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

1. A public cloud service provider is facing several challenges in its IT operations:
1 - Rapidly increasing storage capacity needs, forcing frequent data migrations
2 - Transition to a converged network infrastructure with FCoE
3 - Deployment of several types of hypervisors simultaneously in production
4 - Long-term archival of very large volumes of tenant data for compliance
5 - In-flight encryption for tenants with stringent compliance requirements
Which challenge(s) would VPLEX address?

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

2. Refer to Scenario 5.

An innovative high-end graphics and multimedia 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) Email and Library
B) Library and Legal
C) HR and Library
D) Email and Legal

3. An enterprise company has a large, virtualized data center. They are currently auditing their servers to ensure they are in compliance with regulatory requirements.
Why would they choose to deploy VMware vCenter Configuration Manager?

A) It ensures that virtual server performance will meet SLAs
B) It maps applications quickly with agentless discovery across physical and virtual machines
C) It automatically scans virtual machines for missing security patches and remediates them
D) It maintains continuous compliance with out-of-the-box templates

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

5. An IT security team is concerned about the authentication traffic patterns that may be required to integrate the private and public clouds. As a result, IT has elected to federate their active directory using ADFS from the private cloud to the public cloud.
One of the design decisions is whether to use a Layer 2, 3, or 7 firewall / switch mechanism between the public and private clouds. There are trade-offs with each choice.
Which network layer would best address this situation, and why?

A) Layer 2, because it provides the best performance and it is easy to isolate problems.
B) Layer 3, because it allows segment isolation while still providing high performance levels.
C) Layer 2, because it provides the simplest configuration to manage and it is easy to isolate and troubleshoot problems.
D) Layer 7, because it allows control at the application layer and is policy driven.

Solutions: