Various types of Azure app services overview

In azure, there are various app services to know. They are 1. Azure service fabric, 2. Azure container service, 3.Document DB are very popular.
Azure service fabric
Azure service fabric used to represent the next-generation hosting environment. Service Fabric is easy to deploy and manage all the highly scalable and reliable services. The applications are designed as microservices are suitable to run the service fabric. This is due to service fabric run time and life management capabilities
Service fabric is the platform for running various cloud-scale solution. Microsoft uses service fabric to power the critical services like skype, azure SQL database, azure event hubs, etc. service fabric can deploy various services in other cloud platforms also including azure technology. This service fabric fits both the Linux and Windows operating systems. Whereas cloud services is a platform which runs the applications and is deployed into instances referred to as web roles and worker roles. This deployment is fully managed by Microsoft and made it easy to scale the applications in and out azure certification

Azure Container Service
Azure container service is one of the best technology trends in the last two years is containerization, with the open-source project, Docker, being one of the leading platforms for managing containers. Docker containers provide an efficient, lightweight approach to application deployment by allowing different components of the application to be deployed independently into different containers. Multiple containers can reside on a single machine, and containers can be moved between various machines. This extreme portability of the container males easy for an application to deploy in various environments with no changes to the application
There is more to deploying and managing container applications than simply using Docker. Supporting services such as monitoring, clustering, orchestration, scheduling, and a way to visualize the environment are also needed. There is a rich, yet still maturing, an ecosystem to help with these needs. This is what the Azure Container Service provides value.
ACS supports Docker container images and simplifies the process of creating, configuring, and managing the VMs that provide the infrastructure for a Docker cluster. ACS includes industry-leading tooling from Apache Mesosbased DC/OS and Docker Swarm to provide an optimized configuration for resource orchestration.
For workload scheduling, azure container service includes the popular marathon and chromos frameworks. This provides an optimized configuration of open source tools and technologies. Azure container services are quicker and easier to migrate container applications to and from azure
You use an Azure Resource Manager template to deploy the cluster, selecting the size, number of host VMs, and orchestration tool of choice. Once the ACS cluster is deployed, you can use your existing management tools to connect and manage your container applications.

Document DB

Document DB is a fully managed document database which handles a large amount of data with no defined. This document Db is highly available and performant. This document DB is scaled up and down on demand. This will supports applications that need the key-value, document or tabular data models. DocumentDB is a database which comprise of all the JSON documents. By the default, all these are indexed automatically. So there is no need to define all the secondary indexes for advanced searching. Since the data is schema is free. There is no need to make modifications to a schema to ensure your data models continue to work. Document DB enables complex ad using a SQL dialect. This is also integrated with javascript allows you to execute the application logic within the database engine in a database transaction. This capability enables to perform multi-document transaction processing use to store the procedures, triggers, and user-defined functions. Another feature is documented dB is support for MongoDB. So you can use mongo DB application document DB. Document DB look like NoSql database options out there, but ability to perform transactional processing and complex queries make it particularly useful. here are important azure interview questions

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