Designing Cisco Network Service Architectures (ARCH, legacy) — Question 64

An engineer must ensure Layer 2 extension capabilities over any transport infrastructure. Which interconnective data center functionality satisfies this requirement?

Answer options

• A. Private line
• B. OTV
• C. VPLS
• D. EoMPLS

Correct answer: B

Explanation

The correct answer is OTV (Overlay Transport Virtualization) because it allows for Layer 2 extension over Layer 3 networks, making it suitable for data centers. Other options like Private line, VPLS, and EoMPLS have their own use cases but do not provide the same capability for Layer 2 extension as OTV does.