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

1. A company has deployed a fully operational, private PaaS service. The service catalog links to an orchestration engine that builds servers automatically.
What is the primary reason the IT security risk team is proposing the use of strong authentication for all service catalog users?

A) Because the catalog is used to define resource pools, an unauthorized user could impact the production systems.
B) Because the catalog is responsible for the authentication of users who manage the CMDB, they must be strongly authenticated.
C) Because the catalog triggers orchestration actions, an unauthorized user can trigger a denial of service attack.
D) Because the catalog is used to define service contracts, an unauthorized user could adjust service level agreements.

2. Refer to Scenario 1 below.
An IT department is offering 50 Service Offerings in their service catalog to meet all the application developers' needs. Many of the variants have a very small number of associated instantiations. A "big data" platform is offered and being actively utilized by a team of data scientists.
All services are sourced from within the private cloud. The developers are able to customize the platform's compute, storage, protection and network configuration upon instantiation. They can also provision additional resources after the initial instantiation through an upgrade service within the catalog. Because of the culture of the organization, no chargeback mechanism is implemented.
What can the IT department do to resolve problems (b) and (d)?

A) Provide separate resource pools for the application developers and the data scientists and manage the pools separately
B) Standardize on a subset of offerings to meet the needs of most developers and minimize the number of customization options
C) Meter usage patterns and implement a showback mechanism to influence consumer behavior when choosing specific resources
D) Decrease the number of IaaS offering variations and customization options

3. A health care provider is determining the best chargeback model for their organization. Their requirements are:
-Simple to measure -Operational costs should be amortized over a specific time period -Charges should be divided among the lines of business
Which chargeback model satisfies these requirements?

A) Variable-cost
B) Subscription-by-time
C) Fixed-cost
D) Subscription-by-peak-usage

4. The line of business (LOB) Services Product Manager has asked you to implement a solution that monitors the actual resource utilization of your company's private cloud infrastructure.
This solution should gather actual statistics of utilization and relate them back to the actual infrastructure costs to show the realized cost to run the vApp within the company's private cloud.
Which software solution would best fit the requirements of the LOB Services Product Manager?

A) VMware vCloud Director
B) VMware vCenter Configuration Manager
C) VMware vCenter Chargeback
D) VMware vCenter Operations

5. The operations department of a major hosting provider is under pressure to deliver services more quickly. They have a significant number of tools for managing IT technologies across the data center.
Although investments in virtualization and automation have been made, it still takes months to provision basic IT services to meet new customer demands. The provider is considering offering cloud services.
What is a key focus area for driving higher operational efficiency and associated profits?

A) Deliver a custom capability for each customer based on analysis of the application architecture. Use shared services where possible.
B) Deliver customer services that are derived from an approved set of service templates. Apply change control to manage the life cycle of the templates.
C) Deliver custom services using automation tools. Apply change control to the tools to minimize change. Develop reusable components to build environments.
D) Strengthen the architecture to ensure that the components within the data center are modular and can be reused.

Solutions: