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EMC E20-918 Exam Syllabus Topics:

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

1. An enterprise has decided to implement a new service that will process credit card information. They will deploy this service within their private cloud. They have a relationship with a public cloud provider that claims to be PCI compliant.
The enterprise wishes to implement a service that is PCI compliant with the least amount of effort. The service is protected by a policy-based intrusion detection system. Cardholder data is securely transmitted to the web interface.
Which additional design elements would best be suited for this implementation?

A) The card number is masked as it is typed and is immediately encrypted and securely sent to both the credit card processing system and to private cloud for historical tracking and reporting only.
B) The card number is masked as it is typed and is immediately encrypted, stored, and securely sent directly to the credit card processing system. Credit card information is stored within the public cloud provider using AES 128 encryption.
C) The card number is masked as it is typed and is immediately encrypted and securely sent directly to the credit card processing system. No credit card information is stored within the application.
D) The card number is masked as it is typed and is immediately encrypted and securely sent directly to the credit card processing system. Credit card information is backed up to the private cloud system and stored using AES 128 encryption.

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

3. A company is deploying a major new business application. The application development has been outsourced to several organizations.
The company has conducted several workshops with all suppliers and the testing team. The outcome of their efforts is a streamlined process that has dramatically reduced the cycle time from development to test, improved communications between all groups, and implemented common standards and objectives.
What have they achieved?

A) Implementation of common collaboration tools
B) Use of common automation and orchestration processes
C) Transition to a DevOps culture
D) Utilization of configuration management methodologies

4. 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 7, because it allows control at the application layer and is policy driven.
B) Layer 2, because it provides the best performance and it is easy to isolate problems.
C) Layer 3, because it allows segment isolation while still providing high performance levels.
D) Layer 2, because it provides the simplest configuration to manage and it is easy to isolate and troubleshoot problems.

5. 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) Add a secondary DNS server to the enterprise data center
C) Add a web server to the public cloud to ensure proper balance
D) Modify the application using DevOps to be cloud compliant

Solutions: