WIRELESS NETWORKS AND MOBILE IP
WIRELESS NETWORKS
Question
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A student has completed his part of a group research paper, and needs to share it with a classmate. He sees the classmate as they’re crossing the parking lot between classes. Which WLAN architecture could they use to transfer the file from one laptop to the other?
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Ad hoc
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Mesh
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Star
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Infrastructure
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Explanation:
Detailed explanation-1: -When a wireless signal encounters a large obstacle, what happens to the signal? The signal may pass through the object or be absorbed by the object, or it may be subject to the following phenomena: reflection, diffraction, or scattering.
Detailed explanation-2: -Class 1: maximum output power 100 mW (20 dBm). Used for extended range up to about 100 m; Class 2: maximum output power 2, 5 mW (4 dBm). Normal usage, range up to about 10 m; Class 3: maximum output power 1 mW (0 dBm). Short range communications from 10 cm up to 1 m.
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