Câu 32: CWSP-205: Certified Wireless Security Professional (CWSP)

Given: ABC Corporations 802.11 WLAN is comprised of a redundant WLAN controller pair (N+1) and 30 access points implemented in 2004. ABC implementedWEP encryption with IPSec VPN technology to secure their wireless communication because it was the strongest security solution available at the time it was implemented. IT management has decided to upgrade the WLAN infrastructure and implement Voice over Wi-Fi and is concerned with security because mostVoice over Wi-Fi phones do not support IPSec. As the wireless network administrator, what new security solution would be best for protecting ABCs data?

1. A. Migrate corporate data clients to WPA-Enterprise and segment Voice over Wi-Fi phones by assigning them to a different frequency band.
2. B. Migrate corporate data and Voice over Wi-Fi devices to WPA2-Enterprise with fast secure roaming support, and segment Voice over Wi-Fi data on a separate VLAN. — đáp án hiện tại
3. C. Migrate to a multi-factor security solution to replace IPSec; use WEP with MAC filtering, SSID hiding, stateful packet inspection, and VLAN segmentation.
4. D. Migrate all 802.11 data devices to WPA-Personal, and implement a secure DHCP server to allocate addresses from a segmented subnet for the Voice over