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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 characteristic of this design?

A) Unbalanced resource utilization
B) Memory resource contention
C) Lack of network isolation
D) CPU resource contention

2. Refer to Scenario 7.
-- Exhibit -
Scenario 7.
A web hosting company has been growing steadily over the past year. Their single data center is at maximum capacity for power, space and cooling, and their physical infrastructure is also running at capacity. They are evaluating the feasibility of obtaining another data center in a remote location to enable further growth.
One of the web hosting company's eCommerce customers notifies them that they are launching an enormous holiday sale, beginning in a few weeks. They expect utilization of their virtual server farm to double or triple for the next three to six months. The web hosting company cannot deploy the needed resources in a new data center in time for the sale. They opt to purchase services from a cloud service provider using a pay-as-you-go model.
Over the next two weeks, Layer 2 connectivity is established between the two sites. The web hosting company's IT staff works with the CSP to configure the necessary physical and virtual infrastructure. All traffic to the public cloud is routed through the private data center, across the Layer 2 connection. A local load balancer is deployed in the private data center. Orchestration tools are configured to burst the service into the public cloud automatically when utilization reaches 80%.
-- Exhibit -
To test the functionality of the new infrastructure, a load simulator is used to increase utilization on the servers. At 80% utilization, the orchestration tools provision the required resources in the public cloud. However, the utilization on the private cloud resources continues to increase, while the utilization on the public cloud resources remains at 0%.
What is the most likely cause of this problem?

A) The wrong subnets are configured across the network link
B) The wrong VLANs are configured across the network link
C) The global load balancer is not being updated with the new service information
D) The local load balancer is not being updated with the new service information

3. 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) Fixed-cost
D) Subscription-by-time

4. An enterprise wants to deploy a single sign-on solution to utilize within their private cloud environment. Their developers are experienced with the REST protocol, and they have a large number of interns that are employed May through August every year.
Their primary goal is to build a solution that utilizes the REST protocol. Their secondary goal is to be able to bulk load credentials for the interns into the system each year.
They have asked you to review the offerings from two identity providers. The results of your analysis are shown below:
-Provider A supports OpenID and OAuth -Provider B supports OAuth and SCIM
Which provider would you recommend, and why?

A) A, because it satisfies the primary goal
B) A, because it satisfies both the primary and secondary goals
C) B, because it satisfies the primary goal
D) B, because it satisfies both the primary and secondary goals

5. The IT group within a manufacturing organization is transforming their manual service offerings into automated service offerings to be available from a service catalog. After reviewing the required KPIs for the service, the service transition project manager asks you if the monitoring tools they currently employ need to be replaced.
What criteria are needed to effectively monitor the required KPIs?

A) Can they provide end-to-end support of the services?
B) Can they integrate with the orchestration engine to provide automation?
C) Can they control, automate, monitor and manage all elements of the service?
D) Can they measure, gather, analyze, and present the required metrics?

Solutions: