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

1. An organization is expanding its private cloud to a hybrid deployment to accommodate growth in its web / database application. The CIO is concerned about the security risks associated with the public cloud. They do not view firewall security as adequate to protect important company data. Encryption is being considered as a security measure.
As the cloud architect, what would you recommend?

A) Utilize database encryption.
Tell the CIO that the level of control is very granular, but substantial developer resources are
required.
B) Utilize application encryption.
Tell the CIO that search look-ups can be resource intensive.
C) Utilize application encryption.
Tell the CIO that the level of control is very granular, and developer resource requirements are
minimal.
D) Utilize database encryption.
Tell the CIO that search look-ups can be resource intensive.

2. 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) Investigate the pricing units in the accounting model to verify that the utility and activity costs are accurate and current
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) Terminate the contract with the CSP and sign a contract with a public provider that better integrates with the solution

3. Refer to Scenario 5.
Refer to the exhibit.

An innovative high-end graphics and multimedia firm with a substantially virtualized IT infrastructure wishes to consider cloud enablement next, as part of its logical progression to ITaaS.
As a first step, the firm plans to transition one relatively low-risk service -- daily backup -- to a public CSP. The existing backup strategy involves array-based cloning, followed by backup of the clones with dedicated servers. The system is functional; however, since the backup target device is due for a technology refresh, the firm is open to alternatives.
In evaluating alternatives, the key consideration is the ability to meet backup windows for daily incremental backups during the work week.
As advisor to this firm, you have conducted a quick assessment of the candidate applications and storage involved in daily backups. Relevant details are presented in the exhibit.
-- Exhibit -
Your second goal is to demonstrate that the CSP solution will be suitable for even the most time consuming backups.
Which application would you select for this test?

A) Email
B) Accounting
C) Legal
D) Development

4. A hosting organization operates from two data centers and typically hosts very large customers. The delivery and support of the IT Infrastructure is not service driven. The IT technical delivery functions operate in silos. Customers suffer a significant lead time to establish new operational environments. In addition, changes to applications that impact the infrastructure have a long lead time.
One of the customers has requested a service-driven approach for a new business application and its associated infrastructure. The hosting organization has agreed to build a PaaS offering.
Which operational tool and process transformation approach is most suitable for the hosting company?

A) Design a new service-driven set of tools and processes. Train the IT operations teams to use the new tools. Manage cloud capacity using the existing process to order storage, network and compute.
B) Use the existing mature tools and processes that are used for all customers. Manage cloud capacity using the existing process to order storage, network and compute.
C) Deploy additional cloud tools alongside existing tooling. Train the IT operations teams to use the new tools. Start to transform operations once the cloud is up and running.
D) Design a new service-driven set of tools and processes. Train some of the IT operations teams to use the new tools. In advance of service demand, procure appropriate storage, network and compute capability for the cloud.

5. 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."
In your analysis, you find that a different hypervisor is being used by the public cloud provider.
As the enterprise elastically provisions resources, what is a possible solution if the hypervisors are different?

A) Create a different service template to deploy in the public cloud.
B) Use a second service catalog to deploy the current service template in the public cloud.
C) Shut down services before migrating to the public cloud.
D) Recalibrate the current service template and deploy it in the public cloud.

Solutions: