350-401 · Question #1066
350-401 Question #1066: Real Exam Question with Answer & Explanation
The correct answer is C: SD-WAN. SD-WAN provides an overlay fabric that connects remote locations over commodity data paths, improving network performance, boosting security, and reducing costs.
Question
Which technology provides an overlay fabric to connect remote locations utilizing commodity data paths and improves network performance, boosts security, and reduces costs?
Options
- AInfiniBand
- BVTEP
- CSD-WAN
- DVXLAN
Explanation
SD-WAN provides an overlay fabric that connects remote locations over commodity data paths, improving network performance, boosting security, and reducing costs.
Common mistakes.
- A. InfiniBand is a high-bandwidth, low-latency communication technology primarily used in high-performance computing and data center server clusters, not for connecting remote WAN locations.
- B. VTEP (VXLAN Tunnel Endpoint) is a specific component within a VXLAN overlay network responsible for VXLAN encapsulation and de-encapsulation, mainly used within data centers, not the overarching solution for global remote connectivity.
- D. VXLAN (Virtual Extensible LAN) is an encapsulation protocol that extends Layer 2 domains over Layer 3 networks, primarily used in data centers, and is a foundational technology rather than the complete solution for WAN optimization and security as described.
Concept tested. SD-WAN purpose and benefits
Reference. https://www.cisco.com/c/en/us/solutions/enterprise-networks/sd-wan/what-is-sd-wan.html
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