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

1. Refer to the exhibit.

You have been hired to assist with a migration to an ITaaS environment. The company has offices
in Atlanta, Dubai, and London, with 5000, 2000, and 3000 employees, respectively. A data center exists in each location, and most services have been virtualized. Messaging services are provided locally to the user.
You have just performed an assessment of the environment. The results are shown in the exhibit.
The CIO is interested in closing one of the data centers and migrating some or all of the services to a public cloud service provider (CSP). Any services that do not get migrated to the CSP will be hosted at one of the other two data centers. Network latency averages 8 milliseconds between the Atlanta and London offices, and 10 milliseconds between the London and Dubai offices. Traffic between Atlanta and Dubai is routed through London.
The eCommerce application is external facing and is hosted at all three data centers. Atlanta services 50% of the users in North and South America. London services 40% of the users in Europe and Asia. Dubai services 10% of the users in Africa and Australia.
You have tentatively chosen a CSP that is housed in Frankfurt, and would have access to 3 Gb/s of network bandwidth to the facility. The CSP's service levels are as follows:
-RPO: 4 hours -RTO: 1 hour -Availability: 99.995%
Your recommendation is to close the Dubai data center over a one-year time horizon.
What migration strategy would you recommend for the services that are currently hosted in the Dubai data center, and why?

A) Messaging to the public cloud; split eCommerce between London and Atlanta; CSP cannot support the availability for eCommerce
B) Messaging and eCommerce to the public cloud; CSP can support availability and bandwidth requirements for both applications
C) eCommerce to the public cloud; Messaging to London; CSP cannot support the bandwidth requirements for Messaging, and latency will be less from London
D) eCommerce to the public cloud; Messaging to Atlanta; CSP cannot support the bandwidth requirements for Messaging, and latency will be less from Atlanta

2. An enterprise's IT department is transitioning to ITaaS. The IT department is developing a service management methodology. They are uncertain about how much of the measurement data should be stored, and for how long. One consideration is the trade-off between storage cost and data granularity.
What would you, the cloud architect, recommend as a best practice?

A) Keep more granular data than just peaks and averages. This allows a higher level of monitoring at reasonable cost, given deduplication and compression.
B) Keep only peaks and averages for a longer period of time. This minimizes query time, protection, and recovery issues.
C) Store as much monitoring data as possible given cost constraints. This enables future diagnosis and offers visibility into SLA compliance.
D) Keep all raw data, given that storage costs are relatively low.

3. During an initial discovery of a company's environment you realize there are applications with unique risk considerations. In anticipation of moving the organization to ITaaS, how should these application security requirements be managed?

A) Adopt the public cloud provider's security standards
B) Implement an intrusion protection system
C) Address security on an application by application basis
D) Identify a unique cloud service provider to host each sensitive application

4. Refer to the exhibit.

A small insurance company wants to extend their website to the public cloud for elasticity and high availability. After reviewing the exhibit, what suggestion would you make to ensure expectations will be met?

A) Upgrade the firewall to a newer version to support load balancing and QoS
B) Modify the application using DevOps to be cloud compliant
C) Add a secondary DNS server to the enterprise data center
D) Add a web server to the public cloud to ensure proper balance

5. You have been hired by a large, global manufacturing company to conduct a consolidation assessment.
During the interview process, you determine which applications are most important to the business. Key performance metrics are also collected. You also find:
-Some applications see little or no use -SLAs for mission critical applications are 99.99% -Corporate email is considered proprietary and confidential information -Country specific regulations apply to certain applications
What should you use to determine proper application placement?

A) Cloud security alliance controls matrix
B) Cloud services assessment
C) Workload analysis for right-sourcing
D) Application level gap analysis

Solutions: