CWNP CWNA-109 Certified Wireless Network Administrator Exam Exam Practice Test Questions

• Question 1

  What is appended to the end of each 802.11 data frame after the payload?

  • Preamble
  • MAC header
  • PHY header
  • FCS

  Show Answer Answer: D Next

• Question 2

  What statement is true concerning the use of Orthogonal Frequency Division Multiplexing (OFDM) modulation method in IEEE 802.11 WLANs?

  • OFDM implements BPSK modulation to allow for data rates up to 7 Gbps.
  • OFDM was first introduced in 802.11a and is used by the ERP, HT and VHT PHYs as well.
  • OFDM modulation is used only in 5 GHz 802.11 transmissions.
  • OFDM was used by Frequency Hopping Spread Spectrum (FHSS) PHY devices.

  Show Answer Answer: B Next

• Question 3

  When implementing PoE, what role is played by a switch?

  • PSE
  • Midspan injector
  • PD
  • Power splitter

  Show Answer Answer: A Next

• Question 4

  Your consulting firm has recently been hired to complete a site survey for a company desiring an indoor coverage WI-AN. Your engineers use predictive design software for the task, but the company insists on a pre-design site visit.What task should be performed as part of the pre-design visit to prepare for a predictive design?

  • Install at least one AP on each side of the exterior walls to test for co-channel interference through these walls
  • Collect information about the company's security requirements and the current configuration of their RADIUS and user database servers
  • Test several antenna types connected to the intended APS for use in the eventual deployment
  • Evaluate the building materials at the facility and confirm that the floor plan documents are consistent with the actual building

  Show Answer Answer: D Next

• Question 5

  In a mesh BSS (MBSS), according to the 802.11 standard, what device connect the mesh to an Ethernet network?

  • Mesh Gate
  • Mesh Switch
  • Mesh Router
  • Mesh Portal

  Show Answer Answer: D Next