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

1. A hosting company has experienced a sudden increase in customer interest and wishes to implement ITaaS. They are now hosting online shopping applications for several retail computer and electronics companies.
Developers in the customer companies use their own internal credentials and have the ability to publish applications and changes to their stores. Shoppers access these stores using a variety of mobile applications and web browsers.
What should be addressed when migrating to ITaaS and implementing a service catalog for the retail and electronic companies?

A) Support for several different CMDB systems
B) Integration of multiple hypervisors
C) On-demand resource pool creation
D) Integration with different authentication systems

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

3. You are a Cloud Architect working with a large financial services company. They currently have a large, hybrid cloud that includes multiple CSPs. The company recently suffered a breach on some of their web servers hosted at one of the CSPs and were not alerted to it.
Which product would you recommend to help the company improve their response to threats such as this, and why?

A) VMware vCenter Operations, for its real-time monitoring of log and event data
B) VMware vCenter Operations, for its performance monitoring of web servers
C) RSA NetWitness Panorama, for its performance monitoring of web servers
D) RSA NetWitness Panorama, for its real-time monitoring of log and event data

4. A large enterprise has several applications deployed in a hybrid cloud. Ever since the hybrid cloud was deployed, the enterprise network operations center has never been able to fully reconcile network and audit logs.
What should be investigated first as the possible source of the issue?

A) Exposing management APIs
B) Confirm time is synchronized between locations
C) Tenant in-control versus provider in-control differences
D) Filtering false positives

5. 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) Hybrid, since it is the best approach during rapid growth by acquisition
C) Federated by application, since it ensures autonomy for each application team and promotes customer satisfaction
D) Distributed by geography, since it enables localized control and lock down of sensitive data

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