Fundamental Cloud Computing v6.0

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Exam contains 69 questions

Service agents are provided only by runtime environments and operating systems. As a result, service agents cannot be custom-developed. Select the correct answer.

  • A. True
  • B. False


Answer : B

A cloud can provide remote access directly to physical IT resources. For example, a cloud consumer can gain direct access to a physical server hosted in a cloud. Select the correct answer.

  • A. True
  • B. False


Answer : A

Which of the following are IT resources that can be provided by an environment based on the Infrastructure-as-a-Service (IaaS) delivery model? SELECT ALL THAT APPLY

  • A. storage device
  • B. operating system
  • C. physical server
  • D. network device


Answer : A,B,C,D

Depending on the cloud deployment model and cloud delivery model being considered by an organization, there may be the need to further allocate funds to carry out integration testing, as well as the need for additional labor to enable interoperability between cloud service consumers and cloud services. These expenses are referred to as
___________________.Select the correct answer.

  • A. leasing costs
  • B. sunk costs
  • C. integration costs
  • D. There is no such cost.


Answer : C

When comparing cloud-based IT resources to on-premise IT resources with sunk costs, the up-front costs for on-premise IT resources are generally lower. Select the correct answer.

  • A. True
  • B. False


Answer : A

Which of the following types of costs helps justify the leasing of cloud-based IT resources as an alternative to purchasing on-premise IT resources? Select ALL THAT APPLY

  • A. cost of capital
  • B. sunk costs
  • C. integration costs
  • D. up-front costs


Answer : A,D

A cloud provider is deploying a new SaaS product comprised of a cloud service. As part of the deployment, the cloud provider wants to publish a service level agreement (SLA) that provides an availability rating based on its estimated availability over the next 12 months.
First, the cloud provider estimates that, based on historical data of the cloud environment, there is a 30% chance that the physical server hosting the cloud service will crash and that such a crash would result in 2 days of downtime before the cloud service could be restored.
It is further estimated that there is a 100% chance that, over the course of the 12 month period, there will be various attacks on the cloud service, resulting in a total of 60 hours of additional downtime. Based on these estimates, the availability that needs to be published in the SLA is ___________________ (rounded to one decimal).Select the correct answer.

  • A. 99.2%
  • B. 99.4%
  • C. 99.6%
  • D. 99.9%


Answer : A

A typical service level agreement (SLA) document for a cloud service will cover which of the following characteristics? Select the correct answer.

  • A. availability
  • B. reliability
  • C. performance
  • D. All of the above.


Answer : D

Over the past 3 years, a cloud service has been unavailable for a total of 48 hours.
Additionally, the physical server hosting the cloud service needed to be replaced, during which it was unavailable for 4 days. Based on these statistics over the past 3 years, the availability rating of the cloud service is ___________________ (rounded to one decimal).Select the correct answer.

  • A. 87.2%
  • B. 99.5%
  • C. 99.7%
  • D. 99.9%


Answer : B

Which of the following combinations of cloud delivery models are possible? Select the correct answer.

  • A. IaaS + PaaS
  • B. IaaS + SaaS
  • C. IaaS + PaaS + SaaS
  • D. All of the above.


Answer : D

Cloud-based multitenancy models frequently rely on the use of ___________________ technologies. Select the correct answer.

  • A. virtualization
  • B. failover
  • C. security
  • D. transport


Answer : A

Which of the following functions can be performed by service agents? SELECT ALL THAT

APPLY -

  • A. routing
  • B. logging
  • C. encryption
  • D. authentication


Answer : A,B,C,D

When resources of the same type are released in response to decreased usage requirements, what kind of scaling is being performed? Select the correct answer.

  • A. scaling in
  • B. scaling out
  • C. scaling up
  • D. scaling down


Answer : A

Which of the following cloud delivery models provides the least amount of administrative control for cloud consumers? Select the correct answer.

  • A. Software-as-a-Service (SaaS)
  • B. Platform-as-a-Service (PaaS)
  • C. Infrastructure-as-a-Service (IaaS)
  • D. The listed cloud delivery models provide the same level of administrative control for cloud consumers.


Answer : A

Measured usage is only limited to tracking statistics for billing purposes. It does not encompass the general monitoring of IT resources and related usage reporting. Therefore, measured usage is only relevant to clouds that charge for usage. Select the correct answer.

  • A. True
  • B. False


Answer : B

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Exam contains 69 questions

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