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

1. 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.
Once the web services were deployed into the public cloud, users started complaining about poor performance. Which solution would most likely improve performance of the web services?

A) Allocate additional virtual network interface cards to each web service to increase bandwidth.
B) Re-architect the web service to be loosely coupled.
C) Select a new internet service provider with a better peering relationship for end users.
D) Implement a global load balancing service as a front-end for the web services.

2. An IT organization is currently 80% virtualized and the CIO is planning for the transition to ITaaS. The organization has already experienced significant savings due to virtualization. Senior executives are concerned that ITaaS requires additional software licenses and additional headcount, both at significant cost.
How can the CIO convince senior management of the savings potential with ITaaS?

A) Propose that the CMDB and orchestration tool will decrease the cost of service management
B) Explain to senior management that there will not be any additional skill sets required for the ITaaS initiative
C) Show how the service catalog and orchestration tools can be viewed in the context of "cost to serve" to provide immediate business value
D) Explain that the service catalog can be a mechanism for controlling cost by influencing LOB/consumer behavior through showback/chargeback

3. A startup company is transitioning from a public cloud to a private cloud environment. As a first step, they will transition to a hybrid cloud model.
What is the best option for an interim single sign-on solution that can also be leveraged once the private cloud is fully implemented?

A) Public Key Infrastructure
B) Federated Single Sign-On
C) SAML
D) OAuth

4. Refer to Scenario 4.

A construction 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.
Your first goal in this proof-of-concept is to demonstrate one quick and successful backup run to the CSP for two different customer applications.
Which two applications would you select, if your desired outcome is backup completion within the shortest possible time?

A) HR and CRM
B) CRM and SCM
C) Messaging and CRM
D) Messaging and SCM

5. A hosting provider is evaluating potential resource allocation models to use for reserving client resources. Their service offering targets companies that want to run a dedicated private cloud and have mature personnel capable of allocating and managing resources based on their own needs.
Which model would be most suitable?

A) Pay-as-you-go
B) Fixed
C) Variable
D) Guaranteed

Solutions: