Designing Cisco Network Service Architectures (ARCH, legacy) — Question 83

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

Answer options

• A. FlexLinks
• B. loop-free U
• C. looped square
• D. looped triangle
• E. loop-free inverted U

Correct answer: B

Explanation

The correct answer is B, loop-free U, as it is a design that does not facilitate VLAN extensions due to its structure. The other options, such as FlexLinks, looped square, looped triangle, and loop-free inverted U, allow for VLAN extension support through their configurations.