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

1. A large enterprise has several applications deployed in a hybrid cloud. Ever since the hybrid cloud was deployed, the enterprise network operations center has never been able to fully reconcile network and audit logs.
What should be investigated first as the possible source of the issue?

A) Filtering false positives
B) Tenant in-control versus provider in-control differences
C) Confirm time is synchronized between locations
D) Exposing management APIs

2. Refer to the exhibit.

A company is evaluating an ITaaS architecture to provision applications for their various business units. The IT architects consult you for help on the illustrated design.
What is a characteristic of this design?

A) Unbalanced resource utilization
B) Memory resource contention
C) Lack of network isolation
D) CPU resource contention

3. A hosting organization operates from two data centers and typically hosts very large customers. The delivery and support of the IT Infrastructure is not service driven. The IT technical delivery functions operate in silos. Customers suffer a significant lead time to establish new operational environments. In addition, changes to applications that impact the infrastructure have a long lead time.
One of the customers has requested a service-driven approach for a new business application and its associated infrastructure. The hosting organization has agreed to build a PaaS offering.
Which operational tool and process transformation approach is most suitable for the hosting company?

A) Deploy additional cloud tools alongside existing tooling. Train the IT operations teams to use the new tools. Start to transform operations once the cloud is up and running.
B) Design a new service-driven set of tools and processes. Train the IT operations teams to use the new tools. Manage cloud capacity using the existing process to order storage, network and compute.
C) Use the existing mature tools and processes that are used for all customers. Manage cloud capacity using the existing process to order storage, network and compute.
D) Design a new service-driven set of tools and processes. Train some of the IT operations teams to use the new tools. In advance of service demand, procure appropriate storage, network and compute capability for the cloud.

4. A startup company is transitioning from a public cloud to a private cloud environment. As a first step, they will transition to a hybrid cloud model.
What is the best option for an interim single sign-on solution that can also be leveraged once the private cloud is fully implemented?

A) SAML
B) Federated Single Sign-On
C) Public Key Infrastructure
D) OAuth

5. A manufacturing company hired you to help them in their journey to a hybrid cloud. You conduct an assessment and recommend migrating several existing Tier 2 applications to a public cloud provider. You must work within the following constraints:
-Migration can be performed only during weekends -Only limited downtime is acceptable -The configuration of the host and applications cannot be changed -The company needs to keep the costs as low as possible -Although there are no specific performance requirements, they are concerned about the quality
of the user experience
Which solution best addresses these needs?

A) Layer 2 extension with VPN connection over Internet with WAN optimization
B) Layer 3 connection over Internet with WAN optimization
C) Layer 2 extension with dedicated link and WAN optimization
D) Layer 3 connection over Internet with QoS

Solutions: