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

1. Refer to Scenario 1.
"
An IT department is offering 50 Service Offerings in their service catalog to meet all the application developers' needs. Many of the variants have a very small number of associated instantiations. A "big data" platform is offered and being actively utilized by a team of data scientists.
All services are sourced from within the private cloud. The developers are able to customize the platform's compute, storage, protection and network configuration upon instantiation. They can also provision additional resources after the initial instantiation through an upgrade service within the catalog. Because of the culture of the organization, no chargeback mechanism is implemented.
Within six months, IT experiences these problems:
(a). Developers are complaining of poor and inconsistent performance
(b). Resource utilization has far exceeded expectations
(c). The environment has become very complex
(d). Since the resource pools are shared throughout the organization, IT has been unable to identify usage patterns, making capacity planning very difficult"
What can the IT department do to resolve problem (c)?

A) Offload the "big data" IaaS platform to a public service provider
B) Implement a showback mechanism to influence consumer behavior when choosing specific resources
C) Provide separate resource pools for the application developers and the data scientists and manage the pools separately
D) Standardize on a subset of offerings to meet the needs of most developers and minimize the number of customization options

2. In addition to the service template, what other information do you need to create a service offering?

A) Policies, rules, and orchestration
B) Policies, constraints, and rules
C) Rules, constraints, and orchestration
D) Rules, constraints, and limits

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

4. 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 next month, you are contacted by the billing department. They are unsure why the usage charges for the company have remained constant for several months. You know for certain that their services have been bursting into the public cloud frequently over the past two weeks.
What is the most likely course of action to identify the problem?

A) Terminate the contract with the CSP and sign a contract with a public provider that better integrates with the solution
B) Confirm that the configuration of the orchestration engine polls the correct data from the CSP
C) Check the details of the service offering and service contract to ensure a pay-as-you-go model is utilized
D) Investigate the pricing units in the accounting model to verify that the utility and activity costs are accurate and current

5. A company with a very high virtualization percentage decided to move to a cloud architecture. They hired a cloud service provider (CSP) to provide infrastructure on demand. The company moved the web front-end of a tightly coupled service to the CSP. Now users are complaining about slow response and timeout errors when accessing some of the web based applications.
What is the most likely reason for this issue?

A) One or more web server dependencies were not moved together to the CSP
B) The company data center and the CSP do not have Layer 3 connectivity
C) Users are not in the same Layer 2 domain as the CSP
D) The company data center and the CSP do not have Layer 2 extension

Solutions: