Hotspot Question For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point. Answer:

Question

Exhibit

Answer Area

• You can purchase additional storage capacity on demand.Yes
• Cloud services are guaranteed to be available 100 percent of the time.No
• Cloud services use less energy than an enterprise on-premises datacenter.Yes

Explanation

Cloud computing offers on-demand elasticity and improved energy efficiency, but does not guarantee 100% availability.

Approach. Statement 1: Select 'Yes' because rapid elasticity and on-demand self-service are fundamental cloud features, allowing users to instantly provision additional storage as needed. Statement 2: Select 'No' because while cloud providers offer high availability (often backed by SLAs of 99.9% or 99.99%), they do not guarantee 100% uptime due to required maintenance and the possibility of hardware or software failures. Statement 3: Select 'Yes' because hyperscale cloud providers leverage massive economies of scale, custom-designed hardware, and advanced cooling technologies to run workloads significantly more energy-efficiently than traditional enterprise on-premises datacenters.

Common mistakes.

• common_mistake. Selecting 'No' for the first statement ignores the core principle of cloud agility and elasticity. Selecting 'Yes' for the second statement is a common misconception; 100% guaranteed availability is practically impossible. Selecting 'No' for the third statement ignores the massive sustainability and efficiency gains (lower Power Usage Effectiveness) achieved by centralized cloud infrastructure compared to localized enterprise hardware.

Concept tested. Core Cloud Characteristics (Elasticity, High Availability/SLAs, and Economies of Scale/Sustainability)

Reference. https://learn.microsoft.com/en-us/azure/cloud-adoption-framework/strategy/business-outcomes/sustainability

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