Which IBM's Database-as-a-Service based on Apache's CouchDB provide a 99.99% service level agreement.
Correct Answer :
DBaaS, sometimes called ''managed database service,'' is exactly what it sounds like: a service that lets users access and use a database over the cloud, rather than purchasing and setting up their own hardware and software, which they then need to manage themselves.
IBM Cloudant, a highly scalable and performant JSON (JavaScript Object Notation) database service, stores JSON formatted documents.
IBM Cloudant is a fully managed, distributed database optimized for heavy workloads and fast-growing web and mobile apps, IBM Cloudant is available as an IBM Cloud service (based on Apache's CouchDB) with a 99.99% SLA.
Use Case: Where customer requires scalable web and mobile app with flexible schemas utilizing offline first architectures to avoid application downtime.
Db2 is a relational database with enterprise-grade performance. It provides multizone support allowing it to be run in a highly-available configuration.
What is a document database; available as a managed service on IBM Cloud?
The IBM Cloud Databases for MongoDB service allows developers to take advantage of the latest MongoDB features: rich JSON documents, powerful query language, multi-document transactions, and authentic APIs. The service also automates common database administration tasks like high availability, backups, encryption, and infrastructure planning.
Which of the following include the common goals of application modernization? Select all that apply.
Application modernization is the process of updating outdated business systems and applications. There are many ways to modernize your applications, from integrating existing systems with APIs to doing a full rip-and-replace of infrastructure and building an entirely new application architecture. Common goals of application modernization : - Microservices architecture - DevOps - Cloud migration Benefits of Application modernization : Speed of Development: Since the microservices that make up cloud applications are built once and can be reused over and over, they are easier to use and can be deployed quickly once created. Risk Management: Since one microservice can be used by multiple applications, maintaining security and compliance can be monitored from a central location rather than from within multiple applications. Manage Cost: Since microservices are only written once, the cost to develop them is significantly smaller. The cost to maintain them is also lower since they can be maintained from one central location.
