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EMC E20-918 Exam Syllabus Topics:

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

1. Refer to the exhibit.

A company is evaluating an ITaaS architecture to provision applications for their various business units. The IT architects consult you for help on the illustrated design.
What is a potential risk in the design?

A) Unbalanced resource utilization
B) Multi-tenancy
C) Memory resource contention
D) CPU resource contention

2. Refer to Scenario 3.
A US company has deployed web services within a private cloud. They wish to provide additional web services elastically and distribute them around the globe using a public cloud provider.
The web services have a dependency on a database resource in the private cloud. The web services are deployed through a service catalog as a standardized service offering, which includes an intrusion prevention system that periodically polls a central management server for security updates. The IPS management server is located within the private cloud.
The web services collect highly regulated personal health information about consumers who are located around the world.
Once the web services were deployed into the public cloud, users started complaining about poor performance. Which solution would most likely improve performance of the web services?

A) Implement a global load balancing service as a front-end for the web services.
B) Allocate additional virtual network interface cards to each web service to increase bandwidth.
C) Select a new internet service provider with a better peering relationship for end users.
D) Re-architect the web service to be loosely coupled.

3. A software company recently entered into a cooperative development agreement with four global companies to develop control software for a manufacturing business. The software development team will use a development environment that includes ADA compilers and MySQL hosted by the manufacturer.
Which service delivery model should the manufacturing company use?

A) Infrastructure-as-a-Service
B) Application-as-a-Service
C) Software-as-a-Service
D) Platform-as-a-Service

4. A company is actively moving business applications to an ITaaS model. The IT department increasingly acts as an adviser, proposing the best fit from either private cloud capability or public cloud suppliers.
The company's finance department is considering their financial applications for cloud as they increasingly need more capacity and better performance at the end of the month, which the current infrastructure cannot deliver. The financial application architecture is three tier (presentation, middleware, and database).
The IT security team has suggested that with appropriate controls the presentation layer could be deployed in a public cloud but the middleware and database layers cannot.
What would be the best approach to enabling service elasticity in this scenario?

A) IaaS deployment in the hybrid cloud
B) IaaS deployment in the community cloud
C) IaaS deployment in the private cloud
D) IaaS deployment in the public cloud

5. A health care provider is determining the best chargeback model for their organization. Their requirements are:
-Simple to measure -Operational costs should be amortized over a specific time period -Charges should be divided among the lines of business
Which chargeback model satisfies these requirements?

A) Variable-cost
B) Subscription-by-peak-usage
C) Subscription-by-time
D) Fixed-cost

Solutions: