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

1. You are a Cloud Architect working with a large financial services company. They currently have a large, hybrid cloud that includes multiple CSPs. The company recently suffered a breach on some of their web servers hosted at one of the CSPs and were not alerted to it.
Which product would you recommend to help the company improve their response to threats such as this, and why?

A) VMware vCenter Operations, for its performance monitoring of web servers
B) VMware vCenter Operations, for its real-time monitoring of log and event data
C) RSA NetWitness Panorama, for its real-time monitoring of log and event data
D) RSA NetWitness Panorama, for its performance monitoring of web servers

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.
Within six months, IT experiences these problems:
(a). Developers are complaining of poor and inconsistent performance
(b). Resource utilization has far exceeded expectations
(c). The environment has become very complex
(d). Since the resource pools are shared throughout the organization, IT has been unable to identify usage patterns, making capacity planning very difficult
What can the IT department do to address problem (a)?

A) Communicate appropriate SLAs that are realistic given the demand and resources available
B) Divide the "application developer" and "big data" workloads into separate resource pools
C) Standardize on a subset of offerings to meet the needs of most developers and minimize the number of customization options
D) Offer additional, larger resource platform options to the developers

3. Refer to Scenario 5.
Refer to the exhibit.

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.
-- Exhibit -
Another evaluation point is the completion time for weekly full backups to the cloud service provider. Which would have the most favorable impact on full backup speed?

A) Source-based deduplication
B) Use of thin provisioning for volumes
C) Low capacity growth rate for volumes
D) Target-based deduplication

4. A regional accounting and analytics firm headquartered in Seattle, WA has built a profitable business selling a portfolio of financial services to several large local enterprises. The company's flagship applications process large volumes of enterprise-internal financial data within IT operations.
Recently, the firm has established small remote offices in Hong Kong, Seoul, and Beijing to grow in the Far East.
The business is critically dependent on its data processing capabilities, and recognizes the need for ITaaS transformation. They are seeking guidance on a suitable IT governance model.
What type of model should you recommend, and why?

A) Centralized at headquarters, to maximize security and minimize compliance risk
B) Distributed by geography, to address different regional regulations
C) Hybrid by location and application, to eliminate silos and promote growth
D) Federated by application, to ensure creation of customized services for each application

5. A company is actively moving business applications to an ITaaS model. The IT department increasingly acts as an adviser, proposing the best fit from either private cloud capability or public cloud suppliers.
The company's finance department is considering their financial applications for cloud as they increasingly need more capacity and better performance at the end of the month, which the current infrastructure cannot deliver. The financial application architecture is three tier (presentation, middleware, and database).
The IT security team has suggested that with appropriate controls the presentation layer could be deployed in a public cloud but the middleware and database layers cannot.
What would be the best approach to enabling service elasticity in this scenario?

A) IaaS deployment in the public cloud
B) IaaS deployment in the community cloud
C) IaaS deployment in the private cloud
D) IaaS deployment in the hybrid cloud

Solutions: