purpose functions that can be executed in response to events or triggers.

• Functions can be written in multiple languages including C#, Java, JavaScript, and Python.

• It integrates with other Azure services like Azure Event Grid, Azure Cosmos DB, and Azure Blob Storage.

• It offers pay-per-use pricing model, where yo...read more

Azure Data Lake is a cloud-based data storage and analytics service provided by Microsoft.

• It allows storing and processing of big data in a distributed environment

• It supports various data types including structured, semi-structured, and unstructured data

• It provides integration with various tools and services such as Hadoop, Spark, and Azure Machine Learning

• It offers scalable storage and processing capabilities

• It provides security features such as encryption and access control

Spring is a popular Java framework with advantages like dependency injection and AOP, but also has some disadvantages.

• Advantages include: easy integration with other frameworks, efficient testing, and modular design.

• Disadvantages include: steep learning curve, verbose configuration, and potential performance issues.

• Example of an advantage: Spring's dependency injection allows for loose coupling and easier maintenance of code.

• Example of a disadvantage: Spring's configuration c...read more

Software development lifecycle involves planning, designing, coding, testing, and deployment.

• Planning phase involves gathering requirements and creating a project plan.

• Design phase includes creating architecture and UI/UX design.

• Coding phase involves writing code based on design specifications.

• Testing phase includes unit testing, integration testing, and user acceptance testing.

• Deployment phase involves releasing the software to production and ongoing maintenance.

Rule resolution algorithm determines which rule to apply when multiple rules match a condition.

• Rule resolution algorithm is used in decision-making systems.

• It involves comparing the conditions of multiple rules and selecting the one with the highest priority or best match.

• Factors that can affect rule resolution include rule priority, specificity, and conflict resolution strategies.

• Examples of rule resolution algorithms include RETE, Rete-OO, and Leaps.

• Rule resolution can also...read more

List is a collection of items, while Library is a collection of documents or files.

• List is used to store items like tasks, contacts, or announcements.

• Library is used to store documents like Word files, PDFs, or images.

• Lists can have custom columns for organizing data.

• Libraries can have versioning and check-in/check-out features for document management.