300-320 · Question #719
Which technology in a data center provides traffic between the client and servers or from server to server using all available links?
The correct answer is A. vPC. vPC (Virtual Port Channel) allows a downstream device (server or switch) to bundle links to two different upstream Cisco Nexus switches into a single logical port channel. This eliminates Spanning Tree Protocol's blocked ports and enables all physical links to actively carry…
Question
Which technology in a data center provides traffic between the client and servers or from server to server using all available links?
Options
- AvPC
- BVDC
- CVRF
- DVXLAN
How the community answered
(61 responses)- A89% (54)
- B3% (2)
- C2% (1)
- D7% (4)
Explanation
vPC (Virtual Port Channel) allows a downstream device (server or switch) to bundle links to two different upstream Cisco Nexus switches into a single logical port channel. This eliminates Spanning Tree Protocol's blocked ports and enables all physical links to actively carry traffic simultaneously, maximizing bandwidth for both client-to-server and server-to-server communication. VDC (B) partitions a physical Nexus switch into logical devices - it does not address link utilization. VRF (C) provides traffic separation through virtual routing tables but does not utilize multiple links. VXLAN (D) is a Layer 2 overlay protocol for extending networks over Layer 3 fabrics, not specifically for using all links.
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