COMPUTER NETWORKING

WIRELESS NETWORKS AND MOBILE IP

WIRELESS NETWORKS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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?
A
Ad hoc
B
Mesh
C
Star
D
Infrastructure
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.

There is 1 question to complete.