Which of the following would BEST secure the wireless n

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An organization is planning to replace its wired networks with wireless networks. Which of the
following would BEST secure the wireless network from unauthorized access?

A.
Implement Wired Equivalent Privacy (WEP)

B.
Permit access to only authorized Media Access Control (MAC) addresses

C.
Disable open broadcast of service set identifiers (SSID)

D.
Implement Wi-Fi Protected Access (WPA) 2

Explanation:
Wi-Fi Protected Access (WPA) 2 implements most of the requirements of the IEEE 802.11i
standard. The Advanced Encryption Standard (AESJ used in WPA2 provides better security. Also,
WPA2 supports both the Extensible Authentication Protocol and the preshared secret key
authentication model. Implementing Wired Equivalent Privacy (WEP) is incorrect since it can be
cracked within minutes. WEP uses a static key which has to be communicated to all authorized
users, thus management is difficult. Also, there is a greater vulnerability if the static key is not
changed at regular intervals. The practice of allowing access based on Media Access Control (MAC)
is not a solution since MAC addresses can be spoofed by attackers to gain access to the network.
Disabling open broadcast of service set identifiers (SSID) is not the correct answer as they cannot
handle access control.

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