An engineer must gather requirements for an upcoming wireless design in a manufacturing facility. Which requirement causes concerns for the customer?

Question

Options

• Alossless roaming capability
• Bemail connectivity
• Chigh throughput multimedia applications
• Dintermittent web traffic

• A
  79% (22)
• B
  4% (1)
• C
  11% (3)
• D
  7% (2)

Explanation

Lossless roaming (seamless Layer 2 handoff with zero packet loss) is the most technically demanding and expensive requirement to satisfy. In a manufacturing environment, RF conditions are challenging due to metal machinery, shelving, forklifts, and industrial equipment that cause multipath interference and signal reflection. Achieving true lossless roaming requires 802.11r (Fast BSS Transition), careful AP placement with sufficient overlap, and a robust infrastructure - all of which add cost and complexity. The other options (email, web traffic, multimedia) are standard use cases that are straightforward to plan for. Lossless roaming for mobile devices (e.g., barcode scanners on forklifts) in a harsh RF environment is the requirement most likely to raise concern about feasibility, cost, and performance guarantees.

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