ENCOR – INFRASTRUCTURE – WIRELESS Welcome to your INFRASTRUCTURE- WIRELESS 1. When comparing two absolute power values, what can a wireless engineer conclude after calculating a result of -3 dB? A. The power level of interest is one tenth of the reference value. B. The power level of interest is half the reference value. C. The power level of interest is ten times the reference value. D. The value of the two power levels is the same. E. The power level of interest is double the reference value. None 2. While reviewing wireless survey reports, an intern asks a wireless engineer about the term noise floor. What is the definition of noise floor? A. Noise floor is the decreasing of the signal amplitude as it travels through free space. B. Noise floor is the smallest signal strength of the recorded noise received by a receiver. C. Noise floor is the average signal strength of the noise being received by a receiver. D. Noise floor is the maximum signal strength of the recorded noise received by a receiver. None 3. What is a simple solution to overcome the negative effects of free space path loss? A. increase the cable length of the antenna B. decrease the antenna gain C. increase the transmitter output power D. decrease the transmitter output power None 4. What technological factor limits the number of unique spatial streams that can be supported by a MIMO device? A. the number of radios B. the number of transmitters C. the number of receivers D. the processing capacity None 5. Which wireless technology allows data to be distributed across two or more radio chains in order to increase data throughput while operating on the same channel? A. narrowband B. direct sequence spread spectrum C. spatial multiplexing D. dynamic rate shifting None 6. Which term describes the decrease in signal strength of an RF even though there are no obstacles in the path between a transmitter and a receiver? A. transmit beamforming B. free space path loss C. link budget D. spatial multiplexing None 7. How does the 802.11ax amendment (Wi-Fi 6) differ from any other 802.11 wireless standard created before it? A. Wi-Fi 6 can utilize channel widths of 20, 40, 80, or 160 MHz. B. Wi-Fi 6 can support data rates in excess of 150 Mbps per spatial stream. C. Wi-Fi 6 can allow multiple devices simultaneous access to the wireless medium. D. Wi-Fi 6 can support both the 2.4 GHz and 5 GHz band. None 8. . Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges? A. 802.11a B. 802.11n C. 802.11b D. 802.11g None 9. How does a change in frequency or cycles affect the wavelength of a wireless LAN signal? A. As the number of cycles decreases, the wavelength will increase. B. As the frequency increases, the wavelength will also increase. C. As the frequency decreases, the wavelength will also decrease. D. As the cycles of a wave become larger, the wavelength will cover less distance. None 10. An engineer has identified two signals that are 180 degrees out of phase . What can be determined about these two signals? A. These two RF signals will add together as they are received. B. These two RF signals were produced at exactly the same time. C. These two RF signals will tend to cancel each other out as they are received. D. These two RF signals will have matching cycles and identical signals. None 11. Which wireless network topology requires that all of the access points be located within a 100 meter radius of an access switch? A. centralized wireless network B. Mobility Express wireless network C. unified wireless network D. embedded wireless network None 12. What are two benefits of deploying a centralized wireless LAN topology? (Choose two.) A. decreasing the cable length requirement when utilizing lightweight access points in an embedded wireless network topology B. convenience of enforcing security policies for all wireless users C. lowering the investment cost when utilizing lightweight access points in a Mobility Express topology D. maximizing the number of APs that can join a single WLC E. decreasing the RTT between two wireless clients on a single access point 13. What is a difference between autonomous APs that operate in a home environment and controller-based APs that operate in a corporate environment? A. Autonomous APs do not support PoE. B. Controller-based APs are known as lightweight APs and require an initial configuration to operate. C. Autonomous APs incorporate the functions of a router, switch, and AP into one device. D. Controller-based APs can be automatically configured and managed by a WLAN controller. None 14. Which protocol and port number are used when an AP sends a unicast CAPWAP Discovery Request packet to the IP address of a controller? (Choose two.) A. 1645 B. UDP C. IP D. 5246 E. 1812 F. 43 G. TCP 15. Which type of topology supports the use of CAPWAP tunnels without the investment of a dedicated wireless LAN controller? A. embedded wireless network B. unified wireless network C. centralized wireless network D. Mobility Express None 16. . What information is needed by an AP for stateful switchover (SSO) using high availability with a standby WLC? A. the standby WLC B. the group name of the SSO pair C. the IP address of both the primary and standby WLC D. the active primary WLC None 17. Why would an AP that successfully discovers a WLAN controller be denied from joining that WLC? A. The name of the WLC is different from the pre-configured name on the Cisco lightweight AP. B. The WLC already has the maximum number of APs joined to it. C. The WLC has a software release downloaded on it that is different from the lightweight AP software.  The WLC is configured to be the standby WLC in an SSO group. None 18. What type of wireless antenna is best suited for providing coverage in large open spaces, such as hallways or large conference rooms? A. directional B. Yagi C. omnidirectional D. dish None 19. A wireless engineer accesses the WLC and configures a lightweight access point to function as a sniffer. Which two functions will be performed by the lightweight access point in this mode? (Choose two.) A. The lightweight AP will forward captured traffic to a PC running network analyzer software. B. The lightweight AP will check for IDS events and determine the position of stations through location-based services. C. The lightweight AP will dedicate all of the physical radios to receiving 802.11 traffic from other sources. D. The lightweight AP will correlate MAC addresses heard on the wired network with those heard over the air to detect rogue devices. D. The lightweight AP will offer one or more functioning BSSs on a specific channel. 20. How is the beamwidth of a wireless antenna measured on a plot? A. beamwidth is determined by finding the weakest point on the plot and following it in either direction until the signal increases by 3 dB. B. The beamwidth is determined by finding the weakest point on the plot and following it in either direction until the signal decreases by 10 dB. C. The beamwidth is determined by finding the strongest point on the plot and following it in either direction until the signal decreases by 3 dB. D. The beamwidth is determined by finding the strongest point on the plot and following it in either direction until the signal decreases by 10 dB. None 21. . A wireless engineer is troubleshooting signal degradation between two wireless antennas connecting over a distance. If no physical obstructions are found to be blocking the wireless signal, what is most likely the issue? A. The polarization of the transmitting antenna does not match the polarization of the receiving antenna. B. The gain of the transmitting antenna does not match the gain of the receiving antenna. C. The transmitting and receiving antennas are mismatched and not providing a compatible radiation pattern. D. The polarization of the transmitting antenna is 3 dB less than the receiving antenna. None 22. What is the purpose of a wireless client sending a reassociation request to an AP? A. to respond to the beacon signal sent by the AP B. to roam from current AP to another AP C. to form a new association with the AP D. to find the SSID of the AP None 23. For its customers, a shopping center is deploying a wireless network that consists of 20 lightweight APs that are bound to a single WLC. Which type of roaming occurs when clients roam between APs on the shopping center network? A. intercontroller roaming B. Layer 2 roaming C. autonomous roaming D. intracontroller roaming None 24. A company deploys a Cisco wireless network over a large campus. The wireless network uses lightweight APs and multiple WLCs. A network technician walks around the campus to verify that wireless clients can roam smoothly between APs bound to different WLCs and assigned different VLANs and IP subnets. The technician verifies that while the client roams around campus, the client retains the same VLAN and IP address assigned. Which roaming scenario is the technician verifying? A. intracontroller roaming B. local-to-local roaming C. Layer 2 roaming D. Layer 3 roaming None 25. A company deploys a Cisco wireless network over the campus. Wireless network access is needed for visitors to access the internet while on campus. What are two best practices in setting up APs and WLCs for secure wireless connections for visitors? (Choose two.) A. only using private IP addresses for APs and clients B. using static IP addressing for clients to better locate visitor clients C. putting the anchor controller specific for visitors behind firewall D. configuring a WLC to be a static anchor controller specific for visitors to associate E. deploying autonomous APs for visitors 26. What is a difficulty in locating a wireless client based on the RSS value when received by only one AP? A. The orientation where the client is situated in relation to the AP cannot be determined. B. The RSS value is affected by the air temperature. C. The distance from the client to the AP cannot be accurately determined. D. The RSS value is affected by moisture in the air. None 27. Which two Cisco location solutions can work with Cisco management platforms to provide real-time location services for a wireless network? (Choose two.) A. Prime Infrastructure B. Mobility Services Engine C. DNA Space D. DNA Center E. Identity Services Engine 28. What is a Cisco solution developed to improve the results of wireless device location based on RSS values received by multiple APs? A. integrating customized GPS service on campus B. using DNA Center to provide secondary location parameters C. optimizing the algorithm to use 7 APs for determining the location D. developing RF fingerprinting where each mapped area is compensated with a calibration template None 29. Which tunneling technology is used to facilitate data exchange between a lightweight AP and a WLAN controller? A. CAPWAP tunnel B. IPsec tunnel C. GRE tunnel D. overlay tunnel None 30. Which technique is used by Cisco WLCs to minimize the time required on key exchanges during roaming by maintaining a database of clients and keys on behalf of bound APs, and providing those clients and keys to other controllers and bound APs as needed during roaming? A. Cisco Centralized Key Management (CCKM) B. intercontroller roaming C. key caching D. 802.11r support None 31. How is wireless client location determined based on RSS values when using three or more APs? A. comparing the RSS values to choose the location of the AP with the highest RSS received B. correlating the RSS values received by multiple APs to determine where the LAN switches that are connected to the APs intersect C. correlating the RSS values received by multiple APs to determine where they intersect D. comparing the RSS values received by multiple APs to choose the shortest straight distance None 32. What technology does a Cisco WLC use to provide Layer 3 roaming to a wireless client? A. a CAPWAP tunnel that tethers the client to the original anchor controller B. an IPsec tunnel to connect the client to the original AP C. a NAT translation to match the IP address in the roamed AP to the original AP D. a GRE tunnel to relay the data between the original AP and the roamed AP None 33. Which action reduces the user impact? Wireless users report frequent disconnections from the wireless network. While troubleshooting, a network engineer finds that after the user is disconnected, the connection re-establishes automatically without any input required. The engineer also notices these message logs: AP 'AP2' is down. Reason: Radio channel set. 6:54:04 PM AP 'AP4' is down. Reason: Radio channel set. 6:44:49 PM AP 'AP7' is down. Reason: Radio channel set. 6:34:32 PM A. increase the AP heartbeat timeout B. increase BandSelect C. enable coverage hole detection D. increase the dynamic channel assignment interval None 34. A company has an existing Cisco 5520 HA cluster using SSO. An engineer deploys a new single Cisco Catalyst 9800 WLC to test new features. The engineer successfully configures a mobility tunnel between the 5520 cluster and 9800 WLC. Clients connected to the corporate WLAN roam seamlessly between access points on the 5520 and 9800 WLC. After a failure on the primary 5520 WLC, all WLAN services remain functional; however clients cannot roam between the 5520 and 9800 controllers without dropping their connection. Which feature must be configured to remedy the issue? A. mobility MAC on the 5520 cluster B. mobility MAC on the 9800 WLC C. new mobility on the 5520 cluster D. new mobility on the 9800 WLC None 35. Which AP mode allows an engineer to scan configured channels for rogue access points? A. sniffer B. monitor C. bridge D. local None 36. An engineer is troubleshooting the Ap join process using DNS. Which FQDN must be resolvable on the network for the access points to successfully register to the WLC? A. wlcbostname.domain.com B. cisco-capwap-controller.domain.com C. ap-manager.domain.com D. primary-wlc.domain.com None 37. Refer to the exhibit. An engineer is investigating why guest users are able to access other guest user devices when the users are connected to the customer guest WLAN. What action resolves this issue? A. implement MFP client protection B. implement split tunneling C. implement P2P blocking D. implement Wi-Fi direct policy None 38. Which three elements determine Air Time efficiency? (Choose three) A. evert-driven RRM B. data rate (modulation density) or QAM C. channel bandwidth D. number of spatial streams and spatial reuse E. RF group leader F. dynamic channel assignment 39. Which two methods are used to reduce the AP coverage area? (Choose two.) A. Increase minimum mandatory data rate B. Reduce AP transmit power C. Disable 2.4 GHz and use only 5 GHz. D. Enable Fastlane. E. Reduce channel width from 40 MHz to 20 MHz 40. Which two statemets does the engineer use to explain these values to the customer? (Choose two) An engineer measures the Wi-Fi coverage at a customer site. The RSSI values are recorded as follows: Location A: -72 dBm Location B: -75 dBm Location C: -65 dBm Location D: -80 dBm A. The signl strength at location B is 10 dB better than location C B. Location D has the strongest RF signal strength. C. The signal strength at location C is too weak to support web surfing. D. The RF signal strength at location B is 50% weaker than location A E. The RF signal strength at location C is 10 times stronger than location B 41. A customer has recently implemented a new wireless infrastructure using WLC-5520S at a site directly next to a large commercial airport Users report that they intermittently lose Wi-Fi connectivity, and troubleshooting reveals it is due to frequent channel changes Which two actions fix this issue? (Choose two) A. Remove UNII-2 and Extended UNII-2 channels from the 5 Ghz channel list B. Restore the OCA default settings because this automatically avoids channel interference C. Disable DFS channels to prevent interference writ) Doppler radar D. Enable DFS channels because they are immune to radar interference E. Configure channels on the UNII-2 and the Extended UNII-2 sub-bands of the 5 Ghz band only 42. If the noise floor is -90 dBm and the wireless client is receiving a signal of -75 dBm, what is the SNR? A. 15 B. 1.2 C. -165 D. 83 None 43. How is 802.11 traffic handled in a fabric-enabled SSID? A. centrally switched back to WLC where the user traffic is mapped to a VXLAN on the WLC B. converted by the AP into 802.3 and encapsulated into VXLAN C. centrally switched back to WLC where the user traffic is mapped to a VLAN on the WLC D. converted by the AP into 802.3 and encapsulated into a VLAN None 44. Which device makes the decision for a wireless client to roam? A. wireless client B. wireless LAN controller C. access point D. WCS location server None 45. An engineer must provide wireless converge in a square office. The engineer has only one AP and believes that it should be placed it in the middle of the room. Which antenna type should the engineer use? A. directional B. polarized C. Yagi D. omnidirectional None 46. When is an external antenna used inside a building? A. only when using Mobility Express B. when it provides the required coverage C. only when using 2 4 GHz D. only when using 5 GHz None 47. When a wireless client roams between two different wireless controllers, a network connectivity outage isCexperienced for a period of time. Which configuration issue would cause this problem? A. Not all of the controllers in the mobility group are using the same mobility group name. B. Not all of the controllers within he mobility group are using the same virtual interface IP address. C. All of the controllers within the mobility group are using the same virtual interface IP address. D. All of the controllers in the mobility group are using the same mobility group name. None 48. Which measurement is used from a post wireless survey to depict the cell edge of the access points? A. SNR B. Noise C. RSSI D. CCI None 49. How is Layer 3 roaming accomplished in a unified wireless deployment? A. An EoIP tunnel is created between the client and the anchor controller to provide seamless connectivity as the client is associated with the new AP. B. The client entry on the original controller is passed to the database on the new controller. C. The new controller assigns an IP address from the new subnet to the client D. The client database on the original controller is updated the anchor entry, and the new controller None 50. Which two operational models enable an AP to scan one or more wireless channels for rouge access points and at the same time provide wireless services to clients? (Choose two.) A. Rouge detector B. Sniffer C. FlexConnect D. Local E. Monitor 51. A customer has several small braches and wants to deploy a WI-FI solution with local management using CAPWAP. Which deployment model meets this requirement? A. Autonomous B. Mobility express C. SD-Access wireless D. Local mode None 52. Refer to the exhibit. Which type of antenna does the radiation pattern represent? A. Yagi B. multidirectional C. directional patch D. omnidirectional None 53. What is the responsibility of a secondary WLC? A. It shares the traffic load of the LAPs with the primary controller. B. It avoids congestion on the primary controller by sharing the registration load on the LAPs. C. It registers the LAPs if the primary controller fails. D. It enables Layer 2 and Layer 3 roaming between Itself and the primary controller. None 54. Which DHCP option provides the CAPWAP APs with the address of the wireless controller(s)? A. 43 B. 66 C. 69 D. 150 None 55. Which antenna type should be used for a site-to-site wireless connection? A. Omnidirectional B. dipole C. patch D. Yagi None 56. What is the wireless received signal strength indicator? A. The value given to the strength of the wireless signal received compared to the noise level B. The value of how strong the wireless signal Is leaving the antenna using transmit power, cable loss, and antenna gain C. The value of how much wireless signal is lost over a defined amount of distance D. The value of how strong a tireless signal is receded, measured in dBm None 57. What is a characteristic of Wi-Fi channels? A. The 2.4-GHz band has 24 non-overlapping channels. B. Devices that connect to the same Wi-Fi channel reside in the same collision domain. C. Wi-Fi channels are spaced 30 MHz apart. D. The 5-GHz band offers 11 different channels for Wi-Fi clients. None 58. Which method is used by an AP to join HA controllers and is configured in NVRAM? A. stored WLC information B. DNS C. IP Helper Addresses D. Primary/Secondary/Tertiary/Backup None 59. Which access point mode allows a supported AP to function like a WLAN client would, associating and identifying client connectivity issues? A. client mode B. SE-connect mode C. sensor mode D. sniffer mode None 60. Why is an AP joining a different WLC than the one specified through option 43? A. The WLC is running a different software version. B. The AP is joining a primed WLC. C. The AP multicast traffic unable to reach the WLC through Layer 3. D. The APs broadcast traffic is unable to reach the WLC through Layer 2. None 61. Which new enhancement was implemented in Wi-Fi 6? A. Wi-Fi Protected Access 3 B. 4096 Quadrature Amplitude Modulation Mode C. Channel bonding D. Uplink and Downlink Orthogonal Frequency Division Multiple Access None 62. A client on different floors in an atrium. The access points are joined to the same controller and configured in local mode. The access points are in different AP groups and have different IP addresses, but the client VLAN in the groups is the same. What type of roam occurs? A. inter-controller B. inter-subnet C. intra-VLAN D. intra-controller None 63. If a client's radio device receives a signal strength of -67 dBm and the noise floor is -85 dBm, what is the SNR value? A. 15 dB B. 16 dB C. 18 dB D. 20 dB None 64. What are two common sources of interference for Wi-Fi networks? (Choose two.) A. LED lights B. radar C. fire alarm D. conventional oven E. rogue AP 65. What is required for intercontroller Layer 3 roaming? A. Mobility groups are established between wireless controllers. B. The management VLAN is present as a dynamic VLAN on the second WLC. C. WLCs use separate DHCP servers. D. WLCs have the same IP addresses configured on their interfaces. None 66. Which function does a fabric AP perform in a Cisco SD-Access deployment? A. It updates wireless clients' locations in the fabric B. It connects wireless clients to the fabric. C. It manages wireless clients' membership information in the fabric D. It configures security policies down to wireless clients in the fabric None 67. What is the calculation that is used to measure the radiated power of a signal after it has gone through the radio, antenna cable, and antenna? A. EIRP B. mW C. dBm D. dBi None 68. What is the recommended minimum SNR for data applications on wireless networks? A. 15 B. 20 C. 25 D. 10 None 69. What is the recommended minimum SNR for voice applications on wireless networks? A. 10 B. 15 C. 20 D. 25 None 70. What happens when a FlexConnect AP changes to standalone mode? A. All controller-dependent activities stop working except the DFS. B. All client roaming continues to work C. Only clients on central switching WLANs stay connected. D. All clients on an WLANs are disconnected None 71. If the maximum power level assignment for global TPC 802.11a/n/ac is configured to 10 dBm, which power level effectively doubles the transmit power? A. 13dBm B. 14 dBm C. 17dBm D. 20 dBm None 72. A large campus network has deployed two wireless LAN controllers to manage the wireless network. WLC1 and WLC2 have been configured as mobility peers. A client device roams from AP1 on WLC1 to AP2 on WLC2, but the controller's client interfaces are on different VLANs. How do the wireless LAN controllers handle the inter-subnet roaming? A. WLC1 marks the client with an anchor entry in its own database. The database entry is copied to the new controller and marked with a foreign entry on WLC2. B. WLC2 marks the client with an anchor entry in its own database. The database entry is copied to the new controller and marked with a foreign entry on WLC1. C. WLC1 marks the client with a foreign entry in its own database. The database entry is copied to the new controller and marked with an anchor entry on WLC2. D. WLC2 marks the client with a foreign entry in its own database. The database entry is copied to the new controller and marked with an anchor entry on WLC1. None 73. Which Cisco FlexConnect state allows wireless users that are connected to the network to continue working after the connection to the WLC has been lost? A. Authentication Down/Switching Down B. Authentication-Central/Switch-Local C. Authentication- Down/Switch-Local D. Authentication-Central/Switch-Central None 74. Which type of tunnel Is required between two WLCs to enable Intercontroller roaming? A. mobility B. LWAPP C. CAPWAP D. iPsec None 75. Which option must be used to support a WLC with an IPv6 management address and 100 Cisco Aironet 2800 Series access points that will use DHCP to register? A. 43 B. 52 C. 60 D. 82 None 76. What is a characteristic of a WLC that is in master controller mode? A. All new APs that join the WLAN are assigned to the master controller. B. The master controller is responsible for load balancing all connecting clients to other controllers. C. All wireless LAN controllers are managed by the master controller. D. Configuration on the master controller is executed on all wireless LAN controllers. None 77. Using the EIRP formula, what parameter is subtracted to determine the EIRP value? A. transmitter power B. antenna cable loss C. antenna gain D. signal-to-noise ratio None 78. Which mobility role is assigned to a client in the client table of the new controller after a Layer 3 roam? A. anchor B. foreign C. mobility D. transparent None 79. Which unit of measure is used to measure wireless RF SNR? A. mW B. bBm C. dB D. dBi None 80. In a wireless network environment, what is calculated using the numerical values of the transmitter power level, cable loss, and antenna gain? A. EIRP B. dBi C. RSSI D. SNR None 81. If AP power level is increased from 25 mW to 100 mW. what is the power difference in dBm? A. 6 dBm B. 14 dBm C. 17 dBm D. 20 dBm None 82. A customer wants to connect a device to an autonomous Cisco AP configured as a WGB. The WGB is configured properly: however, it fails to associate to a CAPWAP- enabled AP. Which change must be applied in the advanced WLAN settings to resolve this issue? A. Enable Aironet IE. B. Enable passive client. C. Disable AAA override. D. Disable FlexConnect local switching. None 83. Which two pieces of information are necessary to compute SNR? (Choose two.) A. EIRP B. noise floor C. antenna gain D. RSSI E. transmit power 84. Which signal strength and noise values meet the minimum SNR for voice networks? A. signal strength -69 dBm, noise 94 dBm B. signal strength -67 dBm, noise 91 dBm C. signal strength -68 dBm, noise 89 dBm D. signal strength -66 dBm, noise 90 dBm None 85. A customer deploys a new wireless network to perform location-based services using Cisco DNA Spaces The customer has a single WLC located on-premises in a secure data center. The security team does not want to expose the WLC to the public Internet. Which solution allows the customer to securely send RSSI updates to Cisco DNA Spaces? A. Implement Cisco Mobility Services Engine B. Replace the WLC with a cloud-based controller. C. Perform tethering with Cisco DNA Center. D. Deploy a Cisco DNA Spaces connector as a VM. None 86. Which two methods are used by an AP that is typing to discover a wireless LAN controller? (Choose two.) A. Cisco Discovery Protocol neighbour B. broadcasting on the local subnet C. DNS lookup cisco-DNA-PRIMARY.localdomain D. DHCP Option 43 E. querying other APs 87. Refer to the exhibit. Which antenna emits this radiation pattern? A. omnidirectional B. RP-TNC C. dish D. Yagi None 88. Where is the wireless LAN controller located in a mobility express deployment? A. There is no wireless LAN controller in the network. B. The wireless LAN controller is embedded into the access point. C. The wireless LAN controller exists in the cloud. D. The wireless LAN controller exists in a server that is dedicated for this purpose. None 89. Which DNS lookup does an access point perform when attempting CAPWAP discovery? A. CISCO-DNA-CONTROlLLER.local B. CAPWAP-CONTROLLER.local C. CISCO-CONTROLLER.local D. CISCO-CAPWAP-CONTROLLER.local None 90. Refer to the exhibit. Which type of antenna do the radiation patterns present? A. Patch B. Omnidirectional C. Yagi D. Dipole None 91. Refer to the exhibit. Which type of antenna is show on the radiation patterns? A. Dipole B. Yagi C. Patch D. Omnidirectional None 92. A company hires a network architect to design a new OTT wireless solution within a Cisco SD-Access Fabric wired network. The architect wants to register access points to the WLC to centrally switch the traffic. Which AP mode must the design include? A. Bridge B. Fabric C. FlexConnect D. local None 93. Which Cisco WLC feature allows a wireless device to perform a Layer 3 roam between two separate controllers without changing the client IP address? A. mobile IP B. mobility tunnel C. LWAPP tunnel D. GRE tunnel None 94. Refer to the exhibit. Which type of antenna is shown on the radiation patterns? A. Yagi B. dipole C. patch D. omnidirectional None 95. When a branch location loses connectivity, which Cisco FlexConnect state rejects new users but allows existing users to function normally? A. Authentication-Down / Switch-Local B. Authentication-Down / Switching-Down C. Authentication-Local / Switch-Local D. Authentication-Central f Switch-Local None 96. Which solution should be used in a high-density wireless environment to increase bandwidth for each user? A. Increase antenna size B. Increase the mandatory minimum data rate. C. Increase the cell size of each AP. D. Increase TX power. None 97. Which tunnel type allows clients to perform a seamless Layer 3 roam between a Cisco AireOS WLC and a Cisco IOS XE WLC? A. Ethernet over IP B. IPsec C. Mobility D. VPN None 98. A customer requires their wireless network to be fully functional, even if the wireless controller fails. Which wireless design supports these requirements? A. FlexConnect B. mesh C. centralized D. embedded None 99. A customer has 20 stores located throughout a city. Each store has a single Cisco access point managed by a central WLC. The customer wants to gather analysis for users in each store. Which technique supports these requirements? A. angle of arrival B. hyperlocation C. trilateration D. presence None 100. Which tag defines the roaming domain and properties of an AP deployment? A. RF tag B. policy tag C. site tag D. AP tag None 101. What is a characteristic of Layer 3 roaming? A. It provides seamles roaming between APs that are connected to different Layer 3 networks and different mobility groups. B. It is only supported on controllers that run SSO. C. It provides seamless client roaming between APs in different Layer 3 networks but within the same mobility group D. Clients must obtain a new IP address when they roam between APs None 102. Which action occurs during a Layer 3 roam? A. The client receives a new IP adcress after authentication occurs. B. The client is marked as `'foreign" on the original controller. C. The client database entry is moved from the old controller to the new controller. D. Client traffic is tunneled back to the original control after a Layer 3 roam occurs. None 103. Which RF value represents the decline of the RF signal amplitude over a given distance? A. signal-to-noise ration B. effective isotropic racketed power C. free space path loss D. received signal strength indicator None 104. Which port is required to allow APs to join a WLC when directed broadcasts are used on a Cisco iOS switch? A. UDP 5246 B. TCP 5246 C. TCP 5247 D. UDP 5247 None 105. Which wireless deployment mode uses a Flex architecture and allows Layer 2 roaming between APs without a physical wireless controller? A. Unified B. autonomous mode C. fabric D. Cisco Mobility Express None 106. An engineer must update the local web authentication details on a Cisco 5520 WLC. The engineer has one active SSID configured for web authentication and plans to update the virtual interface with a nonroutable IP address. Which command must the engineer apply? A. config wlan create wlan_idname B. config interface address virtual 1.1.1.1 C. config interface address dynamic-interface virtual 192.0.2.1 D. config interface address virtual 192.0.2.1 None 107. Which two descriptions of FlexConnect mode for Cisco APs are true? (Choose two.) A. APs that operate in FlexConnect mode cannot detect rogue APs. B. When connected to the controller, FlexConnect APs can tunnel traffic back to the controller. C. FlexConnect mode is used when the APs are set up in a mesh environment and used to bridge between each other. D. FlexConnect mode is a feature that is designed to allow specified CAPWAP-enabled APs to exclude themselves from managing data traffic between dents and infrastructure. E. FlexConnect mode is a wireless solution for branch office and remote office deployments. 108. What are two common sources of interface for WI-FI networks? (Choose two.) A. radar B. LED lights C. rogue AP D. conventional oven E. fire alarm 109. A client device fails to see the enterprise SSID, but other devices are connected to it. What is the cause of this issue? A. The hidden SSID was not manually configured on the client. B. The broadcast SSID was not manually configured on the client. C. The client has incorrect credentials stored for the configured hidden SSID. D. The client has incorrect credentials stored for the configured broadcast SSID. None 110. Refer to the exhibit. To which setting is the client limitation for WLAN LAP1 configured? A. 60 B. 1800 C. Client exclusion is not enabled D. 25 None 111. Which statement about when you configure FlexConnect APs and you want to set up Cisco Centralized Key Management fast roaming is true? A. FlexConnect groups are required for Cisco Centralized Key Management fast roaming to work with FlexConnect access points. B. APs that are in the same FlexConnect group but associated to different WLCs support Cisco Centralized Key Management. C. Cisco Centralized Key Management fast roaming among FlexConnect and non-FlexConnect access points is supported. D. The FlexConnect access point must be in standalone mode to support Cisco Centralized Key Management. None 112. What is used to measure the total output energy of a Wi-Fi device? A. dBi B. EIRP C. mW D. dBm None 113. What does the LAP send when multiple WLCs respond to the CISCO-CAPWAPCONTROLLER. localdomain hostname during the CAPWAP discovery and join process? A. unicast discovery request to the first WLC that resolves the domain name B. broadcast discovery request C. join request to all the WLCs D. unicast discovery request to each WLC None 114. Which DNS record type is required to allow APs to discover a WLC by using DNS on IPv4? A. NS B. A C. SOA D. MX None 115. A customer has two Cisco WLCs that manage separate APs throughout a building. Each WLC advertises the same SSID but terminates on different interfaces. Users report that they drop their connections and change IP addresses when roaming. Which action resolves this issue? A. Configure high availability. B. Enable fast roaming. C. Configure mobility groups. D. Enable client load balancing None 116. What is a characteristic of an AP operating in FlexConnect mode? A. All traffic traverses the WLC to ensure policy enforcement on client traffic. B. Forwarding for locally switched traffic continues when the AP loses connectivity to the WLC. C. APs connect in a mesh topology and elect a root AP D. FlexConnect enables an AP to connect to multiple WLCs. None 117. Which feature is provided by Cisco Mobility Services Engine in a Cisco Wireless Unified Network architecture? A. It adds client packet capturing. B. It enables NetFlow data collection. C. It adds client tracking and location API. D. It identifies authentication problems. None 118. An engineer must configure a new WLAN that supports 802.11r and requires users to enter a passphrase. What must be configured to support this requirement? A. 802.1X and Fast Transition B. FT PSK and Fast Transition C. 802.1X and SUITEB-1X D. FT PSK and SUITEB-1X None 119. How is CAPWAP data traffic encapsulated when running an Over the Top WLAN in a Cisco SD-Access wireless environment? A. LISP B. VXLAN C. GRE D. IPsec None 120. What does the Cisco WLC Layer 3 roaming feature allow clients to do? A. maintain their IP address when roaming to an AP or controller with a different client VLAN assignment B. maintain their connection between APs even when the AP management VLANs are different C. maintain their connection even if the client IP address changes when roaming D. roam seamlessly between controllers even when the controller management VLANs are different None 121. Which type of antenna is designed to provide a 360-degree radiation pattern? A. Yagi B. patch C. directional D. omnidirectional None 122. Refer to the exhibit. An SSID is configured and both clients can reach their gateways on the Layer 3 switch, but they cannot communicate with each other. Which action resolves this issue? A. Set the WMM Policy to Allowed B. Set the P2P Blocking Action to Disabled C. Set the WMM Policy to Required D. Set the P2P Blocking Action to Forward-UpStream None 123. Which two sources cause interference for Wi-Fi networks? (Choose two). A. mirrored wall B. 900MHz baby monitor C. fish tank D. DECT 6.0 cordless E. Incandesent lights 124. A wireless consultant is designing a high-density wireless network for a lecture hall for 1000 students. Which antenna type is recommended for this environment? A. sector antenna B. dipole antenna C. parabolic dish D. omnidirectional antenna None 125. When a wireless client roams between two different wireless controllers, a network connectivity outage is experience for a period of time. Which configuration issue would cause this problem? A. Not all of the controllers in the mobility group are using the same mobility group name. B. Not all of the controllers within the mobility group are using the same virtual interface IP address. C. All of the controllers within the mobility group are using the same virtual interface IP address. D. All of the controllers in the mobility group are using the same mobility group name. None 126. A customer has 20 stores located throughout a city. Each store has a single Cisco AP managed by a central WLC. The customer wants to gather analytics for users in each store. Which technique supports these requirements? A. angle of arrival B. presence C. hyperlocation D. trilateration None 127. Refer to the exhibit. An engineer is troubleshooting an issue with client devices triggering excessive power changes on APs in the 2.4 GHz band. Which action resolves this issue? A. Disable Aironet IE. B. Set the 802.11b/g/n DTIM interval to 0. C. Enable MFP Client Protection. D. Disable Coverage Hole Detection. None 128. When voice services are deployed over a wireless environment, which service must be disabled to ensure the quality of calls? A. Aggressive load balancing B. Dynamic transmit power control C. Priority queuing D. Fastlane None 129. What is a characteristic of an AP operating in FlexConnect Mode? A. All traffic traverses the WLC to ensure policy enforcement on client traffic B. Forwarding continues when the AP loses connectivity to the WLC C. APs connect in a mesh topology and elect a root AP D. FlexConnect enables an AP to connect to multiple WLCs None 130. What happens to the signal strength of an RF signal due to wave spreading? A. The signal strength of the RF signal will fall off equally near the transmitter and also farther away B. The signal strength of the RF signal will fall off quickly near the transmitter but more slowly farther away C. The signal strength of the RF signal will fall off slowly near the receiver and more quickly farther away D. The signal strength of the RF signal will fall off slowly near the transmitter but more quickly farther away None 131. Which unit is used to express the signal-to-noise ratio? A. mW B. db C. amp D. dbm None 132. A customer requires their wireless data traffic to egress at the switch port of the access point. Which access point mode supports this? A. FlexConnect B. Sniffer C. Bridge D. Monitor None 133. What is the difference in dBm when an AP power increases from 25 mW to 100mW? A. 75dBm B. 150dBm C. 6dBm D. 125dBm None 134. A customer has two Cisco WLCs that manage separate APs throughout a building. Each WLC advertises the same SSID but terminates on different interfaces. Users report that they drop their connections and change IP addresses when roaming. Which action resolves this issue? A. Configure high availability B. Enable test roaming C. Enable client load balancing. D. Configure mobility groups None 135. EIRP (Effective Isotropic Radiated Power) is the actual amount of signal leaving the antenna. It is a measurement value in db and is based on which three components? (Choose three.) A. Transmit Power B. RSSI C. Cable Loss D. Antenna Gain E. SNR 136. A Cisco administrstor deploys a new wireless network but CAPWAP APs cannot communicate with the wireless controller. IP connectivity in the network functions properly. Which action resolves the issue? A. Open CAPWAP UDP port 12222 in the network firewall. B. Open CAPWAP UDP ports 5246 and 5247 in the network firewall. C. Enable the UDP Lite feature on the WLC. D. Ensure that the controller is connected to a AAA server. None 137. A client requests a wireless solution for remote branch offices to eliminate the need for a local controller at each branch. The branch users require local termination in a specifc VLAN for local internet breakout. Which solution must be deployed? A. central switched B. FlexConnect local switching C. auto-anchor mobility D. asymmetric tunneling None 138. How does a WLC achieve stateful switchover for APs and clients? A. The active WLC establishes a CAPWAP tunnel to the AP, and the standby WLC establishes a LWAPP tunnel to the AP. B. The active WLC establishes a CAPWAP tunnel with the AP, and the standby WLC copies the AP database and the client database from the active WLC. C. The active WLC establishes a CAPWAP tunnel with the AP and standby WLC to share the AP database information. D. The active and standby WLCs establish separate CAPWAP tunnels to the AP. None 139. Which feature allows clients to perform Layer 2 roaming between wireless controllers? A. mobility groups B. N+1 high availability C. RF grouping D. SSO None 140. What are two characteristics of a directional antenna? (Choose two.) A. commonly used to cover large areas B. low gain C. provides the most focused and narrow beam-width D. receive signals equally from all directions E. high gain 141. Which device makes the decision for a wireless client to roam? A. wireless client B. wireless LAN controller C. access point D. WCS location server None 142. Which access point mode allows a supported AP to function like a WLAN client would, associating and identifying client connectivity issues? A. client mode B. SE-connect mode C. sensor mode D. sniffer mode None 143. Why is an AP joining a different WLC than the one specified through option 43? A. The WLC is running a different software version. B. The AP is joining a primed WLC. C. The AP multicast traffic unable to reach the WLC through Layer 3. D. The APs broadcast traffic is unable to reach the WLC through Layer 2. None 144. Which new enhancement was implemented in Wi-Fi 6? A. Wi-Fi Protected Access 3 B. 4096 Quadrature Amplitude Modulation Mode C. Channel bonding D. Uplink and Downlink Orthogonal Frequency Division Multiple Access None 145. What does the LAP send when multiple WLCs respond to the CISCO_CAPWAPCONTROLLER.localdomain hostname during the CAPWAP discovery and join process? A. broadcast discover request B. join request to all the WLCs C. unicast discovery request to each WLC D. Unicast discovery request to the first WLS that resolves the domain name None 146. What are two common sources of interference for Wi-Fi networks? (Choose two.) A. LED lights B. radar C. fire alarm D. conventional oven E. rogue AP None 147. How does Cisco Trustsec enable more access controls for dynamic networking environments and data centers? A. uses flexible NetFlow B. assigns a VLAN to the endpoint C. classifies traffic based an the contextual identity of the endpoint rather than its IP D. classifies traffic based on advanced application recognition None 148. If the maximum power level assignment for global TPC 802.11a/n/ac is configured to 10 dBm, which power level effectively doubles the transmit power? A. 13dBm B. 14 dBm C. 17dBm D. 20 dBm None 149. A large campus network has deployed two wireless LAN controllers to manage the wireless network. WLC1 and WLC2 have been configured as mobility peers. A client device roams from AP1 on WLC1 to AP2 on WLC2, but the controller's client interfaces are on different VLANs. How do the wireless LAN controllers handle the inter-subnet roaming? A. WLC1 marks the client with an anchor entry in its own database. The database entry is copied to the new controller and marked with a foreign entry on WLC2. B. WLC2 marks the client with an anchor entry in its own database. The database entry is copied to the new controller and marked with a foreign entry on WLC1. C. WLC1 marks the client with a foreign entry in its own database. The database entry is copied to the new controller and marked with an anchor entry on WLC2. D. WLC2 marks the client with a foreign entry in its own database. The database entry is copied to the new controller and marked with an anchor entry on WLC1. None 150. Which Cisco FlexConnect state allows wireless users that are connected to the network to continue working after the connection to the WLC has been lost? A. Authentication Down/Switching Down B. Authentication-Central/Switch-Local C. Authentication- Down/Switch-Local D. Authentication-Central/Switch-Central None 151. Which option must be used to support a WLC with an IPv6 management address and 100 Cisco Aironet 2800 Series access points that will use DHCP to register? A. 43 B. 52 C. 60 D. 82 None 152. What is a characteristic of a WLC that is in master controller mode? A. All new APs that join the WLAN are assigned to the master controller. B. The master controller is responsible for load balancing all connecting clients to other controllers. C. All wireless LAN controllers are managed by the master controller. D. Configuration on the master controller is executed on all wireless LAN controllers. None 153. Which DNS lookup does an AP perform when attempting CAPWAP discovery? A. CAPWAP-CONTROLLER.Iocal B. CISCO-CAPWAP-CONTROLLER.Iocal C. CISCO-DNA-CONTROLLER.Iocal D. CISCO-CONTROLLER.Iocal None 154. Which two actions, when applied in the LAN network segment, will facilitate Layer 3 CAPWAP discovery for lightweight AP? (Choose two.) A. Utilize DHCP option 17. B. Configure WLC IP address on LAN switch. C. Utilize DHCP option 43. D. Configure an ip helper-address on the router interface E. Enable port security on the switch port 155. A customer wants to connect a device to an autonomous Cisco AP configured as a WGB. The WGB is configured properly: however, it fails to associate to a CAPWAP- enabled AP. Which change must be applied in the advanced WLAN settings to resolve this issue? A. Enable Aironet IE. B. Enable passive client. C. Disable AAA override. D. Disable FlexConnect local switching. None 156. When a DNS host record is configured for a new Cisco AireOS WLC, which hostname must be added to allow APs to successfully discover the WLC? A. CONTROLLER-CAPWAP-CISCO B. CISCO-CONTROLLER-CAPWAP C. CAPWAP-CISCO-CONTROLLER D. CISCO-CAPWAP-CONTROLLER None 157. Which DNS lookup does an access point perform when attempting CAPWAP discovery? A. CISCO-DNA-CONTROlLLER.local B. CAPWAP-CONTROLLER.local C. CISCO-CONTROLLER.local D. CISCO-CAPWAP-CONTROLLER.local None 1 out of 157 Please fill in the comment box below. Time's up
