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QUESTION: 20
What design will effect traffic flows in the Data Center Core layer?
A. The domain needed to extend a VLAN from one switch to another is determined at the core layer
B. With a 3 layer (Access, Aggregation, Core) design the Layer 2 domain must be configured across the Core for VLAN extension to occur
C. Extending Layer 2 through a core causes path blocking by STP and has the risk of uncontrollable broadcast issues related to extending Layer 2 domains, and therefore should be avoided
D. Server-to-server traffic typically travels between aggregation modules by way of the core, while backup and replication traffic remains within the aggregation module
Answer: C
QUESTION: 21 When designing a collapsed core data center, which two technologies are used to virtualize the core and aggregation layers? (Choose two.)
A. FCoE
B. LISP
C. HSRP
D. VDC
E. VRF
Answer: D, E
QUESTION: 22 The classical aggregation layer design does not provide isolation on the control plane and on the data plane. What is the solution to thisproblem?