Microsoft Certified Azure Fundamentals Exam (AZ-900) 100% Accurate Answers.

What are some computing services offered by a Cloud Provider? correct answers •*Compute power* - e.g. Servers or web applications •*Storage* - e.g. Files and Databases •*Networking* - e.g. secure connections between the cloud provider and on-premises. •*Analytics* - e.g. visual telemetry and performance data Jim the systems admin at a fictitious company is an absolute control freak! From the list below, choose the most appropriate cloud solution for him: a). Virtual Machines b). Containers c). Serverless compute correct answers ANSWER: a). *Virtual Machines.* Because he will emulate a physical system, Jim can do whatever he likes (e.g. install software, configure updates etc.) Give the simplest definition of a container. correct answers A container is similar to a VM but it doesn't need a guest operating system. What is Serverless Computing? correct answers Serverless computing lets you run application code(e.g. functions) without creating, configuring, or maintaining a server. When compared to VMs and Containers, it is the lightest and fastest deployment method. Rob is new to cloud computing and is confused by the terms: "Vertical Scaling" and "Horizontal" scaling. Give him a brief rundown on the differences between the two! correct answers *Vertical scaling*: aka "scaling up", is the process of adding resources to increase the power of an existing server. Some examples of vertical scaling are: *adding more CPUs, or adding more memory*. *Horizontal scaling*: aka "scaling out", is the process of adding more servers that function together as one unit. For example, *you have more than one server processing incoming requests* Define: Scalability as it relates to cloud computing correct answers You can increase or decrease the resources and services used based upon the needs of your organization. Define: Elasticity as it relates to cloud computing correct answers As your workload changes due to a spike or drop in demand, a cloud computing system can compensate by automatically adding or removing resources. (e.g. a web-site during Black Friday Sale) Define: redundancy as it relates to cloud computing correct answers If one component fails, another is available to take its place and its workload.