What is the characteristic of 802.11g? ( ).
A. Uses Orthogonal Frequency-Division Multiplexing coding technique
B. Transmits at 5 GHz
Can achieve speeds as high as 140 megabits per second
D. Can transmit up to four streams of data
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Which one could be recognized as Wi-Fi hotspot in definition. ( )
A. Wireless network in home with personal username and password
B. Wire network which connect by CAT-6 cable.
Cellular network
D. Wireless network in public area
Which one is the element which is included in the unit of a wireless network ( ).
A. Router
B. Firewall
C. Browser
D. A port to connect to cable or DSL modem
Which one is not the method that could be used for keeping network private? ( )
A. WPA2
B. WEP
C. MAC address filtering
D. VHT
你在新岗位上工作多久了？
A. How often have you been in the new position?
B. How long have you been in the new position?
C. How much have you been in the new position?
D. How many have you been in the new position?
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