CWNA-106 Certified Wireless Network Administrator Exam Set 1

The IEEE 802.11-2012 standard requires that the VHT devices to be backwards compatible with equipment made by other 802.11 physical layer specification (PHY)?


Options are :

  • ERP PBCC
  • OFDM
  • HR / DSSS
  • DSSS
  • None

Answer :OFDM

PW0-105 Certified Wireless Network Administrator Exam Set 2

What are the SSID statement is true?


Options are :

  • None
  • SSID is the security the session identifier is used RSNs.
  • SSID is included in the association request frame
  • SSID is an alphanumeric value defined in the IEEE devicemanufacturers.
  • SSID is a pseudo-random number for each AP.

Answer :SSID is a pseudo-random number for each AP.

When a client moves to a new BSS within the ESS, which step is part of the 802.11 reassociation?


Options are :

  • None
  • The current access point triggers uudelleenliittymisvirhe customer service.
  • The new base station sends a Reassociation changes to the client station with a state value.
  • The current base station to notify the IP gateway is the reassociation.
  • The customer station transmits Reassociation Request a framework for its current access point

Answer :The new base station sends a Reassociation changes to the client station with a state value.

Which parameter in the client driver must be configured to optimize your Windows computer moving from one AP to each other ESS?


Options are :

  • SSID selection
  • None
  • the band preference mode
  • roaming threshold
  • ESSID selection

Answer :roaming threshold

CWNA-106 Certified Wireless Network Administrator Exam Set 2

Two co-located 802.11b / g / n AP may interfere with each other and cause contention and collisions, even though the two APs are operating in a non-overlapping channels (e.g., one and six.) .What the introduction of an error can cause this problem?


Options are :

  • Reflective objects result in significant multipath area.
  • Base stations are installed too close to each other.
  • None
  • The customer station is in an active scanning probe base stations on multiple channels.
  • The base stations are not synchronized with the same NTP.

Answer :Base stations are installed too close to each other.

What answer correctly completes the following sentence? ____________ and the physical carrier sense functions are used to determine whether a wireless medium is busy.


Options are :

  • Passive
  • virtual
  • Back up
  • active
  • None

Answer :virtual

What factors have the most significant effect on the amount of wireless bandwidth to each station within the BSS?


Options are :

  • The presence of the co-located (10m away) base stations in non-overlapping channels
  • Power management settings of the base station lighthouses
  • The number of client stations associated with BSS
  • The layer 3 protocol in which each station transmits data to a wireless link
  • None

Answer :The number of client stations associated with BSS

PW0-105 Certified Wireless Network Administrator Exam Set 2

What statement accurately describes the RF cables and connectors used in the 802.11 WLAN system?


Options are :

  • None
  • 75 and 125 ohms impedance of typical 802.11 WLAN terminals.
  • The large diameter of the RF cable to cause a greater loss than the small diameter cables.
  • The two RF connectors of the same type (e.g. SMA), manufactured by different companies, can vary depending on requirements.
  • Some of the RF connectorsdo does not cause insertion loss.

Answer :The two RF connectors of the same type (e.g. SMA), manufactured by different companies, can vary depending on requirements.

Select the WLAN antennas operating in the 5 GHz frequency band. What requirements should be assessed on the antenna before it is implemented in this wireless LAN system?


Options are :

  • impedance ohms
  • None
  • Return Loss Rating
  • 802.11ad compatibility
  • TPC support

Answer :impedance ohms

What's the problem may exist multi-channel architecture (MCA) when the WLAN AP to all operating at full speed (typically 100 mW)?


Options are :

  • None
  • The cell size may be too large, causing co-channel interference to adjacent cells and reducing the system capacity.
  • between incompatible power WLAN client stations and base stations violates the IEEE regulatory and signal quality standards.
  • WLAN client stations to experience piiloasemaongelma when close to each other in the same cell.
  • The base stations operate in the 2.4 GHz frequency band, would prevent microwave ovens, and analog video cameras working.

Answer :WLAN client stations to experience piiloasemaongelma when close to each other in the same cell.

PW0-105 Certified Wireless Network Administrator Exam Set 1

What feature introduced in 802.11h amendment to ensure regulatory requirements for 5 GHz operation.


Options are :

  • Transmitter Power Control (TPC)
  • None
  • 256-QAM
  • The distributed coordination function (DCF)
  • Radio Resource Management (RRM)

Answer :Transmitter Power Control (TPC)

Which of the following channels can be used for VHT broadcasts?


Options are :

  • None
  • 48
  • 1
  • 11
  • 6

Answer :1

What is a channel mode specified by 802.11n (high) PHY?


Options are :

  • None
  • 22 MHz
  • 20/40 MHz
  • 80 MHz
  • frequency hopping

Answer :20/40 MHz

PW0-104 Wireless LAN Administration Practice Exam Set 5

What's the reason hidden nodes BSS would be likely to lead to an increase collisions and retries?


Options are :

  • Large 802.11 cells in the physical drives
  • Customer Channels too much power
  • Data frames too large for the physical environment
  • Access points broadcasting too little power
  • None

Answer :Large 802.11 cells in the physical drives

In 802.11n 2.4 GHz BSS, each station which prevents use of the entire network bandwidth to the user data throughput when multiple clients actively exchange data :? AP (e.g., 130 Mbps).


Options are :

  • None
  • WLAN devices can detect collisions and must have a positive acknowledgment frame.
  • The base stations are not sufficient to connect to a wired LAN speeds, up to 1 Gbps connections and 802.11n base stations in the past.
  • Half the bandwidth is allocated for uplink traffic and the downlink traffic half.
  • The radio receiver hardware can process the data as fast as it can be sent.

Answer :WLAN devices can detect collisions and must have a positive acknowledgment frame.

Where one of the following frequency bands is not defined for use in the IEEE 802.11 radios and + 802.11 to 2012?


Options are :

  • 5.15-5.25 GHz
  • None
  • 2.4000 to 2.4835 MHz
  • 5.725 to 5.874 GHz
  • 600-630 MHz

Answer :600-630 MHz

PW0-270 Certified Wireless Analysis Professional (CWAP) Exam Set 6

ABC Company has thousands of WiFi users access to the network on a daily basis. Their WLAN consists of 700 base stations, 6 of WLAN controllers, network management and wireless network operations performed system.What enterprise-class WNMS?


Options are :

  • Radio management, fast roaming key caching, and other centralized control plane activity
  • Manager configuration and firmware updates WLAN controller
  • Is generated to encrypt and decrypt 802.11 frames and collect the RF radio data.
  • Centralized data traffic as a bridge between the guest and application firewall and QoS information

Answer :Manager configuration and firmware updates WLAN controller

What kind of refers to the part of the 802.11-2012 quality standards and to recommend a robust WLAN Client Security?


Options are :

  • SSID hiding
  • WEP
  • 802.1X / EAP
  • IPSec VPN
  • None

Answer :802.1X / EAP

ABC company has just purchased a 6 dBi antenna. After running some tests with 6 dBi antenna, they have concluded that more antenna gain is necessary to cover the outer courtyard. By choosing the antenna has higher gain, what other characteristics of the antenna is also always change?


Options are :

  • Fresnel Zone size
  • Maximum input power
  • impedance
  • beamwidth
  • None

Answer :beamwidth

PW0-104 Wireless LAN Administration Practice Exam Set 2

What factors affect the distance that the RF signal can be received effectively? (Select 3)


Options are :

  • The reception sensitivity of the radio station
  • Broadcast station power supply
  • Free space path loss
  • The MAC layer encryption
  • Sending station output power

Answer :The reception sensitivity of the radio station Free space path loss Sending station output power

What term describes the effect of increasing the intensity of the RF antenna at the concentration of energy in a certain direction?


Options are :

  • active Confirmation
  • passive Gain
  • beam packaging
  • decentralized Radiation
  • None

Answer :passive Gain

IEEE 802.11-2012 VHT standard requires devices to be backwards compatible with devices made by other technical information 802.11 physical layer (PHY)? (Select 2)


Options are :

  • OFDM
  • HR / DSSS
  • HT
  • ERP PBCC

Answer :OFDM HT

PW0-105 Certified Wireless Network Administrator Exam Set 4

802.11 WLAN transmitter that transmits a signal at 50 mW is connected to a cable which has a 3 dB loss.The cable is connected to the antenna 16 dBi and gain.What EIRP is the power?


Options are :

  • 2 mW
  • None
  • 1000 mW
  • 250 mW
  • 500 mW

Answer :1000 mW

What can cause excessive VSWR (voltage standing wave ratio) WLAN RF transmission line?


Options are :

  • None
  • Attenuation of the RF signal as it travels along the main signal path
  • Reflected direct current (DC) voltage of the main RF signal line
  • Impedance mismatch inthe RF cables and connectors
  • Crosstalk (inductance) between adjacent conductors of the RF

Answer :Impedance mismatch inthe RF cables and connectors

WLAN transmitter, which transmits the 200 mW signal is coupled to the cable, which is 3 dB loss.If cable is connected to the antenna 10 dBi gain, which is the EIRP antenna element?


Options are :

  • 13 dBm
  • 26 dBm
  • 30 dBm
  • 10 dBm
  • 20 dBm

Answer :30 dBm

PW0-104 Wireless LAN Administration Certified Practice Exam Set 1

The RF wave propagates in space, the wavefront encounters a natural expansion, which reduces the signal intensity in the area. What term describes the rate at which this expansion is happening?


Options are :

  • The inverse square law
  • MU-MIMO
  • Fresnel thinning
  • None
  • ohm's law

Answer :The inverse square law

Select the WLAN antennas operating in the 5 GHz frequency band. What requirements should be assessed on the antenna before it is implemented in this wireless LAN system? (Select 3)


Options are :

  • Elevation beamwidth
  • 802.11ad compatibility
  • impedance ohms
  • TPC support
  • Operating frequencies

Answer :Elevation beamwidth impedance ohms Operating frequencies

AP-1 is a 3x3 two AP. STA-3 is an 3x3: 3 client. What is the maximum number of spatial streams that can be used for downlink HT-OFDM transmission AP-1 STA-3?


Options are :

  • Three spatial streams, as defined in the AP indicates that it is able to only three spatial streams.
  • Three spatial streams, because the definition of the customer to prove that it is able to only three spatial streams.
  • None
  • The two spatial streams, as defined in the AP indicates that it is capable of only two spatial streams.
  • One of the spatial stream, as defined in the AP indicates that it is capable of only one spatial stream.

Answer :The two spatial streams, as defined in the AP indicates that it is capable of only two spatial streams.

CWNA-106 Certified Wireless Network Administrator Exam Set 5

When long-distance RF link, the fade margin statement is true?


Options are :

  • Fade margin is a measurement of the loss of signal in free space, and has a function of distance and frequency.
  • A fade margin is the unnecessary long-distance RF link, if more than 80% of the first Fresnelzone there are obstacles.
  • Fade margin long-range radio connection should be as Receiver s antenna gain.
  • None
  • Fade Margin is an additional signal strength of the platform is designed into the system to compensate for theRF unpredictable signal fading.

Answer :Fade Margin is an additional signal strength of the platform is designed into the system to compensate for theRF unpredictable signal fading.

What does the phrase correctly complete the following sentence? When WMM Power Save operation, a wireless client device ______________.


Options are :

  • None
  • Buffers frames in the low power until the AP AP wakes up the radio and tracking begins again
  • Experiencing higher throughput and latency than when operating in Active mode
  • Enters the low power radio WMM until it receives the PS-Poll frame AP
  • Alternately awake and dozing, depending on its need to send and receive data

Answer :Alternately awake and dozing, depending on its need to send and receive data

Comment / Suggestion Section
Point our Mistakes and Post Your Suggestions