An application is composed of many loosely coupled and independently deployable smaller components which architecture describe the application?
Answer(s): A
Microservices architecture is an approach in which a single application is composed of many loosely coupled and independently deployable smaller services.
What type of data volume would a client used to attach to an IBM cloud virtual server instance (VSI) for virtual private cloud (VPC)?
Answer(s): B
Block storage stores data by breaking it into evenly sized blocks, which is written to disk. The data stored is highly available because each block is stored multiple times across different disks. Block storage is used for computing situations where users require fast, efficient, and reliable data storage Block storage can be deployed on a Virtual Private Cloud (VPC) or classic environments.
Which IBM's Database-as-a-Service based on Apache's CouchDB provide a 99.99% service level agreement.
Answer(s): D
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.
Which of the following is the most suitable for providing messaging capabilities with point-to-point and publish subscribe models?
IBM® MQ provide messaging capabilities such as point-to-point and publish subscribe models to facilitate the flow of information between applications. You can use IBM® MQ to enable applications to communicate at different times and in many diverse computing environments.Incorrect Answers :IBM App Connect® is a powerful all-in-one tool for easily connecting apps, integrating data, building APIs, and acting on events. It can automatically copy and synchronize data between on-premises and cloud-based applications. it can connect any endpoint, map your data, and move data fast. With IBM App Connect®, you can reliably access and combine data assets across all your enterprise applications, databases, and systems and expose them as APIs. IBM API Connect® The tools that API Connect service provides will create and manage your APIs with security-rich features and centralized governance and business-level controls by setting varying levels of security, visibility, billing plans, and rate limits. You can use IBM API Connect for IBM Cloud to quickly create APIs for microservices based on Node.js and Java runtimes IBM Event Streams for IBM Cloud® is an event-streaming platform based on the Apache Kafka® project and incorporates the open-source Strimzi technology.IBM Event Streams for IBM Cloud® is a high-throughput message bus built with Apache Kafka. IBM Event Streams supports Apache Avro schemas, enabling your Kafka applications to use schemas to validate data structures and to encode and decode data. Event Streams provides a REST API to help connect your existing systems to your Event Streams Kafka cluster.
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