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

1. Refer to the exhibit.

You have been hired to assist with a migration to an ITaaS environment. The company has offices
in Atlanta, Dubai, and London, with 5000, 2000, and 3000 employees, respectively. A data center exists in each location, and most services have been virtualized. Messaging services are provided locally to the user.
You have just performed an assessment of the environment. The results are shown in the exhibit.
The CIO is interested in closing one of the data centers and migrating some or all of the services to a public cloud service provider (CSP). Any services that do not get migrated to the CSP will be hosted at one of the other two data centers. Network latency averages 8 milliseconds between the Atlanta and London offices, and 10 milliseconds between the London and Dubai offices. Traffic between Atlanta and Dubai is routed through London.
The eCommerce application is external facing and is hosted at all three data centers. Atlanta services 50% of the users in North and South America. London services 40% of the users in Europe and Asia. Dubai services 10% of the users in Africa and Australia.
You have tentatively chosen a CSP that is housed in Frankfurt, and would have access to 3 Gb/s of network bandwidth to the facility. The CSP's service levels are as follows:
-RPO: 4 hours -RTO: 1 hour -Availability: 99.995%
Your recommendation is to close the Dubai data center over a one-year time horizon.
What migration strategy would you recommend for the services that are currently hosted in the Dubai data center, and why?

A) Messaging to the public cloud; split eCommerce between London and Atlanta; CSP cannot support the availability for eCommerce
B) Messaging and eCommerce to the public cloud; CSP can support availability and bandwidth requirements for both applications
C) eCommerce to the public cloud; Messaging to Atlanta; CSP cannot support the bandwidth requirements for Messaging, and latency will be less from Atlanta
D) eCommerce to the public cloud; Messaging to London; CSP cannot support the bandwidth requirements for Messaging, and latency will be less from London

2. You are reviewing an organization's IT decision making processes in preparation for ITaaS. IT has a history of implementing technologies and solutions that don't meet the needs of the enterprise. What would you recommend to solve this problem?

A) Services should align to IT goals and be placed in a service catalog
B) Services should align to business objectives and be placed in a service catalog
C) Services should align to business objectives and be implemented through orchestration
D) Services should align to IT goals and be implemented through orchestration

3. A public cloud service provider wants to improve their IT capabilities in the following areas:
1 - Storage performance trending
2 - More comprehensive element management
3 - Holistic visibility across their storage services
4 - Security and Audit Log Management
5 - Reduce troubleshooting time
Which three areas is ProSphere best suited to address?

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

4. The marketing line of business of an enterprise 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 loosely coupled design and have no content dependencies on any resources in the private cloud. They are created from a standard PaaS template, 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. No layer 2 connectivity exists between the private and public clouds. The consumers of these web services are distributed across the globe.
Which solution would you recommend to best support the web service elasticity and to minimize service network latency for the consumer?

A) Implement a global load balancing service as a front-end for the web services.
B) Increase bandwidth between the private cloud and the Internet.
C) Deploy a central database server to consolidate web service content.
D) Implement an encrypted VPN tunnel between the private and public clouds.

5. A company is deploying a major new business application. The application development has been outsourced to several organizations.
The company has conducted several workshops with all suppliers and the testing team. The outcome of their efforts is a streamlined process that has dramatically reduced the cycle time from development to test, improved communications between all groups, and implemented common standards and objectives.
What have they achieved?

A) Utilization of configuration management methodologies
B) Implementation of common collaboration tools
C) Use of common automation and orchestration processes
D) Transition to a DevOps culture

Solutions: