EMC IT-as-a-Service Expert Exam for Cloud Architects - E20-918 certification

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EMC E20-918 Exam Syllabus Topics:

EMC IT-as-a-Service Expert Exam for Cloud Architects Sample Questions:

1. A hosting organization operates from two data centers and typically hosts very large customers. The delivery and support of the IT Infrastructure is not service driven. The IT technical delivery functions operate in silos. Customers suffer a significant lead time to establish new operational environments. In addition, changes to applications that impact the infrastructure have a long lead time.
One of the customers has requested a service-driven approach for a new business application and its associated infrastructure. The hosting organization has agreed to build a PaaS offering.
Which operational tool and process transformation approach is most suitable for the hosting company?

A) Deploy additional cloud tools alongside existing tooling. Train the IT operations teams to use the new tools. Start to transform operations once the cloud is up and running.
B) Design a new service-driven set of tools and processes. Train some of the IT operations teams to use the new tools. In advance of service demand, procure appropriate storage, network and compute capability for the cloud.
C) Design a new service-driven set of tools and processes. Train the IT operations teams to use the new tools. Manage cloud capacity using the existing process to order storage, network and compute.
D) Use the existing mature tools and processes that are used for all customers. Manage cloud capacity using the existing process to order storage, network and compute.

2. An enterprise's IT department is transitioning to ITaaS. The IT department is developing a service management methodology. They are uncertain about how much of the measurement data should be stored, and for how long. One consideration is the trade-off between storage cost and data granularity.
What would you, the cloud architect, recommend as a best practice?

A) Keep all raw data, given that storage costs are relatively low.
B) Store as much monitoring data as possible given cost constraints. This enables future diagnosis and offers visibility into SLA compliance.
C) Keep only peaks and averages for a longer period of time. This minimizes query time, protection, and recovery issues.
D) Keep more granular data than just peaks and averages. This allows a higher level of monitoring at reasonable cost, given deduplication and compression.

3. The operations department of a major hosting provider is under pressure to deliver services more quickly. They have a significant number of tools for managing IT technologies across the data center.
Although investments in virtualization and automation have been made, it still takes months to provision basic IT services to meet new customer demands. The provider is considering offering cloud services.
What is a key focus area for driving higher operational efficiency and associated profits?

A) Deliver a custom capability for each customer based on analysis of the application architecture. Use shared services where possible.
B) Strengthen the architecture to ensure that the components within the data center are modular and can be reused.
C) Deliver custom services using automation tools. Apply change control to the tools to minimize change. Develop reusable components to build environments.
D) Deliver customer services that are derived from an approved set of service templates. Apply change control to manage the life cycle of the templates.

4. An enterprise decided to place some sensitive data in the public cloud and implemented security mechanisms to protect this data.
Recently the public cloud provider's systems had a security breach. The enterprise was not concerned because they felt their data had been completely protected. All of the services housing the data are protected by an IPS application and no alerts were generated by the system.
How did the enterprise protect its data?

A) All data in the public cloud environment was encrypted at-rest only. The encryption keys were
under complete control of the enterprise and were not available to the public provider.
The cloud provider's logs showed that the enterprise's services were copied.
B) All data in the public cloud environment was encrypted at-rest and in-transit. Copies of the
encryption keys were secured by the public cloud provider in case they were lost.
The cloud provider's logs showed that the enterprise's services were neither accessed nor copied.
C) All data in the public cloud environment was encrypted at-rest and in-transit. The encryption
keys were under complete control of the enterprise and were not available to the public provider.
The cloud provider's logs showed that the enterprise's services were copied.
D) All data in the public cloud environment was encrypted in-transit only. The encryption keys were
under complete control of the enterprise and were not available to the public provider.
The cloud provider's logs showed that the enterprise's services were copied.

5. The IT department and lines of business at a pharmaceutical company are determining what the best resource allocation and chargeback models would be to fund their development efforts.
The primary drivers are:
-Guaranteed resources are always available -Applications should be able to burst quickly on-demand -SLAs are negotiable
Which best meets the requirements?

A) A guaranteed allocation model. Each LOB is billed one rate for both the resources used within the guaranteed pool and the shared pool.
B) A guaranteed allocation model. Each LOB is billed one rate for the resources used within the guaranteed pool and a different rate for the resources used within the shared pool.
C) A variable resource allocation model. Each LOB is billed one rate for the resources used within the guaranteed pool and a different rate for the resources used within the shared pool.
D) A variable resource allocation model. Each LOB is billed one rate for both the resources used within the guaranteed pool and shared pool.

Solutions: