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Computer Network Management
Wired Wireless Transmission Media
Q
In wireless communications, how are collisions made oblivious to its users?
AA. By hiding nodes in a network
BB. By increasing the signal strength
CC. By avoiding interference of unwanted signals
DD. By exposing the terminals in a network
Correct Answer:
A. A. By hiding nodes in a network
Explanation:
In wireless communications, there exists a hidden node problem. This occurs when a node or a station is visible to an Access Point but not to other stations communicating with the Access Point. The main reason behind this is that the stations are out of range of each other and thus collisions cannot be detected.
