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それだけでなく、我々は最高のアフターサービスを提供します。その一、我々は一年間の無料更新サービスを提供します。すなわち、C90-03A問題集をご購入になってからの一年で、我々MogiExamは無料の更新サービスを提供して、お客様の持っているC90-03A － Cloud Technology Lab模擬試験は最新のを保証します。この一年間、もしC90-03A模擬問題集が更新されたら、弊社はあなたにメールをお送りいたします。
その二、お客様に安心で弊社のC90-03A模擬試験を利用するために、我々は「試験に失敗したら、全額で返金します。」ということを承諾します。もしお客様はC90-03A認定試験に合格しなかったら、我々はSOA Certified ProfessionalC90-03A問題集の費用を全額であなたに戻り返します。だから、ご安心ください
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SOA Certified Professional C90-03A 試験シラバストピック:
| セクション | 目標 |
|---|---|
| トピック 1: 監視とトラブルシューティング | - クラウド環境におけるパフォーマンス監視 - 障害検知および解決戦略 |
| トピック 2: クラウドインフラストラクチャとデプロイメント | - クラウドプラットフォームへのアプリケーションデプロイメント - 仮想化およびコンテナ化の概念 |
| トピック 3: クラウドアーキテクチャの基礎 | - クラウドコンピューティングの概念とサービスモデル - クラウド環境におけるSOA原則 |
| トピック 4: 統合とサービス管理 | - サービスの統合とオーケストレーション - APIおよびサービスライフサイクル管理 |
| トピック 5: セキュリティとガバナンス | - クラウドセキュリティ原則とアクセス制御 - SOAベースのシステムにおけるコンプライアンスとガバナンス |
SOA Certified Professional Cloud Technology Lab 認定 C90-03A 試験問題：
The cloud service owner of Cloud Service A is evaluating Clouds X, Y and Z to determine which cloud environment can offer the greatest level of reliability. All three clouds are geographically dispersed across three separate time zones. As a result, each cloud experiences usage peaks at different times. Based on the metrics provided, the greater the usage of a cloud, the lower its reliability. When the cloud service owner complains to Cloud Provider A (the owner of all three clouds) that none of the clouds provide an adequate level of reliability, Cloud Provider A suggests a solution that increases resiliency.
Which of the following statements accurately describes a solution that can be used to fulfill the resiliency requirements of Cloud Service A?
- A. A cloud balancing solution is established, whereby an automated scaling listener mechanism is implemented on each cloud in such a way that every cloud can automatically scale out to another cloud. As a result, if reliability problems occur on any one cloud, the subsequent requests will be scaled out to another cloud in a manner that is transparent to cloud service consumers.
- B. Redundant implementations of Cloud Service A are deployed in all three clouds. The failover system mechanism and a special type of automated scaling listener mechanism are implemented to establish a system whereby one redundant Cloud Service A implementation will automatically take over from another.
- C. A failover system mechanism is implemented on Cloud X, which acts as the primary point of contact for cloud serviceconsumers. Upon failure conditions occurring, the Cloud Service A implementation on Cloud X automatically hands over control of current and future message requests from cloud service consumers to Cloud Y. Cloud Y retains control of cloud serviceconsumer communication until the next failure condition occurs, at which point it hands over control to Cloud Z. Finally, if a failure condition occurs in Cloud Z. control is handed back to Cloud X.
- D. A cloud balancing solution is established, whereby a resource replication mechanism is implemented on each cloud. This allows Cloud Service A to be automatically replicated across cloud environments, thereby enabling each implementation of Cloud Service A to take the place of another, whenever failure conditions occur.
正解：B 🗳️
Cloud Service A is being made available on public Cloud X by Cloud Provider X via the SaaS delivery model. Cloud Service A is hosted by Physical Server A that also hosts cloud services being used by different cloud service consumers (and owned by different cloud service owners).
Cloud Provider X needs to make Cloud Service A available to a new group of cloud service consumers, but must do so without the increase in usage volume affecting Cloud Service Consumers A and B.
Which of the following statements does not accurately describe a solution (or a set of solutions) that addresses this requirement?
- A. Cloud Provider X can upgrade its infrastructure to increase the cloud's ubiquitous access characteristic. This will enable the cloud to provide distributed failover for IT resources across multiple devices in order to increase its ubiquitous resiliency. To achieve this, Cloud Provider X will further need to implement the failover system, state management database and resource replication mechanisms.
- B. Cloud Provider X can upgrade its infrastructure by increasing its ability to horizontally scale IT resources that are used by Cloud Service A. Cloud Provider X can upgrade its infrastructure in order to vertically scale IT resources that are used by Cloud Service A.
- C. Cloud Provider X can scale out Cloud Service A by implementing new cloud computing mechanisms, such as the virtual server and resource replication mechanisms, which can enhance the cloud's elasticity characteristic.
- D. Cloud Provider X can scale up Cloud Service A by upgrading the Physical Server A hardware to increase the server'sprocessing power. Cloud Provider X can scale out Cloud Service A by adding redundant implementations of the service and by using the automated scaling listener mechanism.
正解：D 🗳️
A cloud consumer is interested in leasing cloud-based virtual servers. It compares the virtual servers offered by Cloud Provider X and Cloud Provider Y. Cloud X (owned by Cloud Provider X) and Cloud Y (owned by Cloud Provider Y) both provide shared physical servers that host multiple virtual servers for other cloud consumers.
The virtual servers on Cloud X are accessed directly, whereas the virtual servers on Cloud Y are accessed via an automated scaling listener. On Cloud X, virtual servers are pre-configured to support a specific amount of concurrent cloud service consumers. When this threshold is exceeded, cloud service consumer requests are rejected. Due to the use of the automated scaling listener, virtual servers on Cloud Y can provide a greater level of elasticity.
The hourly cost to the cloud consumer to use a virtual server on Cloud X is half that of the cost to use a virtual server on Cloud Y. Within a one month period, Cloud Provider X bases its hourly charge on the maximum number of virtual servers used. Within a one month period, Cloud Provider Y bases its hourly charges on actual virtual server usage. Cloud Provider Y charges $20 for each hour that a cloud consumer uses a virtual server.
The cloud consumer predicts its monthly usage requirements to be as follows:
The cloud consumer is required choose the cloud provider with the lowest on-going cost based on its predicted usage. Which of the following statements accurately calculates the on-going usage costs of Cloud Providers X and Y and correctly states the cloud provider that the cloud consumer must choose?
- A. The total usage duration is (10 + 20 + 70) hours = 100 hours.
The actual usage is ((10 X 6) + (20 X 4) + (70 X 2)) x ((2 + 4 + 6) / 3) hours = 1,120 hours
The cost of using virtual servers from Cloud Provider X is 6 X 100 X $10 = $6,000.
The cost of using virtual servers from Cloud Provider Y is 1,120 X $20 = $22,400.
The cloud consumer must therefore choose Cloud Provider Y. - B. The total usage duration is (10 + 20 + 70) x 12 hours = 1.200 hours.
The actual usage is (10X6) + (20X4) + (70X2) hours = 280 server hours.
The cost of using virtual servers from Cloud Provider Xis12X100X5X$10 = $60,000.
The cost of using virtual servers from Cloud Provider Y is 280 X $20 = $5,600.
The cloud consumer must therefore choose Cloud Provider Y. - C. The total usage duration is (10 + 20 + 70) hours = 100 hours.
The actual usage is (10 X 6) + (20 X 4) + (70 X 2) hours = 280 hours.
The cost of using virtual servers from Cloud Provider X is 100X6X$10 = $6,000.
The cost of using virtual servers from Cloud Provider Y is 280 X $20 = $5,600.
The cloud consumer must therefore choose Cloud Provider Y. - D. The total usage duration is (10 + 20 + 70) hours = 100 hours.
The actual usage is ((10 X 6) + (20 X 4) + (70 X 2)) x ((2 + 4 + 6) / 3) hours = 1,120 hours
The cost of using virtual servers from Cloud Provider Xis10QX6X$10 = $6,000.
The cost of using virtual servers from Cloud Provider Y is 1,120 X $20 = $22,400.
The cloud consumer must therefore choose Cloud Provider X.
正解：C 🗳️
