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- CWTS PW0-071
101.
An IEEE 802.11g access point requires a minimum of how many antennas to move data?
- A.One
- B.Two
- C.Four
- D.Six
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
| 802.11g access points require only one antenna to function. Systems that support antenna diversity will require two antennas to correctly operate. |
102.
802.11a access points support which antenna technology to help reduce the effects of
multipath?
- A.Adjustable gain
- B.Antenna diversity
- C.Adjustable polarization
- D.Antenna multiplexing
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
| 802.11a access points can use antenna diversity. Gain and polarization are considered RF concepts. |
103.
The following graphic shows what type of antenna?
- A.Omnidirectional
- B.Yagi
- C.Patch/panel
- D.Parabolic dish
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
| The image is an example of an omnidirectional antenna. This type of antenna provides a horizontal radiation pattern of 360°. |
104.
Which weather element would commonly have an effect on a wireless LAN system?
- A.Rain
- B.Snow
- C.Wind
- D.Hail
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| Of the answers listed, wind would have the biggest impact on a wireless LAN system. Rain, snow, and hail do not affect wireless transmission unless the weather is severe. In this case, the collection of the elements may have an impact on the wireless LAN signal transmitted or received. |
105.
Wireless network cables and devices have impedance (AC resistance) of _________
ohms.
- A.10
- B.25
- C.50
- D.75
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| Wireless LAN cables and devices are rated at 50 ohms impedance. Cable and satellite television is rated at 75 ohms. |
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