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

1. You are a cloud consultant recently assigned to help an international pharmaceutical manufacturer implement ITaaS. The company has a well-staffed, highly technical IT organization.
There are concerns that implementing ITaaS will be met with resistance, because the IT group may feel that their job security is threatened.
You are seeking an individual within the organization to fill the role of Executive Sponsor for the ITaaS transformation project. Which individual would be the best candidate to fill this role?

A) A senior Finance executive with a familiarity of ITaaS, who is focused on cost savings possible with ITaaS
B) The Vice President of Operations, who is a good communicator and understands ITaaS as it relates to the business
C) The CIO, who has close ties to the IT organization and is focused on emerging technologies for ITaaS
D) A member of the Board of Directors, who holds a high enough position in the organization to drive change

2. A marketing company is using a Customer Relationship Management SaaS. The SaaS provider has deployed hardware load balancers to distribute users between application servers. User login states are preserved in the load balancer. Subsequent login requests direct each user to the same application server. If the server is unavailable or too busy, the user cannot log on.
Although the company is very happy with the SaaS cost savings they are unhappy with application availability. To improve application scalability the SaaS provider added new servers to the environment. Users, however, are still experiencing the same problem.
Which service characteristic should the SaaS provider implement to improve the user log-on reliability and scale application performance?

A) Reusable
B) Autonomy
C) Abstraction
D) Stateless

3. 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 retain the IP addresses on the servers in the public cloud
B) Change the configuration of the local load balancer and change the IP addresses for 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

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

5. An organization is expanding its private cloud to a hybrid deployment to accommodate growth in its web / database application. The CIO is concerned about the security risks associated with the public cloud. They do not view firewall security as adequate to protect important company data. Encryption is being considered as a security measure.
As the cloud architect, what would you recommend?

A) Utilize database encryption.
Tell the CIO that the level of control is very granular, but substantial developer resources are
required.
B) Utilize application encryption.
Tell the CIO that the level of control is very granular, and developer resource requirements are
minimal.
C) Utilize application encryption.
Tell the CIO that search look-ups can be resource intensive.
D) Utilize database encryption.
Tell the CIO that search look-ups can be resource intensive.

Solutions: