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EMC E20-918 Exam Syllabus Topics:

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

1. A financial company has made several acquisitions within the past few years. They currently have two primary data centers that are 50 km apart. Recently, an internal assessment was conducted to explore ways to improve ingress/egress utilization and to extend their firewall to the cloud.
Which type of firewall would best suit their needs?

A) Federated
B) Reverse proxy servers
C) Load balanced reverse proxy servers
D) Linked VPN

2. A company with a very high virtualization percentage decided to move to a cloud architecture. They hired a cloud service provider (CSP) to provide infrastructure on demand. The company moved the web front-end of a tightly coupled service to the CSP. Now users are complaining about slow response and timeout errors when accessing some of the web based applications.
What is the most likely reason for this issue?

A) Users are not in the same Layer 2 domain as the CSP
B) The company data center and the CSP do not have Layer 2 extension
C) The company data center and the CSP do not have Layer 3 connectivity
D) One or more web server dependencies were not moved together to the CSP

3. An enterprise has decided to implement a new service that will process credit card information.
They will deploy this service within a hybrid cloud.
Their public cloud provider claims to be PCI DSS 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 directly to the credit card processing system. Credit card information is only stored in the public cloud provider's systems using AES 128 encryption.
B) 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 stored using AES 128 encryption within the public cloud provider or within the private cloud, depending on the location of the service.
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 to both the credit card processing system and to the private cloud for historical tracking and reporting only.

4. You are a cloud consultant recently assigned to help an international pharmaceutical manufacturer implement ITaaS. The company has a well-staffed, highly technical IT organization.
There are concerns that implementing ITaaS will be met with resistance, because the IT group may feel that their job security is threatened.
You are seeking an individual within the organization to fill the role of Executive Sponsor for the ITaaS transformation project. Which individual would be the best candidate to fill this role?

A) The Vice President of Operations, who is a good communicator and understands ITaaS as it relates to the business
B) A member of the Board of Directors, who holds a high enough position in the organization to drive change
C) The CIO, who has close ties to the IT organization and is focused on emerging technologies for ITaaS
D) A senior Finance executive with a familiarity of ITaaS, who is focused on cost savings possible with ITaaS

5. Refer to Scenario 7.
"
A web hosting company has been growing steadily over the past year. Their single data center is at maximum capacity for power, space and cooling, and their physical infrastructure is also running at capacity. They are evaluating the feasibility of obtaining another data center in a remote location to enable further growth.
One of the web hosting company's eCommerce customers notifies them that they are launching an enormous holiday sale, beginning in a few weeks. They expect utilization of their virtual server farm to double or triple for the next three to six months. The web hosting company cannot deploy the needed resources in a new data center in time for the sale. They opt to purchase services from a cloud service provider using a pay-as-you-go model.
Over the next two weeks, Layer 2 connectivity is established between the two sites. The web hosting company's IT staff works with the CSP to configure the necessary physical and virtual infrastructure. All traffic to the public cloud is routed through the private data center, across the Layer 2 connection. A local load balancer is deployed in the private data center. Orchestration tools are configured to burst the service into the public cloud automatically when utilization reaches 80%."
After viewing the weekly trending analysis, you notice that the cost of resources allocated does not correspond to resource utilization. And the billing statement from the cloud service provider (CSP) reflects higher than expected charges.
What is the most effective action to take to rectify the discrepancy?

A) Verify that the orchestration engine is configured to trigger the collapse of the underutilized resources
B) Terminate the contract with the CSP and sign a contract with a public provider that better integrates with the solution
C) Contact the CSP representative and negotiate a fixed cost model
D) Contact the CSP representative and renegotiate the terms of service of the contract

Solutions: