SOA SOA Certifications C90-01A Questions & Answers

• Question 21:

  The cloud consumer of a cloud service based on the Software-as-a-Service (SaaS) delivery model is usually given access to the cloud service contract and the service-level agreement (SLA) of the cloud service. Select the correct answer.

  A. True

  B. False

  Correct Answer: A

• Question 22:

  A is an event-driven program capable of transparently intercepting and processing messages sent to or from services.Select the correct answer.

  A. virtual server

  B. cloud service

  C. service agent

  D. None of the above.

  Correct Answer: C

• Question 23:

  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%

  Correct Answer: A

• Question 24:

  An IT resource with increased is able to better avoid and recover from exception conditions. Cloud environments can be based on an architecture that provides extensive failover support to further increase .Select the correct answer.

  A. virtualization, measured usage

  B. storage, reliability

  C. reliability, storage capacity

  D. reliability, reliability

  Correct Answer: D

• Question 25:

  The cloud consumers that are members of a community cloud typically share the responsibility for defining and evolving the community cloud. Therefore, membership in the community guarantees access to and administrative control of all cloud-hosted IT resources. Select the correct answer.

  A. True

  B. False

  Correct Answer: B

• Question 26:

  The Platform-as-a-Service (PaaS) delivery model relies on (and is primarily defined by) the usage of a . Select the correct answer.

  A. ready-made environment

  B. virtualization environment

  C. simulation environment

  D. All of the above.

  Correct Answer: A

• Question 27:

  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

  Correct Answer: A

• Question 28:

  Service agents have a technical interface (or service contract) and are therefore required to be explicitly invoked. Select the correct answer.

  A. True

  B. False

  Correct Answer: B

• Question 29:

  Which of the following statements are true about cloud-based IT resources? SelectALL THAT APPLY

  A. A cloud-based IT resource can exist as a physical or virtual IT-related artifact.

  B. A cloud-based IT resource resides inside a cloud environment.

  C. For an IT resource to be considered a cloud-based IT resource, it needs to be made directly available to cloud service consumers.

  D. For a cloud-based IT resource to be made available to cloud service consumers, it needs to be accessible as a cloud service agent.

  Correct Answer: AB

• Question 30:

  Which of the following roles are assumed by software programs? Selectthe correct answer.

  A. cloud consumer

  B. cloud provider

  C. cloud service owner

  D. None of the above.

  Correct Answer: D