300-320 Question #164: Real Exam Question with Answer & Explanation

The correct answer is A: StackWise. Cisco StackWise is a proprietary technology used on workgroup-class switches (e.g., Catalyst 3750, 3850, 9000 series) that physically interconnects multiple switches via a dedicated stacking cable, presenting them as a single logical switch with one management IP and a unified co

Question

To support the enterprise high-availability requirements, which workgroup switch technology can be used to interconnect multiple switches into a single logical unit?

Options

AStackWise
BEtherChannel
CVSS
DvPC
EFlex Links

Explanation

Cisco StackWise is a proprietary technology used on workgroup-class switches (e.g., Catalyst 3750, 3850, 9000 series) that physically interconnects multiple switches via a dedicated stacking cable, presenting them as a single logical switch with one management IP and a unified control plane. VSS (Virtual Switching System) serves a similar purpose but targets distribution/core-layer switches like the Catalyst 6500/6800, not workgroup switches. EtherChannel bundles individual links for bandwidth and redundancy but does not merge switches into a single logical unit. vPC (Virtual Port Channel) is a Nexus data-center technology. Flex Links provides simple uplink redundancy as an STP alternative but does not create a logical unit of switches.

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