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

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

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

3. A cloud service provider has just delivered a presentation to your organization. During the ROI section of the presentation the vendor described how their predefined service catalog would dramatically reduce service commissioning timing and guarantee a consistent user experience. However, the presenter did not attach a direct financial value to the service catalog.
You are helping to create an initial justification report for the organization. How could you categorize the non-financial benefits of the service catalog?

A) Time-to-deliver
B) Time-to-value
C) Time-to-live
D) Time-to-deploy

4. 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 customers and staff.
Implement RBAC through the service catalog to protect regulated data.
Create resource pools to support the performance characteristics.
B) 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.
C) 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.
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.

5. Refer to the exhibit.

A small insurance company wants to extend their website to the public cloud for elasticity and high availability. After reviewing the exhibit, what suggestion would you make to ensure expectations will be met?

A) Upgrade the firewall to a newer version to support load balancing and QoS
B) Add a secondary DNS server to the enterprise data center
C) Add a web server to the public cloud to ensure proper balance
D) Modify the application using DevOps to be cloud compliant

Solutions: