B#Wlan4SE Q 1. 802.11 works at the 900 Mhz band. ^A. True ^B. False ^C. This is not always true – must be judge case by case. B#Wlan4SE Q 2. The maximum transmission speed of 802.11 is _______ Mbps. ^A. 1 ^B. 2 ^C. 15 ^D. 10 A#Wlan4SE Q 3. In ad-hoc mode, what acts as a communication hub for users of a wireless device to connect to a wired LAN? ^A. DSS ^B. ISSS ^C. CSD ^D. AP B#Wlan4SE Q 4. Which 802.11 standard is also referred to as 802.11 High rate? ^A. 802.1x ^B. 802.11a ^C. 802.11b A#Wlan4SE Q 5. 802.11 can make use of direct sequence spread spectrum only when running at the 5 Ghz band. ^A. False ^B. True ^C. This is not always true – must be judge case by case. A#Wlan4SE Q 6. Ad-hoc mode is generally good for small group of informal use. ^A. True ^B. This is not always true – must be judged case by case ^C. False A,B#Wlan4SE Q 7. What differentiates the FCC and ETSI regulations pertaining to 802.11b Wireless LANs? (Choose two.) ^A. power output of the radio ^B. number of defined channels ^C. number of clients allowed per Access Point ^D. type of antenna connector used on Access Points A#Wlan4SE Q 8. 802.11b supports the use of orthogonal frequency division multiplexing at which band? ^A. 5 GHz ^B. 2.4 GHz ^C. 900MHz ^D. 1.2 GHz B#Wlan4SE Q 9. All Cisco Aironet 350 Series client adapters are IEEE 802.11g compliant. ^A. True ^B. False B#Wlan4SE Q 10. With Ad-Hoc mode, an AP is: ^A. needed ^B. not needed ^C. This is hard to say – must be judged case by case. C#Wlan4SE Q 11. In infrastructure mode, devices communicate with each other MUST first go through an Access Point. ^A. This is not always true – must be judged case by case ^B. False ^C. True D#Wlan4SE Q 12. If the power output of a radio is equal to 100 mW, what is its equivalent rating in dBm? ^A. 5dBm ^B. 10 dBm ^C. 15 dBm ^D. 20 dBm A#Wlan4SE Q 13. Cisco LEAP is also known as: ^A. EAP Cisco Wireless ^B. Aironet Secure ^C. Cisco Secure Works ^D. Cisco Dial-in User Service Extended Service Set #Wlan4SE Q 14. What does ESS stand for? D#Wlan4SE Q 15. An 802.11a radio utilizes what technique to transmit its signal? ^A. IR ^B. DSSS ^C. FHSS ^D. OFDM Basic Service Set #Wlan4SE Q 17. What does BSS stand for? isotropic #18. The designator dBi is a decibel referenced to a(an) _________ radiator. D#Wlan4SE Q 19. 802.11a has a max throughput of ________ Mbps transmission. ^A. 2 ^B. 11 ^C. 2.4 ^D. 54 D#Wlan4SE Q 20. Most small informal wireless LANs operate in _________ mode. ^A. Extended ^B. Basic ^C. Infrastructure ^D. Ad-hoc B#Wlan4SE Q 21An antenna is rated at 0 dB^D. What is its rating in dBi? ^A. 1 ^B. 2.14 ^C. 3.1 ^D. 3.6 A#Wlan4SE Q 22. 802.11 supports the use of frequency hopping spread spectrum. ^A. True ^B. This is not always true – must be judged case by case ^C. False C#Wlan4SE Q 23. Network managers are using WLANs due to the need for: ^A. security ^B. performance ^C. flexibility ^D. cost savings B#Wlan4SE Q 24. What is EIRP? ^A. Effective Intermittent Radio Power ^B. Effective Isotropic Radiated Power ^C. Elevated Intermittent Radiated Power ^D. Effective Inernational Radiated Power A#Wlan4SE Q 25. What is necessary to determine the placement of the individual Access Points? ^A. site survey ^B. program analysis ^C. hop count to gateway ^D. Nothing needs to be done if fewer than 11 Access Points are used. A#Wlan4SE Q 26. Most wireless LAN technologies in use today are based on RF field propagation. ^A. True ^B. False ^C. This is not always true – must be judged case by case A,B,C#Wlan4SE Q 27. Which three variables directly affect the EIRP value of an RF system (Choose three.) ^A. power of radio ^B. gain of antenna ^C. length of cabling ^D. receiver sensitivity of radio B#Wlan4SE Q 28. There are 11 channels defined within the North American Direct Sequence channel set. How many of these channels do not overlap? ^A. 2 ^B. 3 B#Wlan4SE Q 29. The 802.11 standard supports open and shared-key authentication when RADIUS is configured properly. ^A. True ^B. False ^C. This is not always true – must be judged case by case A,D#Wlan4SE Q 30. Installing antenna extension cable decreases ________- (Choose two.) ^A. the coverage distance ^B. the antenna's bandwidth ^C. the antenna's angle of radiation ^D. effective isotropic radiated power B#Wlan4SE Q 31. A customer wants a LAN inside their historical building for administration