Download Certified Wireless Network Administrator.CWNA-107.PracticeTest.2019-04-02.67q.vcex

Vendor: CWNP
Exam Code: CWNA-107
Exam Name: Certified Wireless Network Administrator
Date: Apr 02, 2019
File Size: 39 KB

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Demo Questions

Question 1
An RF signal sometimes bends as it passes through some material other than free space. What is the term that describes this behavior?
  1. Reflection
  2. Refraction
  3. Scattering
  4. Warping
Correct answer: B
Question 2
A WLAN transmitter that emits a 50 mW signal is connected to a cable with 3 dB loss. If the cable is connected to an antenna with 9dBi gain, what is the EIRP at the antenna element? 
  1. 23 dBm
  2. 26 dBm
  3. 13 dBm
  4. 10 dBm
Correct answer: A
Question 3
What wireless networking term describes the increase of RF energy in an intentional direction with the use of an antenna?
  1. Directed Radiation
  2. Active Amplification
  3. Passive Gain
  4. Beam Digression
Correct answer: C
Question 4
Which directional antenna types are commonly used by indoor Wi-Fi devices in a MIMO multiple spatial stream implementation?
  1. Dish and grid
  2. Dipole and yagi
  3. Grid and sector
  4. Patch and panel
Correct answer: D
Question 5
What statement about the beamwidth of an RF antenna is true?
  1. Horizontal and vertical beamwidth are calculated at the point where the main lobe decreases power by 3 dB.
  2. Vertical beamwidth is displayed (in degrees) on the antenna’s Azimuth chart. 
  3. When antenna gain is lower, the beamwidth is also lower in both the horizontal and vertical dimensions.
  4. The beamwidth patterns on an antenna polar chart indicate the point at which the RF signal stops propagating.
Correct answer: A
Question 6
Which one of the following is not a factor considered when calculating the Link Budget for an outdoor point-to-point WLAN bridge link?
  1. MU-MIMO capabilities of the bridges
  2. Receive antenna gain
  3. Transmit power
  4. Operating frequency
Correct answer: A
Question 7
You are implementing a VHT-capable AP. Which one of the following channels is available in the 802.11-2016 standard that was not available before the ratification of 802.11 ac?
  1. 153
  2. 161
  3. 144
  4. 56
Correct answer: C
Question 8
What ID is typically mapped to an AP’s MAC address if a single BSS is implemented?
  1. VLAN ID
  2. BSSID
  3. Device ID
  4. SSID
Correct answer: B
Question 9
When a client station sends a broadcast probe request frame with a wildcard SSID, how do APs respond?
  1. For each probe request frame, only one AP may reply with a probe response.
  2. Each AP responds in turn after preparing a probe response and winning contention.
  3. Each AP checks with the DHCP server to see if it can respond and then acts accordingly.
  4. After waiting a SIFS, all APs reply at the same time with a probe response.
Correct answer: B
Question 10
You are reconfiguring an AP to use the short guard interval. How long will the new guard interval duration be after the change?
  1. 400 ns
  2. 10 ms
  3. 800 ns
  4. 104 ms 
Correct answer: A

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