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

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

2. Refer to the exhibit.

You are discussing a network design that a cloud service provider has proposed for a tenant. The tenant states that one more firewall is required, and you agree.
Where should the firewall be placed?

A) Between VM2 and VM4
B) Between the Service A and Service B
C) Between VM2 and the tenant network
D) Between the tenant network and the external network

3. A hosting company operates from two data centers and typically hosts very large customers. The delivery and support of their IT infrastructure is not service driven. Customers suffer significant lead times to establish new operational environments, or to change existing infrastructure requirements.
A new, highly secure application development environment has been requested by one of the hosting company's customers. The customer has a tight time frame and needs to be able to create a test environment on-demand, within hours. The hosting company has decided to transition to ITaaS to meet the needs of this (and future) clients.
What must be done to achieve this?

A) Create a PaaS offering and contract. Automate and orchestrate the creation of the environment on-demand.
B) Create an IaaS capability. Agree upon the infrastructure dependencies to meet the application's needs. Use server provisioning tools to build servers when needed.
C) Utilize a public SaaS provider. Analyze the dependencies that the application may have on infrastructure that is located in the hosting data center.
D) Allocate capacity in the virtual environment. Maintain an agreed upon set of server gold builds. When needed, start the appropriate number of servers from templates.

4. You are the IT Manager of a health care company. You have decided to move to the public cloud and are evaluating various public cloud providers.
What characteristic would the best public cloud provider have, and why?

A) Have peering relationships with your current ISP, to provide the most direct path between company and public cloud
B) Uses the same firewall technology as your current ISP, to avoid any incompatibility issues
C) Be a small company, so you will have more flexibility to negotiate with them
D) Be PCI compliant, to avoid any future penalties to the company

5. An IT organization is currently 80% virtualized and the CIO is planning for the transition to ITaaS. The organization has already experienced significant savings due to virtualization. Senior executives are concerned that ITaaS requires additional software licenses and additional headcount, both at significant cost.
How can the CIO convince senior management of the savings potential with ITaaS?

A) Propose that the CMDB and orchestration tool will decrease the cost of service management
B) Show how the service catalog and orchestration tools can be viewed in the context of "cost to serve" to provide immediate business value
C) Explain to senior management that there will not be any additional skill sets required for the ITaaS initiative
D) Explain that the service catalog can be a mechanism for controlling cost by influencing LOB/consumer behavior through showback/chargeback

Solutions: