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EMC Virtualized Data Center and Cloud Infrastructure Design Specialist Sample Questions:

1. What is IT's approach to addressing performance issues during the Virtualize phase of the Cloud Maturity Model?

A) Investigative
B) Selective
C) Reactive
D) Proactive

2. After virtualizing an x86 server workload, users report that a custom application is performing poorly. You investigate the issue and find that the resources on the host do not appear to be constrained. However, you discover that the application on the guest operating system has an abnormally high number of context switches.
What should you do to resolve the issue?

A) Use software-assisted virtualization
B) Move to a Type 2 hypervisor
C) Turn on hardware virtualization in the BIOS
D) Deploy additional hosts

3. You have decided to pursue a "scale-up" approach instead of a "scale-out" approach to storage.
What is the fundamental tradeoff that you have made?

A) Higher application throughput versus degraded response time
B) Improved availability versus limited scalability
C) Ease of storage tiering versus poor resource utilization
D) Simplicity of management versus improved scalability

4. You are planning to deploy a virtualized application in a high-availability configuration with automated VM restart on a hypervisor cluster. Your sizing estimates show that peak workload conditions will saturate the processing power of five hypervisor servers.
To meet the SLA, N+1 redundancy is required on the hypervisor servers, with server utilization not to exceed 85% under any conditions.
What is the minimum number of nodes that you should configure in the hypervisor cluster?

A) 5
B) 8
C) 6
D) 7

5. Which technology provides load balancing and fault tolerance for Fibre Channel over Ethernet traffic?

A) NIC Teaming
B) Fibre Channel Initiator
C) HBA Teaming
D) Multipathing Software

Solutions: