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Free Microsoft AZ-900 Exam Braindumps (page: 23)

Page 23 of 120
PDF with 473 Questions

HOTSPOT (Drag and Drop is not supported)
Select the answer that correctly completes the sentence.

  1. See Explanation section for answer.

Answer(s): A

Explanation:



An Azure virtual machine scale set can automatically increase or decrease the number of VM instances that run your application. This automated and elastic behavior reduces the management overhead to monitor and optimize the performance of your application.

Also: Azure elasticity as a service is referred to a cloud service that enables in automatically scaling Azure hosted resources in par with the demand and configured parameters. It provides Azure Administrators with the ability to auto scale Azure infrastructure and resources as and when needed.


Reference:

https://docs.microsoft.com/en-us/azure/virtual-machine-scale-sets/virtual-machine-scale-sets-autoscale-overview
https://www.netreo.com/cloud-automation/what-is-azure-elasticity-as-a-service/



Which term represents the ability to increase the computing capacity of a virtual machine by adding memory or CPUs?

  1. agility
  2. vertical scaling
  3. horizontal scaling
  4. elasticity

Answer(s): B

Explanation:

Vertical scaling, also known as scale up and scale down, means increasing or decreasing virtual machine (VM) sizes in response to a workload. Compare this behavior with horizontal scaling, also referred to as scale out and scale in, where the number of VMs is altered depending on the workload.


Reference:

https://docs.microsoft.com/en-us/azure/virtual-machine-scale-sets/virtual-machine-scale-sets-vertical-scale-reprovision



What are two benefits of cloud computing? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.

  1. enables the rapid provisioning of resources
  2. has increased administrative complexity
  3. has the same configuration options as on-premises
  4. shifts capital expenditures (CapEx) to operating expenditures (OpEx)

Answer(s): A,D

Explanation:

Azure allows you to build, deploy, and manage apps more quickly and easily without having to buy and/or maintain the underlying infrastructure.

Azure provides flexibility between CapEx and OpEx
Capital expenditures generate benefits over a long period. These expenditures are generally nonrecurring and result in the acquisition of permanent assets. Building an application could qualify as a capital expenditure. Example, Azure Reserved Instances (Azure RI) help Azure’s most active customers save on long-term VM usage reserving VMs in advance at a discounted price by committing to a one or three-year benefits.

Operating expenditures are ongoing costs of doing business. Consuming cloud services in a pay-as-you-go model could qualify as an operating expenditure. Example, you pay for a service or product as you use it i.e. pay-as-you-go pricing.


Reference:

https://www.protechtraining.com/blog/post/top-5-benefits-of-microsoft-azure-for-business-934
https://www.azureguru.org/capex-vs-opex/#



What is a feature of an Azure virtual network?

  1. resource cost analysis
  2. packet inspection
  3. geo-redundancy
  4. isolation and segmentation

Answer(s): D

Explanation:

Implement network segmentation patterns on Azure.
A unified enterprise segmentation strategy guides technical teams to consistently segment access using networking, applications, identity, and any other access controls. Create segmentation in your network footprint by defining perimeters.
The main reasons for segmentation are:

The ability to group related assets that are a part of (or support) workload operations.
Isolation of resources.
Governance policies set by the organization.


Reference:

https://docs.microsoft.com/en-us/azure/architecture/framework/security/design-network-segmentation






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