Cloud App Development - Cloud Computing Environments Exam Study With Verified Guaranteed Answers.

*Creation of cloud computing environments includes: The development of applications and systems that leverage cloud computing solutions * A. True B. False - correct answer True *Creation of cloud computing environments does not include the creation of frameworks, platforms, and infrastructures for delivering cloud computing services.* A. True B. False - correct answer *False* Creation of cloud computing environments includes: The creation of frameworks, platforms, and infrastructures for delivering cloud computing services. *Cloud computing offers a rich mixture of different technologies, and harnessing them is an easy task.* A. True B. False - correct answer *False* Cloud computing offers a rich mixture of different technologies, and harnessing them is a challenging engineering task. *Cloud computing introduces both new opportunities and new techniques and strategies for architecting software applications and systems.* A. True B. False - correct answer True List 3 key elements that have to be taken into account in cloud computing environments. - correct answer 1- Virtualization 2- Scalability 3- Dynamic provisioning 4- Big datasets 5- Cost models. *Applications that use cloud computing benefit from its capability to dynamically scale on demand.* A. True B. False - correct answer True *______ takes the biggest advantage of dynamically scaling on demand.* A. Web applications B. Desktop applications C. Mobile applications D. Native applications - correct answer Web applications *Performance of web applications is not influenced by the workload generated by varying user demands.* A. True B. False - correct answer *False* Performance of web applications is mostly influenced by the workload generated by varying user demands. *Because of the Web 2.0 technologies the Web has become a platform for developing rich and complex applications, including ______ that now leverage the Internet as the preferred channel for service delivery and user interaction.* A. Mining applications B. Scientific applications C. Computing applications D. Enterprise applications - correct answer Enterprise applications *Web applications have complex processes that are triggered by the interaction with users and develop through the interaction between ______ behind the Web front end.* A. No tiers B. A single tier C. Several tiers - correct answer Several tiers *Web applications are sensitive to inappropriate sizing of infrastructure and service deployment or variability in workload. * A. True B. False - correct answer True *Resource-intensive applications do not benefit from running on the cloud infrastructure.* A. True B. False - correct answer *False* Resource-intensive applications are another class of applications that can benefit from running on the cloud infrastructure. What are the 2 types of Resource-intensive applications? - correct answer 1- Data-intensive 2- Compute-intensive applications *______ require considerable amounts of resources to complete execution in reasonable time. However, these resources are not required continuously or for a long time.* A. Data-intensive B. Compute-intensive C. Both data-intensive and compute-intensive - correct answer Both data-intensive and compute-intensive *______ can require huge computing capacity to perform large-scale experiments once in a while, so it is not feasible to buy the infrastructure supporting them. In this case, cloud computing can be the solution.* A. Enterprise applications B. Web applications C. Scientific applications D. Resourcing applications - correct answer Scientific applications *Resource-intensive applications are not interactive and they are mostly characterized by ______.* A. Batch processing B. Mono processing C. Arithmetic processing D. Multi proecssing - correct answer Batch processing *Developers nowadays build services which are exposed using ______ usually over HTTP.* A. Exposed API and HTTP methods B. Express and body-parser C. Representational State Transfer (REST) D. Mongodb and evennode - correct answer Representational State Transfer (REST) *Developers deploy REST services on the cloud giving their services the benefits of stability and availability.* A. True B. False - correct answer True *Developers develop their web apps and mobile apps which simply connect to their REST services or other services to build their application.* A. True B. False - correct answer True *______ model is provided by all cloud providers especially to support application development in the cloud.* A. PAAS B. IAAS C. XAAS D. SAAS - correct answer Platform As A Service (PAAS)