Which technology reduces the implementation of STP and leverages both unicast and multicast?

Question

Options

• AVSS
• BVXLAN
• CVPC
• DVLAN

• A
  73% (29)
• B
  10% (4)
• C
  15% (6)
• D
  3% (1)

Explanation

VSS (Virtual Switching System) Explanation

VSS (Virtual Switch System) is correct because it combines two physical switches into a single logical switch, which eliminates the need for STP by removing the redundant Layer 2 loops that STP was designed to manage - since the network sees only one logical device. VSS also leverages both unicast and multicast traffic natively across its dual-chassis architecture, enabling efficient load balancing and redundancy without STP overhead.

Why the distractors are wrong:

• VXLAN (B) is a network virtualization/overlay technology used to extend Layer 2 networks over Layer 3 - it doesn't inherently reduce STP or combine switch chassis
• VPC (C) (Virtual Port Channel) also reduces STP dependency, but it is a Cisco Nexus-specific feature and does not leverage both unicast and multicast the same way VSS does at a chassis level
• VLAN (D) is simply a method of segmenting Layer 2 broadcast domains and has no direct relationship to reducing STP or multicast optimization

Memory Tip: Think VSS = "Very Smart Switch" - it merges two switches into one brain, making STP unnecessary because there's no longer a redundant loop to manage, while intelligently handling both unicast and multicast traffic.

No community discussion yet for this question.