Which of these Layer 2 access designs does not support VLAN extensions?

Which of these Layer 2 access designs does not support VLAN extensions?

Which of these Layer 2 access designs does not support VLAN extensions?

A.
FlexLinks

B.
loop-free U

C.
looped square

D.
looped triangle

Explanation:

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netman

netman

“Layer 2 loop free: VLANs are not extended into the aggregation layer.”

Tiso, John (2011-10-31). Designing Cisco Network Service Architectures (ARCH) Foundation Learning Guide: (CCDP ARCH 642-874) (3rd Edition) (Foundation Learning Guides) (Kindle Location 5482). Pearson Education. Kindle Edition.

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