Guys,
Hope you don't mind helping me with this.
1) What is the purpose for including a fade margin of 10 dB into the antenna
calculation utility?
a. To increase the distances achieved
b. There are no discernable differences by including a fade margin or not
c. To offset weather conditions such as rain or snow
d. None of the above
2) The range or coverage of an 802.11b Direct Sequence Wireless LAN
depends on: (Choose the best answer.)
a. Transmit Power and Antenna System
b. Radio Sensitivity and Processing Gain
c. Transmit Power, Radio Sensitivity, and Antenna System
d. A and B
3) A lightning arrestor is used in conjunction with the bridges to
facilitate the following:
a. Bleed off static charges to help prevent a direct lightning hit
b. To dissipate any energy from a near lightning strike
c. Neither A nor B
d. Both A and B
4) 802.11 Direct Sequence individual channels occupy how much of the
spectrum?
a. 11 MHz
b. 1 MHz
c. 22 MHz
d. 83.5 MHz
5) The most common occurrence of multipath interference comes from:
a. Point-to-point bridge link
b. Point-to-multipoint bridge link
c. In-building open air coverage
d. In-building cluttered environment
6) More data can be sent over the airwaves in one of two manners: More
frequency or...
a. using lower frequencies.
b. using more complex modulation.
c. using better filtering on the receiver.
d. None of the above
7) What is the minimum overlap in RF coverage that is needed to allow a
repeater to associate to a root AP?
a. 25%
b. 50%
c. 100%
d. There is no minimal coverage required
8) Antenna Diversity is useful because:
a. It helps to overcome multi-path distortion
b. Adding more coverage area by using directional Antenna
c. Looks nice
d. None of the above
9) Which of the follow statements are false?
a. The access point model AP342E2C is designed to support mobile users.
b. Two wireless bridges model BR342 could be used to connect a LAN to LAN.
c. Two access points model AP342E2C could be used to connect a LAN to LAN.
d. None of the above
10) For a BR342 to pass IP traffic properly from one LAN to another LAN
the following is true.
a. An IP address has to be set on both bridges.
b. The root bridges IP address has to be set as the gateway for all the
non-root bridges IP stack.
c. No IP address needs to be set in either bridge, it will pass all
traffic.
d. None of the above
11) The FCC requires the use of how many channels with a 2.4 GHz FHSS
system before repeating the pattern?
a. 79
b. 75
c. 70
d. 83
Those question are taken from certification net and I have no clue where to
get those info.
Thanks a lot.
Best wishes,
Ryan
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=1034&t=1034
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