多项选择题
Which two devices can interfere with the operation of a wireless network because they operate on similar frequencies?（）
A.copier
B.microwave oven
C.toaster
D.cordless phone
E.IP phone
F.AM radio
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相关考题
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多项选择题
A single 802.11g access point has been configured and installed in the center of a square office. A few wireless users are experiencing slow performance and drops while most users are operating at peak efficiency. What are three likely causes of this problem?（）
A. mismatched TKIP encryption
B. null SSID
C. cordless phones
D. mismatched SSID
E. metal file cabinets
F. antenna type or direction -
多项选择题
What are two security appliances that can be installed in a network?（）
A.ATM
B.IDS
C.IOS
D.IOX
E.IPS
F.SDM -
多项选择题
Which of the following describes the roles of devices in a WAN?（）
A. A CSU/DSU terminates a digital local loop.
B. A modem terminates a digital local loop.
C. A CSU/DSU terminates an analog local loop.
D. A modem terminates an analog local loop.
E. A router is commonly considered a DTE device.
F. A router is commonly considered a DCE device.
