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

1. A hosting organization operates from two data centers and typically hosts very large customers. The delivery and support of the IT Infrastructure is not service driven. The IT technical delivery functions operate in silos. Customers suffer a significant lead time to establish new operational environments. In addition, changes to applications that impact the infrastructure have a long lead time.
One of the customers has requested a service-driven approach for a new business application and its associated infrastructure. The hosting organization has agreed to build a PaaS offering.
Which operational tool and process transformation approach is most suitable for the hosting company?

A) Design a new service-driven set of tools and processes. Train some of the IT operations teams to use the new tools. In advance of service demand, procure appropriate storage, network and compute capability for the cloud.
B) Use the existing mature tools and processes that are used for all customers. Manage cloud capacity using the existing process to order storage, network and compute.
C) Deploy additional cloud tools alongside existing tooling. Train the IT operations teams to use the new tools. Start to transform operations once the cloud is up and running.
D) Design a new service-driven set of tools and processes. Train the IT operations teams to use the new tools. Manage cloud capacity using the existing process to order storage, network and compute.

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

3. Which risk domain(s) is a concern when end users independently leverage the public cloud outside the management of corporate IT?

A) FIPS-140 enforcement
B) Availability and Control
C) Non-repudiation
D) Accessibility and Ease of use

4. A small company has been using a public cloud IaaS provider for several months. During this time the company has seen significant growth in revenue. This growth has triggered a surge in hiring, which has forced the company to repeatedly purchase additional services at premium cost from their CSP.
The company has leased a data center and started designing a cloud infrastructure to deploy a private cloud environment. The underlying hypervisor technology they chose is different than that of the CSP. Once the initial infrastructure has been implemented, they will transition to a hybrid cloud model. New services will only be deployed in the private cloud.
A new CIO has just been hired, but has little experience with cloud computing. You are a Cloud Architect who has been asked to consult on several areas of concern.
The first service must be deployed in the private cloud within the next month. The CIO does not want to rely solely on the existing single sign-on solution hosted in the public cloud, because network disruption between the clouds would impact user access.
What is the best option for an interim single sign-on solution that can be replaced once the private cloud is fully implemented?

A) SAML
B) OAuth
C) Public Key Infrastructure
D) Identity Provider

5. A public cloud service provider is facing several challenges in its IT operations:
1 - Rapidly increasing storage capacity needs, forcing frequent data migrations
2 - Consolidation of disparate Fibre Channel fabrics from multiple connectivity vendors
3 - Deployment of several types of hypervisors simultaneously in production
4 - Long-term archival of very large volumes of tenant data for compliance
5 - Very limited application mobility across data centers, using array-based replication
Which challenge(s) would VPLEX address?

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

Solutions: