N10-009 · Question #171
N10-009 Question #171: Real Exam Question with Answer & Explanation
The correct answer is A: Site survey results. A site survey provides crucial environmental data, such as RF interference, building materials, and physical obstructions, which is essential for determining the feasibility and performance of a 5GHz point-to-point wireless link versus a wired Ethernet connection.
Question
A network consultant needs to decide between running an ethernet uplink or using the built-in 5GHz-to-point functionality on a WAP. Which of the following documents provides the best information to assist the consultant with this decision?
Options
- ASite survey results
- BPhysical diagram
- CService-level agreement
- DLogical diagram
Explanation
A site survey provides crucial environmental data, such as RF interference, building materials, and physical obstructions, which is essential for determining the feasibility and performance of a 5GHz point-to-point wireless link versus a wired Ethernet connection.
Common mistakes.
- B. A physical diagram shows the physical layout of devices and cabling but does not provide the environmental RF data needed to assess wireless link performance.
- C. A service-level agreement (SLA) defines performance metrics and responsibilities but does not provide technical data to inform the design decision between wired and wireless uplinks.
- D. A logical diagram illustrates the network's logical topology (IP addressing, routing) but lacks the physical and RF environmental details relevant to this decision.
Concept tested. Wireless network design and site survey importance
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