300-360 Question #90: Real Exam Question with Answer & Explanation

The correct answer is B: Vertically polarized. Vertical polarization is the standard for indoor wireless deployments because nearly all client devices - laptops, smartphones, tablets - use vertically oriented antennas. Polarization mismatch between AP and client causes signal loss (up to 20 dB), so matching polarization is es

Question

Which two basic characteristics would be needed from antennas used for survey and deployment in various indoor situations? (Choose two.)

Options

AHorizontally polarized
BVertically polarized
CAesthetically fitting
DLeast cost
EHighest gain
FLargest beamwidth

Explanation

Vertical polarization is the standard for indoor wireless deployments because nearly all client devices - laptops, smartphones, tablets - use vertically oriented antennas. Polarization mismatch between AP and client causes signal loss (up to 20 dB), so matching polarization is essential for reliable communication. Aesthetics are a practical deployment requirement: in offices, hospitals, retail spaces, and other indoor environments, building owners and facilities teams often require that antennas blend into the environment. An aesthetically unacceptable antenna may be rejected or repositioned in ways that degrade performance. Horizontal polarization does not match most client devices. Highest gain creates narrow beamwidths, which are poorly suited for omnidirectional indoor coverage. Largest beamwidth and least cost are not defined basic characteristics for survey and deployment standards - gain and beamwidth are chosen based on the specific coverage need, and cost is a business consideration, not a technical requirement.

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