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

1. The marketing line of business of an enterprise has deployed web services within a private cloud. They wish to provide additional web services elastically and distribute them around the globe using a public cloud provider.
The web services have a loosely coupled design and have no content dependencies on any resources in the private cloud. They are created from a standard PaaS template, which includes an intrusion prevention system that periodically polls a central management server for security updates. The IPS management server is located within the private cloud. No layer 2 connectivity exists between the private and public clouds. The consumers of these web services are distributed across the globe.
Which solution would you recommend to best support the web service elasticity and to minimize service network latency for the consumer?

A) Implement a global load balancing service as a front-end for the web services.
B) Implement an encrypted VPN tunnel between the private and public clouds.
C) Increase bandwidth between the private cloud and the Internet.
D) Deploy a central database server to consolidate web service content.

2. 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 directly to the credit card processing system. Credit card information is backed up to the private cloud system and stored using AES 128 encryption.
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 to both the credit card processing system and to private cloud for historical tracking and reporting only.
D) 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.

3. A company has deployed a fully operational, private PaaS service. The service catalog links to an orchestration engine that builds servers automatically.
What is the primary reason the IT security risk team is proposing the use of strong authentication for all service catalog users?

A) Because the catalog is responsible for the authentication of users who manage the CMDB, they must be strongly authenticated.
B) Because the catalog is used to define resource pools, an unauthorized user could impact the production systems.
C) Because the catalog triggers orchestration actions, an unauthorized user can trigger a denial of service attack.
D) Because the catalog is used to define service contracts, an unauthorized user could adjust service level agreements.

4. You are working with an independent software vendor to deploy a new SaaS-based application into an organization's private cloud. The application supports REST and SAML binding for authentication. Which cloud single sign-on solution would best fit the needs of this SaaS application?

A) LDAP
B) OpenID
C) OAuth
D) SCIM

5. An enterprise decided to place some sensitive data in the public cloud and implemented security mechanisms to protect this data.
Recently the public cloud provider's systems had a security breach. The enterprise was not concerned because they felt their data had been completely protected. All of the services housing the data are protected by an IPS application and no alerts were generated by the system.
How did the enterprise protect its data?

A) All data in the public cloud environment was encrypted at-rest and in-transit. Copies of the
encryption keys were secured by the public cloud provider in case they were lost.
The cloud provider's logs showed that the enterprise's services were neither accessed nor copied.
B) All data in the public cloud environment was encrypted in-transit only. The encryption keys were
under complete control of the enterprise and were not available to the public provider.
The cloud provider's logs showed that the enterprise's services were copied.
C) All data in the public cloud environment was encrypted at-rest and in-transit. The encryption
keys were under complete control of the enterprise and were not available to the public provider.
The cloud provider's logs showed that the enterprise's services were copied.
D) All data in the public cloud environment was encrypted at-rest only. The encryption keys were
under complete control of the enterprise and were not available to the public provider.
The cloud provider's logs showed that the enterprise's services were copied.

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