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

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

2. A public cloud service provider has stated they intend to improve their IT capabilities in the following areas:
1 - Monitor storage usage patterns and identify bottlenecks
2 - More comprehensive element management
3 - Holistic visibility across their storage services
4 - VMware provisioning
5 - Identifying opportunities to move data to more cost effective storage
Which three areas is ProSphere best suited to address?

A) 3, 4, and 5
B) 1, 2, and 3
C) 1, 3, and 5
D) 2, 3, and 4

3. A health care applications software company has been growing rapidly by acquiring several similar companies, which are based in other states.
IT is now struggling to provide services for developing, testing and supporting multiple application teams. For each application, customer support must frequently handle sensitive electronic medical records data that is subject to Federal compliance. No formal standards or policies have been established across application teams relative to sensitive data.
With the goal of ITaaS transformation, senior management seeks to establish IT governance. What would you recommend for a governance model, and why?

A) Centralized, since security and compliance concerns are relatively homogeneous across the enterprise
B) Distributed by geography, since it enables localized control and lock down of sensitive data
C) Hybrid, since it is the best approach during rapid growth by acquisition
D) Federated by application, since it ensures autonomy for each application team and promotes customer satisfaction

4. 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) Accounting
B) Development
C) Legal
D) Email

5. A bank is building a private cloud. They plan to offer services to customers and administrative staff. Each group has access to different levels of sensitive data with different performance characteristics. In addition, the bank must comply with PCI regulations when handling certain types of data on a small number of services.
What should a cloud architect recommend to the bank during the cloud design phase?

A) Implement multi-tenancy trust zones through the service catalog for regulated data. Implement
RBAC through the service catalog to protect customer and staff data.
Create resource pools to support the performance characteristics.
B) Implement multi-tenancy trust zones through the service catalog for customers and staff.
Implement service orchestration to support the performance requirements.
Create resource pools to restrict access to regulated data.
C) Implement multi-tenancy trust zones through the service catalog for customers and staff.
Implement RBAC through the service catalog to protect regulated data.
Create resource pools to support the performance characteristics.
D) Implement multi-tenancy trust zones through the service catalog for customers and staff.
Implement IT security mechanisms to protect regulated data.
Create resource pools to support the performance characteristics.

Solutions: