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EMC E20-918 Exam Syllabus Topics:

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

1. An IT group within an organization is transforming their virtualized data center to ITaaS. They plan to implement a chargeback method to appropriately bill the lines of business for the resources consumed. IT will initially offer a Windows platform for the QA personnel to perform end user testing on the application developed by the engineering group.
How would they effectively determine the cost of a service instance?

A) Use the Windows license cost and growth requirements, then factor in the number of service instances that can be supported.
B) Use the fixed costs and variable costs associated with the service, then factor in the number of service instances that the infrastructure resources can support.
C) Use the price that is used by a competitive CSP as a baseline. Factor in variable administrative costs, and then divide by the number of planned service instances.
D) Use the cost of the hardware, software, and licensing. Add in growth, then factor in the number of VMs that the hypervisors can support.

2. A bank is building a private cloud. They plan to offer services to customers and administrative staff. Each group has access to different levels of sensitive data with different performance characteristics. In addition, the bank must comply with PCI regulations when handling certain types of data on a small number of services.
What should a cloud architect recommend to the bank during the cloud design phase?

A) Implement multi-tenancy trust zones through the service catalog for customers and staff.
Implement IT security mechanisms to protect regulated data.
Create resource pools to support the performance characteristics.
B) Implement multi-tenancy trust zones through the service catalog for customers and staff.
Implement service orchestration to support the performance requirements.
Create resource pools to restrict access to regulated data.
C) Implement multi-tenancy trust zones through the service catalog for customers and staff.
Implement RBAC through the service catalog to protect regulated data.
Create resource pools to support the performance characteristics.
D) Implement multi-tenancy trust zones through the service catalog for regulated data. Implement
RBAC through the service catalog to protect customer and staff data.
Create resource pools to support the performance characteristics.

3. You have been hired by a large, global manufacturing company to conduct a consolidation assessment.
During the interview process, you determine which applications are most important to the business. Key performance metrics are also collected. You also find:
-Some applications see little or no use -SLAs for mission critical applications are 99.99% -Corporate email is considered proprietary and confidential information -Country specific regulations apply to certain applications
What should you use to determine proper application placement?

A) Workload analysis for right-sourcing
B) Application level gap analysis
C) Cloud services assessment
D) Cloud security alliance controls matrix

4. What is a key design consideration for a service provider to ensure that they can effectively process the termination of a service instance?

A) Incorporate a retention period for private user data and user PCI data
B) Incorporate a service grace period to prevent the actual deletion of the instance
C) Provide a chargeback bill or showback report
D) Archive the associated service data regardless of the user requirements

5. An IT security team is concerned about the authentication traffic patterns that may be required to integrate the private and public clouds. As a result, IT has elected to federate their active directory using ADFS from the private cloud to the public cloud.
One of the design decisions is whether to use a Layer 2, 3, or 7 firewall / switch mechanism between the public and private clouds. There are trade-offs with each choice.
Which network layer would best address this situation, and why?

A) Layer 3, because it allows segment isolation while still providing high performance levels.
B) Layer 7, because it allows control at the application layer and is policy driven.
C) Layer 2, because it provides the simplest configuration to manage and it is easy to isolate and troubleshoot problems.
D) Layer 2, because it provides the best performance and it is easy to isolate problems.

Solutions: