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    [New AmazonExam Dumps] Recently Published Exam PW0-104 Certified Wireless Network Administrator (CWNA) Exam VCE and PDF Dumps For Free Share

    By admin | September 29, 2015

    Tagged with:

    New Updated  PW0-104 Exam Questions from AmazonExam PW0-104 pdf dumps! Welcome to download the newest AmazonExam dumps:PW0-104 http://www.amazonexam.com/PW0-104.html

    QUESTION 1
    Given: A 802.11 WLAN transmitter that emits an 80 mW signal is connected to a cable with 3 dB
    loss.
    The cable is connected to an antenna with a 16 dBi gain.
    What is the resultant antenna power output (EIRP)?
    A. 160 mW
    B. 320 mW
    C. 800 mW
    D. 1200 mW
    E. 1600 mW
    Answer: E
    QUESTION 2
    What factors are required to establish a high quality 2.4 GHz point-to-point RF link at a distance
    of miles (5 kilometers)?
    A. Accurate Link Budget calculations
    B. Accurate Earth Bulge calculations
    C. System Operating Margin (SOM) of at least 20 dB
    D. A minimum antenna gain of 13 dBi
    E. A Fresnel Zone that is at least 60% clear of obstructions
    Answer: AE
    QUESTION 3
    What phrase defines Equivalent Isotropically Radiated Power (EIRP)?
    A. Transmitter output power plus attached cable and connector loss
    B. Transmitter output power only
    C. Power supplied to the antenna plus antenna gain
    D. Reflected power due to an impedance mismatch in the signal path
    E. Power supplied to an RF antenna
    Answer: C
    QUESTION 4
    What term describes the effect of increasing the intensity of an RF wave when the RF antenna
    lobe is focused in a desired direction?
    A. Directional Extension
    B. Active Amplification
    C. Beam Compression
    D. Passive Gain
    E. Phased Propagation
    Answer: D

    QUESTION 5
    Which antenna types can be used in a scenario where simple receive diversity is required?
    A. Omni-directional
    B. Patch
    C. Yagi
    D. Grid
    E. MIMO Sector
    F. Sector Array
    Answer: AB
    QUESTION 6
    While working on a presentation document in a conference room equipped with a wireless
    network, you notice that, as you turn your laptop in different directions, your wireless signal
    strength changes. What statement describes the RF signal property that is primarily responsible
    for this change in signal strength?
    A. The RF signal’s amplitude is changing due to a change in the visual line-of-sight.
    B. The RF signal’s wavelength is being affected by varying antenna gain.
    C. The RF signal’s multipath is changing the amount of RF absorbed by nearby objects.
    D. The RF signal’s phase is oscillating due to electromagnetic interference (EMI).
    E. The RF signal’s polarization is different than the receiving antennA.
    Answer: E
    QUESTION 7
    What antenna characteristic decreases as the gain of the antenna is increased?
    A. Beamwidth
    B. Range
    C. Dissipated heat
    D. Polarization radius
    E. Fresnel Zone
    Answer: A
    QUESTION 8
    What characteristics determine the diameter of the first Fresnel Zone for a 802.11 WLAN link?
    A. Antenna beamwidths
    B. Size of the antenna elements
    C. Distance between the antennas
    D. Frequency of the transmission
    E. Transmission power
    F. Antenna gain
    Answer: CD

    QUESTION 9
    What statements about the beamwidth of an RF antenna are true?
    A. The lower the gain of an antenna, the more narrow one or both beamwidths become.
    B. The RF signal stops propagating at the beamwidth borders.
    C. Beamwidth is calculated by the -3 dB points from the center axis, both horizontally and vertically.
    D. Horizontal beamwidth is displayed (in degrees) on the antenna Azimuth Chart.
    E. Beamwidth is calculated using the length of the antenna element.
    Answer: CD
    QUESTION 10
    What antenna technologies are used to help overcome null areas of RF coverage due to
    multipath?
    A. Simple Diversity
    B. Phase Dispersion
    C. Circular Polarization
    D. Beam Linearization
    E. Transmit Beamforming
    F. Spectral Clarification
    Answer: AE
    QUESTION 11
    ABC Company has just purchased a 6 dBi patch antennA. After performing some tests with the 6
    dBi antenna, they have concluded that more antenna gain is needed to cover their long hallway.
    When choosing an antenna with higher gain, what other antenna characteristic will also change?
    A. Fresnel Zone size
    B. Maximum input power
    C. Beamwidths
    D. Return Loss
    E. VSWR Ratio
    Answer: C
    QUESTION 12
    Given: XYZ Company is constructing a building-to-building ERP-OFDM bridge link using patch
    antennas. The buildings are 4 blocks apart in the middle of a large city. XYZ Company is using
    the rooftop of each building for antenna placement. There are several buildings closely spaced
    between the two locations, but there is a narrow visual line-of-sight. The link does not work as
    XYZ Company had hoped.
    What would you do to rectify this problem at the lowest possible cost?
    A. Change the antennas to high gain parabolic dish or grid antennas with a narrow beamwidth.

    This will
    sufficiently shrink the Fresnel Zone to an area where other buildings are not impeding.
    B. Decrease the output power to the minimum allowed by the link budget calculation. This will
    minimize the size of the Fresnel Zone and increase the quality of the wireless link.
    C. Use a vertically-polarized antenna on one building and a horizontally-polarized antenna on the
    other to decrease the size of the Fresnel Zone. Cross-polarization will shrink the Fresnel Zone
    size while allowing the output power to remain the same.
    D. On top of each building, place a mast or tower that is tall enough to completely clear the Fresnel
    Zone of obstructions between the two antennas.
    Answer: D
    QUESTION 13

    image

    The exhibit illustrates the azimuth and elevation for what type of antenna?
    A. Indoor omni-directional
    B. Outdoor 20 degree vertical yagi
    C. Outdoor 120 degree horizontal sector
    D. Indoor 60 degree horizontal patch
    E. Outdoor 10 degree vertical grid
    Answer: C
    QUESTION 14
    What are some common specifications for 802.11 WLAN antennas?
    A. Spectral Resilience
    B. Operating Temperature
    C. Impedance in Ohms
    D. Azimuth Beamwidth
    E. Return Loss Rating

    F. Maximum Input Power
    Answer: BCDF
    QUESTION 15
    What is the most common mount type for connecting a WLAN antenna to an outdoor mast
    (pole)?
    A. Suction cups with threaded posts
    B. Perforated radome enclosure
    C. Magnetic mount with bulkhead adapter
    D. U-bolt with base clamp
    E. Tilt-n-swivel universal mount with ratchet adjustment
    Answer: D

    New Updated  PW0-104 Exam Questions from AmazonExam PW0-104 pdf dumps! Welcome to download the newest AmazonExam dumps:PW0-104 http://www.amazonexam.com/PW0-104.html

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