Questão de Redes sem Fio

According to the information presented, what is the responsibility of the security sublayer in wireless networks?

A
To determine the quantity and location of access points that guarantee sufficient signal coverage for a given installation or area of a locality.
B
To perform measurements on wireless networks to detect possibilities of invasion, as it is an extreme wireless security tool.
C
To assist in planning a network that needs correction after its installation, aiming at its minimally sufficient performance.
D
To reduce the coverage or performance of a wireless network when the need for such a procedure arises, always thinking about cost savings.
E
To provide security for transmissions between client stations and the base station through the use of key management protocols and authentication methods based on digital certificates and encryption.

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