Which two wireless technologies can interfere with 802.11 networks? (Choose two.)
A. DECT
B. ZigBee
C. WiMax
D. GSM
Answer:A
Which two wireless technologies can interfere with 802.11 networks? (Choose two.)
A. DECT B. ZigBee C. WiMax D. GSM
Explanation: Digital Enhanced Cordless Telecommunication (DECT), also known as cordless telephones, and Zigbee are both well-known sources of interferences within an 802.11 network.