Certified Wireless Network Administrator CWNA-109 Exam Dumps

1. You are onsite with a client to perform a post-deployment site survey. When verifying a multiple channel VoWiFi deployment using a VoWiFi handset, which aspect is most important?

2. Which protocols can be used to tunnel 802.11 user traffic from access points to WLAN controllers or other centralized network servers? (Choose all that apply.)

3. What is the traditional data-forwarding model for 802.11 user traffic when WLAN controllers are deployed?

4. You were previously onsite at XYZ's facility to conduct a pre-deployment RF site survey. The WLAN has been deployed according to your recommendations and you are onsite again to perform, a post-deployment validation survey.

When performing this type of post-deployment RF site survey voice over Wi-Fi, what is an action that must be performed?

5. In a long-distance RF link, what statement about Fade Margin is true?

6. When implementing an 802.1X/EAP RSN network with a VoWiFi solution, what is needed to avoid latency issues during roaming?

7. What are some results of multipath interference? (Choose all that apply.)

8. In an 802.11n 2.4 GHz BSS, what prevents each station from using the full network data rate (e.g. 216.7 Mbps) for user data when multiple clients are actively exchanging data with the AP?

9. A VoIP telephone is connected to a 24-port PoE midspan PSE.

If the telephone does not provide a classification signature, how much power will the PSE provide to the telephone?

10. Which of these measurements are taken for indoor coverage analysis? (Choose all that apply.)

11. Which of the following statements are true? (Choose all that apply.)

12. What is the difference between association frames and reassociation frames?

13. Which of the following are good uses for portable networks? (Choose all that apply.)

14. The basic architecture of any MDM solution consists of:

15. What problems may exist for a multiple channel architecture (MCA) WLAN when its APs are all operating at full power (typically 100mW)? (Choose 2)

16. Which ESS design scenario is required by the IEEE 802.11-2020 standard?

17. The IEEE 802.11-2012 standard defines communication mechanisms at which layers of the OSI model? (Choose all that apply.)

18. What wireless networking term describes the increase of RF energy in an intentional direction with the use of an antenna?

19. When using a WLAN hotspot, company employees should do which of the following to ensure security back to your corporate network?

20. Which of the following information is included in a probe response frame? (Choose all that apply.)

21. Which protocol is used by iOS and macOS devices for over-the-air provisioning of MDM profiles using certificates and SSL encryption?

22. What three cipher suites are specified by the IEEE 802.11-2012 standard? (Choose 3)

23. Which one of the following 802.11 PHYs is more likely to be used in an industrial deployment but not likely to be used in standard office deployments?

24. Samantha received a gaming system as a gift. She would like to have it communicate with her sister Jennifer's gaming system so that they can play against each other.

Which of the following technologies, if deployed in the two gaming systems, should provide for the easiest configuration of the two systems to communicate with each other?

25. What is the channel and band of a Wi-Fi transmission whose center frequency is 5.300 GHz?

26. What is required when operating 802.11ax APS in the 6 GHz band using passphrase-based authentication?

27. A robust security network (RSN) requires the use of which security mechanisms? (Choose all that apply.)

28. Professor Perry Correll has an Ethernet switch that is compliant with 802.3at. He is having problems with his APs randomly rebooting.

Which of the following could be causing his problems?

29. What terms accurately complete the following sentence?

The IEEE 802.11-2012 standard specifies mandatory support of the ___________ cipher suite for Robust Security Network Associations, and optional use of the ___________ cipher suite, which is designed for use with pre-RSNA hardware.

30. If the access points transmit on the same frequency channel in an MCA architecture, what type of interference is caused by overlapping coverage cells?

31. The WonderPuppy Coffee Company has hired you to make recommendations about deploying wireless hotspots inside 500 coffee shops across the country.

What solutions might you recommend? (Choose all that apply.)

32. What type of signal is required to carry data?

33. What are some of the possible negative effects of an impendence mismatch? (Choose all that apply.)

34. What frame type is used to reserve the wireless medium for the transmission of high data rate frames that may not be understood by all clients connected to the BSS?

35. Physical carrier sense uses which two thresholds during the clear channel assessment to determine if the medium is busy?

36. Which new power-management method defined by the 802.11n amendment conserves power by powering down all but one radio?

37. 802. 11ax (HE) introduces Resource Units that can be used to allow communications with multiple devices at the same time, on the same channel, in the same BSS.

What feature of 802.1 lax provides this functionality?

38. The client devices that connect to your network include a mix of dual-band 802.11n and 802.11ac, single-band 802.11b/g/n, and some 802.11a/g/n. Your access points are configured with the same SSID on both the 2.4 and 5 GHz bands. The APs are also configured to prioritize client connectivity to 5 GHz.

How does an AP perform band steering to encourage clients to use 5 GHz?

39. Based on RSSI metrics, concentric zones of variable data rate coverage exist around an access point due to the upshifting and downshifting of client stations between data rates.

What is the correct name of this process, according to the IEEE 802.11-2012 standard?

40. An RF signal sometimes bends as it passes through some material other than free space.

What is the term that describes this behavior?

41. What are the security options available as defined in the original IEEE Std 802.11-1999 (R2003)? (Choose all that apply.)

42. SSID = Corporate / BSSID = BB:BB:BB:BB:BB:BB /

VLAN = 44 / Subnet = 192.168.44.0 / RF Channel = 6 / User Type B

43. Several users are complaining that their VoWiFi phones keep losing connectivity.

The WLAN administrator notices that the frame transmissions of the VoWiFi phones are corrupted when listened to with a protocol analyzer near the access point but are not corrupted when listened to with the protocol analyzer near the VoWiFi phone.

What is the most likely cause of this problem?

44. Which 802.11 amendments provide for throughput of 1 Gbps or higher? (Choose all that apply.)

45. When performing a validation survey for a Multiple Channel Architecture (MCA) system in a multi-tenant building with five floors, what aspect should you, as the surveyor, keep in mind?

46. To reduce airtime consumption and provide for better capacity in the 5 GHz band, which data rates are recommended to be selected as basic rates? (Choose all that apply.)

47. ABC Company has a 2.4 and 5 GHz WLAN deployment. DFS functionality is enabled as required by the regulatory domain and APs use DFS channels as long as radar is not detected. Band steering is also enabled to encourage dual-band clients to use frequency bands with more capacity.

Your performance analysis shows that many dual-band VoWiFi client devices will move back and forth between 2.4 and 5 GHz as the users roam throughout the building. All APs have 2.4 and 5 GHz radios enabled with transmit power adjusted to accommodate relatively similar cell sizes. This “band hopping” behavior is viewed by network staff to be undesirable.

What is the most likely cause of the unpredictable client band selection behavior?

48. What does 802.1X/EAP provide when implemented for WLAN security? (Choose all that apply.)

49. What mechanism can be used if the guest VLAN is not supported at the edge of the network and only resides in A DMZ?

50. Which WLAN architectural models typically require support for 802.1Q tagging at the edge on the network when multiple user VLANs are required? (Choose all that apply.)

51. The basic service set identifier address can be found in which topologies? (Choose all that apply.)

52. Requiring all frames to be transmitted as A-MPDU frames increases performance due to which of the following? (Choose all that apply.)

53. What scenarios might result in a hidden node problem? (Choose all that apply.)

54. When an RF signal bends around an object, this propagation behavior is known as what?

55. What factor will have the most significant impact on the amount of wireless throughput available to each station within a BSS?

56. What is the recommended received signal and SNR when providing for VoWiFi client communications?

57. What are of some of the common security capabilities often integrated within access points deployed in a distributed WLAN architecture?

58. You are designing an 802.3at-compliant network and are installing a 24-port Ethernet switch to support 10 Class 1 VoIP phones and 10 Class 0 APs.

The switch requires 500 watts to perform its basic switching functions.

How much total power will be needed?

59. The ___________ is the initial component in the creation of the wireless medium.

60. To double the distance of a signal, the EIRP must be increased by how many dBs?

61. Which field in the MAC header of an 802.11 frame resets the NAV timer for all listening 802.11 stations?

62. Which of the following statements is not true regarding the number of subcarriers in the following channels? (Choose all that apply.)

63. What standard is referenced in the 802.11-2016 specification and is recommended for robust WLAN client security?

64. When is an ERP (802.11g) AP required by the IEEE 802.11-2012 standard to respond to probe request frames from nearby HR-DSSS (802.11b) stations? (Choose all that apply.)

65. Wi-Fi 4 radios using 802.11n (HT) technology can operate on which frequency bands? (Choose all that apply.)

66. Identify the security solutions that are defined by WPA2. (Choose all that apply.)

67. How does transmit beamforming (TxBF) use multiple MIMO antennas to increase range?

68. Which of these WLAN architectures may require the use of an NMS server to manage and monitor the WLAN?

69. What type of security can be used to stop attackers from seeing the MAC addresses used by your legitimate 802.11 WLAN devices?

70. Which of these attacks are considered denial-of-service attacks? (Choose all that apply.)

71. What are some examples of control plane intelligence? (Choose three)

72. What are some objects or materials that are common causes of reflection? (Choose all that apply.)

73. Scott is an administrator at the Williams Lumber Company, and his WIPS has detected a rogue access point.

What actions should he take after the WIPS detects the rogue AP? (Choose the best two answers.)

74. Which type of wired access switch technology is the most important consideration when deploying 4×4:4 or 8×8:8 Wi-Fi 6 access points?

75. A PD must be capable of accepting power with either polarity from the power supply.

In mode A, on which conductors/wires does the PD accept power?

76. What are the required data rates of an OFDM station?

77. When using a hotspot, you should do which of the following to ensure security back to your corporate network?

78. CCMP encryption uses which AES key size?

79. Select two components that should be mandatory in every remote access wireless security policy.

80. dBi is an expression of what type of measurement?

81. ABC Company is planning to install a new 802.11ac WLAN, but wants to upgrade its wired infrastructure first to provide the best user experience possible. ABC Company has hired you to perform the RF site survey.

During the interview with the network manager, you are told that the new Ethernet edge switches will support VoIP phones and 802.11 access points, both using 802.3 PoE.

After hearing this information, what immediate concerns do you note?

82. 802.11 collision detection is achieved using which technology?

83. Which of the following are valid ISM bands? (Choose all that apply.)

84. The 802.11 legacy standard defines which wireless security solution?

85. A WIPS uses which four labels to classify an 802.11 device? (Choose the best four answers.)

86. dBi is a measure of what?

87. Which of the following 802.11 frames carry an MSDU payload that may eventually be transferred by the integration service into an 802.3 Ethernet frame?

88. CSMA/CA and DCF define which mechanisms that attempt to ensure that only one 802.11 radio can transmit on the half-duplex RF medium? (Choose all that apply.)

89. When is an 802.11ac AP transmitting on 5 GHz required by the IEEE 802.11-2020 standard to respond to probe request frames from nearby client stations? (Choose all that apply.)

90. What type of interference is caused by overlapping coverage cells with overlapping frequencies?

91. Which two 802.11 topologies require the use of an AP?

92. In WLAN security, which authentication methods always create Layer 2 dynamic encryption keys? (Choose 2)

93. What phrase defines Equivalent Isotropically Radiated Power (EIRP)?

94. What are some popular 802.11 applications used in the healthcare industry? (Choose all that apply.)

95. What documents might be needed prior to performing an indoor site survey for a new wireless LAN? (Choose all that apply.)

96. In the 1970’s _______ had a wireless communication model for transmitting between islands.

97. If an 802.11 RF transmission reaches a receiving antenna simultaneously by direct and reflected paths, what effect will the reflected signal have on the signal that took the direct line-of-sight path?

98. Prior to association, what parameter can 802.11 client devices measure and use to select the optimal access point for association?

99. Layer 2 retransmissions occur when frames become corrupted.

What are some of the causes of layer 2 retries? (Choose all that apply.)

100. Jane Barrett is installing a controller-based wireless network that uses both software and hardware to monitor and dynamically change the power and channel settings of the APs.

This technology is known as what? (Choose all that apply.)

101. What are some of the methods that can be used by a captive web portal to redirect a user to the captive portal logon page? (Choose all that apply.)

102. During a post-implementation survey, you have detected a non-802.11 wireless device transmitting in the area used by handheld 802.11g scanners.

What is the most important factor in determining the impact of this non-802.11 device?

103. Which is often used to describe the “shape” of a frequency channel? (Choose all that apply.)

104. 802.11n (HT) radios are backward compatible with which of the following types of 802.11 radios? (Choose all that apply.)

105. What statement about the IEEE 802.11e QoS facility is true?

106. A client complains of low data rates on his computer. When you evaluate the situation, you see that the signal strength is -84 dBm and the noise floor is -96 dBm. The client is an 802.11ac client and connects to an 802.11ac AP. Both the client and AP are 2x2:2 devices.

What is the likely cause of the low data rate issue?

107. Public hotspots typically provide clients with which of the following security features?

108. 802.11 technology is typically deployed at which fundamental layer of network architecture?

109. What would be needed for multiple basic service sets (BSSs) to exist within the same coverage area of a single access point and in that coverage area, all the client stations would be segmented in separate layer 2 and 3 domains but all communicate within a single layer 1 RF domain? (Choose all that apply.)

110. How can a MIMO system increase throughput at the Physical layer? (Choose all that apply.)

111. Which is the best tool for detecting an RF jamming denial-of-service attack? (Choose all that apply.)

112. The IEEE 802.3af and 802.3at amendments have been incorporated into the IEEE Std 802.3 revised standard and are defined in which clause?

113. The highest RF signal strength that is transmitted from an antenna is known as what?

114. Which of the following encryption methods use symmetric ciphers? (Choose all that apply.)

115. What capabilities can be found on a WLAN controller? (Choose all that apply.)

116. What WLAN client connectivity may be negatively impacted by client load balancing between access points?

117. What are the two main components of a centralized WLAN architecture? (Choose all that apply.)

118. 128-bit WEP encryption uses a user-provided static key of what size?

119. Which radio form factors can be used by 802.11 technology?

120. If PCF is implemented, it can function in which of the following network environments? (Choose all that apply.)

121. ABC Company has thousands of Wi-Fi users accessing their network on a daily basis. Their WLAN consists of 700 access points, 6 WLAN controllers, and a wireless network management system.

What network functions are performed by the enterprise-class WNMS? (Choose 3)

122. Which new technologies debuted in the 802.11ac-2013 amendment? (Choose all that apply.)

123. What is the most effective method for testing roaming in relation to 802.11 VoIP handsets?

124. In addition to throughput enhancements, what other improvements does a dual-band 802.11ac AP provide when compared with 802.11a/g APs? (Choose 2)

125. What security option for 802.11 networks supports SAE and requires protected management frames?

126. Which IEEE 802.11 physical layer (PHY) specifications include support for and compatibility of both OFDM and HR/DSSS? (Choose 2)

127. A bridge transmits at 10 mW. The cable to the antenna produces a loss of 3 dB, and the antenna produces a gain of 20 dBi.

What is the EIRP?

128. Which option best describes a device used to provide wireless connectivity for a small number of wired clients?

129. __________ uses very little bandwidth to transmit the data that it is carrying.

130. An 802.11a radio card can transmit on the_______frequency and uses_______spread spectrum technology.

131. Which of the following is typically the most important design goal when designing a warehouse WLAN?

132. An 802.11 wireless network name is known as which type of address? (Choose all that apply.)

133. You administer a small WLAN with nine access points. As a small business, you do not run a RADIUS server and use WPA2-Personal for security.

Recently, you changed the passphrase for WPA2-Personal in all APs and clients. Several users are now reporting the inability to connect to the network at times and it is constrained to one area of the building.

When using a WLAN scanner, you see that the AP covering that area is online and has a strong signal. No other changes have been made to the environment and all access points are the same model.

What is the likely problem?

134. Which security solutions may be used to segment a wireless LAN? (Choose all that apply.)

135. Which of the following is the responsibility of the Internet Engineering Task Force (IETF)?

136. Lightning arrestors will defend against which of the following?

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

138. How many client devices can successfully connect to and communicate with an AP?

139. Beacon management frames contain which of the following information? (Choose all that apply.)

140. ACK and CTS frames follow which interframe space?

141. What are some examples of how an 802.11 action frame can be used? (Choose all that apply.)

142. Which types of devices were defined in the original 802.11 standard? (Choose all that apply.)

143. What planes of operation reside in the access points of a distributed WLAN architecture? (Choose all that apply.)

144. Which of the following is true for MIMO transmissions?

145. Which of these weather conditions is a concern when deploying a long-distance point-to-point bridge link?

146. In a multiple-channel architecture, roaming is controlled by the client station and occurs based on a set of proprietary rules determined by the manufacturer of the wireless radio.

Which of the following parameters are often used when making the decision to roam? (Choose all that apply.)

147. When transmitting a QoS frame using MU-MIMO, which of the following statements is true? (Choose all that apply.)

148. What is always required to establish a high quality 2.4 GHz RF link at a distance of 3 miles (5 kilometers)?

149. Warehousing and manufacturing environments typically have which of the following requirements? (Choose all that apply.)

150. ABC Company is planning a point-to-multipoint outdoor bridge deployment with standalone (autonomous) 802.11 bridge units. 802.1X/EAP will be used for bridge authentication. A Linux based RADIUS server will be used for authentication.

What device in the bridge implementation acts as the 802.1X Authenticator?

151. Select the absolute units of power. (Choose all that apply.)

152. Andrew Garcia, the WLAN administrator, is trying to explain to his boss that the WLAN is not the reason that Andrew's boss cannot post on Facebook. Andrew has determined that the problem does not exist at layer 1 or layer 2 of the OSI model.

What should Andrew say to his boss? (Choose the best answer.)

153. Name the major types of coverage analysis site surveys. (Choose all that apply.)

154. What are some of the methods used to reduce MAC layer overhead as defined by the 802.11n-2009 amendment? (Choose all that apply.)

155. Where is redundancy needed if user traffic is being tunneled in a centralized WLAN architecture?

156. What statement about 802.11 WLAN performance is true?

157. 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?

158. What are some extra restrictions that can be placed on a guest user other than the restrictions defined by the guest firewall policy? (Choose all that apply.)

159. Thirty 2×2:2 access points have been deployed at a school where all the client devices are 1×1:1 802.11n tablets. The access points are transmitting on 20 MHz channels with the standard guard interval of 800 ns.

What is the highest 802.11n data rate that can be used for communications between the APs and tablets?

160. The 802.11-2020 standard specifies architectural services that stations use within various 802.11 topologies.

Which service is used by both client stations and AP stations?

161. Which of the following terms refer to a PTMP network design? (Choose all that apply.)

162. Rebekah McAdams was hired to perform a wireless packet analysis of your network. While performing the analysis, she noticed that many of the data frames were preceded by an RTS frame followed by a CTS frame.

What could cause this to occur? (Choose all that apply.)

163. When calculating the link budget and system operating margin of a point-to-point outdoor WLAN bridge link, what factors should be taken into account? (Choose all that apply.)

164. Which term best describes modulation accuracy?

165. Name a potential source of RF interference in the 5 GHz U-NII band.

166. In a multiple-channel architecture (MCA) design, what is the greatest number of nonoverlapping channels that can be deployed in the 2.4 GHz ISM band?

167. An employee has enrolled a personal device with an MDM server over the corporate WLAN. The employee removes the MDM profile while at home.

What will happen with the employee's personal device the next time the employee tries to connect to the company SSID?

168. What best describes hop time?

169. The Wi-Fi Alliance is responsible for which of the following certification programs?

170. What components make up a distribution system? (Choose all that apply.)

171. 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 outdoor courtyard.

When choosing an antenna with higher gain, what other antenna characteristic will also always change?

172. Which Windows CLI command can display a WLAN client's authentication method, encryption method, channel, signal strength, and data rate?

173. Which of the following channel widths are supported in 802.11ac? (Choose all that apply.)

174. Which type of location often has a person responsible for keeping track of frequency usage inside the organization?

175. You are performing a post-implementation validation survey.

What basic tool can be used to easily locate areas of high co-channel interference?

176. Last-mile Internet service is provided by which of the following? (Choose all that apply.)

177. Given: Wi-Fi clients can roam seamlessly at layer 2 if all the APs are configured with the same SSID and same security settings. However, if clients cross layer 3 boundaries, a layer 3 roaming solution will be needed.

Which device functions as the home agent if a Mobile IP solution has been implemented in an enterprise WLAN environment where no WLAN controller is deployed?

178. Select the four labels that a WIPS uses to classify an 802.11 device.

179. Which of these capabilities are considered mandatory for a phase one 802.11ac access point as defined by the Wi-Fi Alliance's vendor certification program called Wi-Fi CERTIFIED ac? (Choose all that apply.)

180. The guard interval is used as a buffer to compensate for what type of interference?

181. How many root bridges exist in a point-to-multipoint bridge link?

182. What factors influence the distance that an RF signal can be effectively received? (Choose 3)

183. What are the two reasons that 802.11 radios use physical carrier sense? (Choose all that apply.)

184. What are some potential causes of layer 2 retransmissions? (Choose all that apply.)

185. Which 802.11ac MCS range defines all of the MCSs that are mandatory?

186. What method of dialog communications is used within an 802.11 WLAN?

187. You are managing a wireless access point in autonomous mode using the Web based interface. You capture traffic during this management task and notice that you can see the HTML code of the Web pages used for access point management.

What error in administration could be the cause of this security concern?

188. During the discovery and connectivity process, client and AP stations exchange information about their supported data rates.

After the association, how do client and AP stations select the supported data rate that will be used to send an 802.11 data frame?

189. The _______ is the final component in the wireless medium.

190. How long do all Wi-Fi radios have to exit a dynamic frequency selection (DFS) channel when a radar pulse is detected?

191. If a classification signature is not provided, the device is considered to be in what class?

192. At which layer of the OSI model will a BSSID address be used?

193. WLAN vendors use RSSI thresholds to trigger which radio card behaviors? (Choose all that apply.)

194. You are troubleshooting a client issue on a Windows laptop. The laptop can see and connect to 2.4 GHz APs, but is does not even see 5 GHz APs. While evaluating the issue, you determine that this problem is happening for all of the laptops of this model in the organization.

Several other tablets connect on channel 48 and channel 52 in the same work areas.

What is the likely problem?

195. The 802.11-2012 standard defines which two technologies for quality of service (QoS) in a WLAN?

196. At maximum power requirements, a 24-port 802.3at-compliant PoE Ethernet switch must be able to provide about how many total watts of power to PoE devices on all ports?

197. What does FCC stand for?

198. Your consulting firm has recently been hired to complete a site survey for a company. Your engineers use predictive modeling software for surveying, but the company insists on a predeployment site visit.

What tasks should be performed as part of the pre-deployment visit to prepare for a predictive survey? (Choose 2)

199. In the United States, 802.11 radios were not allowed to transmit on which range of frequencies to avoid interference with Terminal Doppler Weather Radar (TDWR) systems?

200. What problems may occur when there are hidden nodes in the BSS?

201. What three main components constitute an 802.1X/EAP framework? (Choose all that apply.)

202. At which layers of the OSI model does 802.11 technology operate? (Choose all that apply.)

203. Which WLAN device uses dynamic layer 2 routing protocols?

204. The PSE will apply a voltage of between 14.5 and 20.5 and measure the resulting current to determine the class of the device.

Which current range represents Class 2 devices?

205. Identify some aspects of the Temporal Key Integrity Protocol. (Choose all that apply.)

206. A WLAN transmitter that emits a 200 mW signal is connected to a cable with 3 dB loss.

If the cable is connected to an antenna with 10 dBi gain, what is the EIRP at the antenna element?

207. Which of the following are true about scanning? (Choose all that apply.)

208. What are some recommended best practices when deploying a high-density WLAN? (Choose all that apply.)

209. STAs operating in Infrastructure mode may communicate in which of the following scenarios? (Choose all that apply.)

210. The 802.11ac amendment defines a maximum of how many spatial streams for an AP, and how many maximum devices can an AP communicate with at once?

211. Which potential regional weather conditions can adversely affect an outdoor wireless bridge link and should be noted during an outdoor site survey? (Choose all that apply.)

212. The Kellum Corporation has hired you to troubleshoot an existing WLAN. The end users are reporting having difficulties when roaming.

What are some of the possible causes? (Choose all that apply.)

213. ____________ antennas radiate RF signals in all directions.

214. Transmit beamforming uses what type of frames to analyze the MIMO channel before transmitting directed paths of data?

215. Which terms best describe components of a centralized WLAN architecture where the management, control, and data planes all reside in a centralized device? (Choose all that apply.)

216. Which 802.11 service set may allow for client roaming?

217. The network administrator at XYZ Company recently attended a training class on wireless security and realized that he should update the corporate security policy to address WLAN technology. The network administrator is listing the items that should be addressed in the security policy update, and has asked for your input.

What WLAN topics should be addressed by a company security policy? (Choose 3)

218. Which data rate is supported by 802.11g radios that is not supported by 802.11a radios?

219. As a station moves away from the access point to which it is associated, it changes its data rate from 600 Mbps to 540 Mbps and then to 450 Mbps.

What IEEE 802.11 term is used to describe this functionality?

220. The radius of the first Fresnel zone is __________. (Choose all that apply.)

221. What type of wireless topology is defined by the 802.11 standard?

222. How many channels should be used in a 5 GHz channel reuse pattern of 20 MHz channels?

223. Which two technologies are used to prevent 802.11 radios from interfering with radar and satellite transmissions at 5 GHz?

224. An ERP (802.11g) network mandates support for which two spread spectrum technologies?

225. In the U-NII-1 band, what is the center frequency of channel 40?

226. You are implementing a VHT-capable AP.

Which one of the following channels is available in the 802.11ac amendment to the 802.11-2012 standard, which was not available in the standard before this amendment?

227. The 802.11 protocol specifies a fundamental channel access method that is required for all stations and is used in all IBSS and BSS networks.

What is this fundamental channel access method called?

228. Which of the following frequency ranges are specified for use by IEEE 802.11 radios? (Choose all that apply.)

229. Which one of the following frequency ranges is not specified for use by IEEE 802.11 radios as of 802.11-2012?

230. XYZ Corporation is experiencing connectivity problems with their existing building-to-building bridge link. A concrete wall on the roof of one building is partially blocking the Fresnel Zone, and the connection is dropping many frames.

The administrator moves the antenna to an area not obstructed by the concrete wall and then realizes the RF cable cannot reach the new location.

If an extension cable is added to move the antenna, what are the likely results?

231. Which 802.11 amendment defines wireless mesh networking mechanisms?

232. What type of hardware may be necessary when installing APs to be used for outdoor wireless coverage? (Choose all that apply.)

233. Name potential sources of interference in the 5 GHz U-NII band. (Choose all that apply.)

234. What is the maximum power draw of an 802.3at PD?

235. Which of these attacks will not be detected by a wireless intrusion detection system (WIDS)?

236. For an 802.1X/EAP solution to work properly, which two components must both support the same type of EAP? (Choose all that apply.)

237. 23 dBm is equal to how many mW?

238. The OSI model is a 7-layer model for understanding the functions of a communication system.

What OSI sublayers are specifically addressed by the IEEE 802.11-2012 standard? (Choose 2)

239. What kind of remote actions can an MDM administrator send to the mobile device over the Internet?

240. What phrase correctly completes the following sentence? When using WMM Power Save operation, a wireless client device ______________.

241. When using an RF splitter to connect one transceiver to sector antennas loss is incurred.

What is this loss called?

242. What PHY layer mechanisms might be used to increase the range for an 802.11n radio using a MIMO system? (Choose all that apply.)

243. Semidirectional antennas are often used for which of the following purposes? (Choose all that apply.)

244. Which wireless topology provides citywide wireless coverage?

245. Which technologies use the RC4 cipher? (Choose all that apply.)

246. Which WIDS architecture is the most commonly deployed?

247. What term best describes the bulk of the data generated on the Internet being created by sensors, monitors, and machines?

248. A standard measurement of frequency is called what?

249. The Barker code converts a bit of data into a series of bits that are referred to as what?

250. Which of the following statements best describe security considerations during a wireless site survey? (Choose all that apply.)