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N10-009 · Question #171

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…

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.

Submitted by yaw92· Mar 6, 2026Network Implementations

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

How the community answered

(59 responses)
  • A
    86% (51)
  • B
    7% (4)
  • C
    2% (1)
  • D
    5% (3)

Why each option

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.

ASite survey resultsCorrect

Site survey results contain detailed information about the physical environment, including RF interference, signal strength, existing wireless coverage, building materials, and potential obstructions. This data is critical for evaluating the viability and expected performance of a 5GHz point-to-point wireless connection compared to a wired Ethernet uplink, directly influencing the decision on which technology will provide the most reliable and efficient link.

BPhysical diagram

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.

CService-level agreement

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.

DLogical diagram

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

Source: https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-5/config-guide/b_cg85/b_cg85_chapter_0100100.html

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