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

1. Refer to the exhibit.

You are expanding the compute layer of a VDC, and need to add more access layer switches to provide connectivity to the hypervisors. However, there are no available ports on the two aggregation layer switches to accommodate the uplink connections from the new access layer switches, and there is no available funding to purchase additional aggregation layer switches. The active uplinks are operating at 95% of capacity.
What can be done to expand the access layer and not impact the performance of the existing environment?

A) Aggregate the datacenter core switches.
Reduce the number of uplink connections from each aggregation layer switch by 50%.
B) Aggregate the access layer switches into a virtual switch.
Reduce the number of uplink connections to each aggregation layer switch by 50%.
C) Aggregate the aggregation layer switches into a virtual switch.
Reduce the number of uplink connections from each access layer switch by 50%.
D) Aggregate the datacenter core switches.
Reduce the number of uplink connections from each access layer switch by 50%.

2. A small law firm that does not currently have any virtualization technologies implemented has recently merged with another firm of approximately the same size. They are planning to consolidate into a single location. They have decided to virtualize their servers and they would like to consolidate storage. It has been determined that 80% of the file server data has not been accessed in over 90 days.
What can they implement to achieve higher storage efficiency?

A) File extension filters, to prevent non-business related data from being stored in home directories
B) A file archiving plan, to leverage inter-array storage tiering
C) Quotas, to limit the amount of capacity users or groups can consume
D) Vertical storage tiering, to ensure data is placed on the appropriate drive technology

3. A large enterprise has virtualized heavily and is in the process of implementing configuration management in the virtual infrastructure. One thing that causes a large number of incidents is the movement of virtual guest between physical hosts while maintaining network configuration and security configuration consistency.
Which feature should they implement to ensure consistency of network configuration and security while maintaining virtual machine mobility?

A) Port grouping
B) Virtual switches
C) Distributed virtual switches
D) VLAN tagging

4. You are designing a VDC that uses converged networking to support both LAN and SAN traffic. FCoE is used exclusively for storage access. The access and aggregation layer switches that have been chosen support both 10 and 40 Gigabit Ethernet and Data Center Bridging.
You have determined that the traffic between the access layer and aggregation layer switches is:
-
Average SAN (FCoE) - 60 Gb/s
-
Average LAN (Ethernet) - 100 Gb/s
-
Burst SAN (FCoE) - 80 Gb/s
-
Burst LAN (Ethernet) - 130 Gb/s
Performance cannot be degraded due to a failure of a single switch.
Which port configuration would support the average and burst traffic between the access and aggregation layer switches?

A) Four 40 Gb/s ports and eight 10 Gb/s ports
B) Three 40 Gb/s ports and six 10 Gb/s ports
C) Six 40 Gb/s ports
D) Five 40 Gb/s ports and one 10 Gb/s port

5. What is the difference between an FCoE frame and an iSCSI frame?

A) iSCSI uses TCP/IP; FCoE does not
B) FCoE uses TCP/ IP; iSCSI does not
C) FCoE operates on 10 Gigabit Ethernet; iSCSI does not
D) iSCSI encapsulates a complete FC frame; FCoE does not

Solutions: