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

1. A start-up cloud provider is evaluating potential resource allocation models to use for reserving client resources. Their service offering targets software development and testing.
Which model would be most suitable?

A) Reserved
B) Guaranteed
C) Fixed
D) Pay-as-you-go

2. 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 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.
B) A variable resource allocation model. Each LOB is billed one rate for both the resources used within the guaranteed pool and shared pool.
C) A guaranteed allocation model. Each LOB is billed one rate for both the resources used within the guaranteed pool and the shared pool.
D) 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.

3. Refer to 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%."
During the first day of increased usage, the network link between your data center and the CSP fails due to an external problem. You need to design an alternate solution to prevent degradation in the service offering.
Which solution would provide the best performance for the end user?

A) Deploy a global load balancer and retain the IP addresses on the servers in the public cloud
B) Deploy a global load balancer and change the IP addresses for the servers in the public cloud
C) Change the configuration of the local load balancer and change the IP addresses for the servers in the public cloud
D) Change the configuration of the local load balancer and retain the IP addresses on the servers in the public cloud

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

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

Solutions: