CWNP CWDP-302 Online Practice Questions and Exam Preparation

CWNP CWDP-302 Online Questions & Answers

• Question 11:

  You are site surveying a network for VoWiFi. You have positioned an AP for a manual survey and are moving away from the AP with a phone in Survey Mode in your hand and you are reading the RSSI value of the signal received from the AP. You have previously determined that the noise floor was approximately -94 dBm on this floor of the building. The phone's documentation does not specify a recommended RSSI orSNR value for best performance.

  Based on the information provided and the type of device (VoWiFi phone) you are deploying, what minimum RSSI should you plan for in all areas you are monitoring and where VoWiFi service is desired?

  A. -75 dBm
  B. -72 dBm
  C. -67 dBm
  D. -62 dBm
  C. -67 dBm

• Question 12:

  In a PC-based spectrum analyzer, what data chart identifies the overall RF utilization of a specific frequency in the environment being surveyed?

  A. FFT Max Hold
  B. FFT Average
  C. Swept Spectrogram
  D. Duty cycle
  D. Duty cycle

• Question 13:

  What commonly causes a client-to-AP link imbalance?

  A. The client's antenna gain is lower than the AP's antenna gain
  B. The client's transmit power is significantly lower than the AP's transmit power
  C. The AP's transmit power is significantly lower than the client's transmit power
  D. The AP's antenna gain is lower than the client's antenna gain
  B. The client's transmit power is significantly lower than the AP's transmit power

• Question 14:

  What is the meaning of a Real Time FFT graph?

  A. Real Time FFT means Real Time First Fundamental Trace and shows the value of the first signal detected on each frequency at each sweep interval.
  B. Real Time FFT means Real Time Fast Frequency Timing and shows the RF pulses measured by the Layer 1 sweep tool.
  C. Real Time FFT means Real Time Fast Fourier Transform and shows the max value of the signal detected on each frequency in real time.
  D. Real Time FFT means Real Time Frequency Fundamental Texture and shows the value of the noise background generated by the card usedto perform the Layer 1 sweep.
  C. Real Time FFT means Real Time Fast Fourier Transform and shows the max value of the signal detected on each frequency in real time.

• Question 15:

  ABC Company has a WLAN controller with 10 controller-based APs; the Voice SSID is configured for centralized data forwarding. Each AP is connected to an access port on a layer-2 Ethernet switch.Each layer-2 switch is uplinked to a single layer-3 core Ethernet switch.The WLAN controller is connected directly to thelayer-3 core Ethernet switch.Layer- 3 tunnels are created between all controller-based APs and the WLAN controller.A voice server is connected to the layer3Ethernet switch.

  When a voice-enabled QoS STA sends an IP data packet to a voice server in this scenario, the DSCP value carried in the STA's IP data packet gets mapped to what and by which device?

  A. The DSCP value is mapped to an IEEE 802.1Q priority tag value by the WLAN controller.
  B. The DSCP value is mapped to the DSCP value in the encapsulating IP header by the layer-3 switch.
  C. The DSCP value is mapped to an IEEE 802.1p (802.1D-2004) UP value by the access point.
  D. The DSCP value is mapped to an IEEE 802.1Q VLAN tag by the access point.
  A. The DSCP value is mapped to an IEEE 802.1Q priority tag value by the WLAN controller.

• Question 16:

  What is the purpose of Friis transmission equation [ (LdB) = 20 log(d) + 20 log (f) - 27.55 ]?

  A. Calculate earth bulge to determine minimum antenna height
  B. Calculate receive sensitivity for an 802.11 radio/antenna pair
  C. Calculate RF path loss in free space
  D. Calculate the loss experienced between the intentional radiator and antenna
  C. Calculate RF path loss in free space

• Question 17:

  What is the purpose of DHCP Option 43, and how is it used with WLANs?

  A. It provides clients with a temporary IP address on a restricted VLAN until 802.1X authentication is completed. Then the client receives its long-term IP address.
  B. It provides IP address bindings for specific network nodes that require long-term IP address assignments. WLAN controllers are configured to use Option 43 to receive long- term IP address leases that are centrally managed with DHCP.
  C. It supports vendor-specific IP address attributes for node discovery purposes. APs use Option 43 with vendor class identifiers to obtain the IP address of a centralized WLAN controller.
  D. It integrates a DHCP server with AAA servers and user databases to dynamically assign IP addresses to client devices. During 802.1X, the AAA server uses Option 43 to notify the DHCP server what IP pool the client'saddress should be drawn from.
  C. It supports vendor-specific IP address attributes for node discovery purposes. APs use Option 43 with vendor class identifiers to obtain the IP address of a centralized WLAN controller.

• Question 18:

  What basic RF math formula should be used as a baseline to convert an RF value in units of dBm into a value of mW? *Note:"dBm" in the formulas represents the known dBm value

  A. 0 dBm = 1 mW
  B. 0 dBm = 2 mW
  C. 0 dBm = 3 mW
  D. 0 dBm = 4 mW
  A. 0 dBm = 1 mW

• Question 19:

  As an implementation engineer, you have just received initial design specs from a network designer for your dual-band 802.11n deployment. The network design documents prescribe the following data rate configuration for the 2.4 GHz radio:

  Basic Rates -- 5.5, 6, 11, 12 Mbps

  Supported Rates --9, 18, 24, 36, 48, and 54 Mbps as well as MCS 0-15

  What will result from this design strategy?

  A. By disabling support for 1 and 2 Mbps while allowing 5.5 and 11 Mbps, the network will force 802.11b clients to use these higher data rates.
  B. Protection mechanisms will always be in use on this network to support 5.5 and 11 Mbps as basic rates.
  C. HR/DSSS (802.11b) stations will not be able to associate to the service set.
  D. This configuration violates the IEEE specification that defines 6, 12, and 24 Mbps as mandatory data rates for 802.11g/n.
  C. HR/DSSS (802.11b) stations will not be able to associate to the service set.

• Question 20:

  When live video streaming solutions that transmit simultaneously to more than one recipient are used, what special capability should be considered and configured in all affected WLAN implementations?

  A. IPSec
  B. IPv6
  C. Multicasting
  D. Secure TCP
  C. Multicasting