Which of the following NIST Cloud characteristics uses the business model of shared re-sources in a cloud environment?

• A.Elasticity
• B.Availability
• C.Broad Network Access
• D.Multi-Tenancy

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Your organization runs many workloads in different Google Cloud projects, each linked to the same billing account. Each project's workload costs can vary from month to month, but the overall combined cost of all projects is relatively stable. Your organization needs to optimize its cost.
What should your organization do?

• A.Purchase a commitment per project for each project's usual minimum
• B.Create a billing account per project, and link each project to a different billing account
• C.Turn on committed use discount sharing, and create a commitment for the combined usage
• D.Move all workloads from all different projects into one single consolidated project

Correct Answer: C

Turn on committed use discount sharing, and create a commitment for the combined usage Sharing your committed use discounts across all your projects reduces the overhead of managing discounts on a per-project basis, and maximizes your savings by pooling all your discounts across your projects' resource usage. If you have multiple projects that share the same Cloud Billing account, you can enable committed use discount sharing so all of your projects within that Cloud Billing account share all of your committed use discount contracts. Your sustained use discounts are also pooled at the same time. That is, sustained use discounts are calculated using the total resources across these projects, rather than just the resources within a single project.

Reference link- https://cloud.google.com/compute/docs/instances/signing-up-committed-use-discounts#sharing_committed_use_discounts_across_projects

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Your organization needs a large amount of extra computing power within the next two weeks.
After those two weeks, the need for the additional resources will end.
Which is the most cost-effective approach?

• A.Use a committed use discount to reserve a very powerful virtual machine
• B.Purchase one very powerful physical computer
• C.Start a very powerful virtual machine without using a committed use discount
• D.Purchase multiple physical computers and scale workload across them

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Customer Managed Encryption Keys (CMEK) can be used for encrypting data inside Cloud BigTable, which of the following statements is/are correct. (Select two answer)

• A.Administrators can not rotate
• B.Not supported for instances that have clustered in more than one region.
• C.CMEK can only be configured at the cluster level.
• D.You can not use the same CMEK key in multiple projects

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An organization wants to develop an application that can be personalized to user preferences throughout the year.
Why should they build a cloud-native application instead of modernizing their existing on-premises application?

• A.Developers can rely on the cloud provider for all source code
• B.IT managers can migrate existing application architecture without needing updates
• C.Developers can launch new features in an agile way
• D.IT managers can accelerate capital expenditure planning

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