purposes and for selling souvenirs. ^ They are unable to run Ethernet due to the fact the building cannot be marred in any way. ^ You recommend a wireless LAN but when doing your site survey you find that one will not cover the whole building. ^ What is your recommendation? ^A. use a diversity antenna system for better coverage ^B. use a wireless repeater to help cover the other areas ^C. place an ampliefier on the Access Point for more power ^D. increase the power output of the radio with version 10.10T (or greater) of the Access Point firmware. A#Wlan4SE Q 32. An SSID prevents access by any client device that does not have the SDID. ^A. True ^B. False ^C. This is not always true – must be judged case by case C#Wlan4SE Q 33. A customer has a current site with an omni-directional antenn^A. It has 50 ft. of cabling that they are increasing to 100 ft. ^ This change in cabling could ________. ^A. increase the data rate ^B. increase the coverage area ^C. decrease the coverage area ^D. decrease the angle of radiation from the antenna C,D#Wlan4SE Q 34. The 350 series Access Points programmed with U.S. channel sets have the option to reduce the power output to control the area of coverage. ^ The power settings are 100mW, 50 mW, 30 mW, 20 mW, 5 mW, and 1 mW. ^ How does this allow the Access Points to be very scalable? (Choose two.) ^A. The receiver sensitivity decreases. ^B. The receiver sensitivity increases. ^C. You can create smaller coverage patterns. ^D. While covering the same floor, you can increase the ratio of Access Points to clients when it is set at 1 mW rather than 100mW. B#Wlan4SE Q 35. Cisco Aironet 350 Series Client Adapters are available in what formats for notebook computers? (Choose all that apply.) ^A. PCI ^B. PCI Card ^C. ISA ^D. VISA A#Wlan4SE Q 36. What is the increase in energy that an antenna appears to add to an RF signal? ^A. gain ^B. VSWR ^C. bandwidth ^D. polarization C#Wlan4SE Q 37. A school has an external classroom in a trailer located next to the main school building. ^ There are six computers in the remote classroom that need to connect to the main school. ^ The main school building already has a Cisco Access Point infrastructure located within it.^ What wireless product would best connect the classroom to the main building? ^A. bridge ^B. Access Point ^C. Workgroup Bridge (WGB) ^D. wireless PCI clients in every computer B#Wlan4SE Q 38. WEP key is _______. ^A. highly secure ^B. breakable ^C. always safe D#Wlan4SE Q 39. What is the angle of coverage that an antenna radiates? ^A. gain ^B. diversity ^C. bandwidth ^D. beamwidth ^E. Fresnel zone D#Wlan4SE Q 40. What is the maximum number of wired clients that can send packets through the WGB342 to an Access point? ^A. 2 ^B. 4 ^C. 6 ^D. 8 C#Wlan4SE Q 41. With a WLAN, any WLAN client within an access point service area can receive data transmitted to or from the access as long as both devices are of the same brand. ^A. True ^B. This is hard to say – depends on the structure ^C. False B#Wlan4SE Q 42. An omni-directional antenna that is designated to radiate at a slight angle rather than at 90 degrees from the vertical element has __________. ^A. gain ^B. downtilt ^C. beamwidth ^D. sectorization B,C#Wlan4SE Q 43. In adhoc mode, the Cisco Aironet wireless PCMCIA client can talk to which two devices? (Choose two.) ^A. Cisco Aironet Access Points ^B. Cisco Aironet PCI wireless adaptor ^C. Cisco Aironet PCMCIA wireless adaptor ^D. Cisco Aironet Workgroup Bridge (WGB) A#Wlan4SE Q 44. 802.11b supports the use of orthogonal frequency division multiplexing at which band? ^A. 5 GHz ^B. 2.4 GHz ^C. 900MHz ^D. 1.2 GHz A,D#Wlan4SE Q 45. Which two statements are true when the gain of an omni-directional antenna increases? (Choose two.) ^A. The coverage distance increases. ^B. The coverage distance decreases. ^C. The coverage increases directly above and below the antenna. ^D. The coverage decreases directly above and below the antenna. D#Wlan4SE Q 46. Which statement is true about a peer-to-peer connection (ad hoc mode)? ^A. It requires a bridge to connect two or more wireless clients. ^B. It requires an Access Point to connect two or more wireless clients. ^C. It needs both an Access Point and BR to connect the wireless clients. ^D. It allows you to connect wireless clients without the use of an Access Point or BR. A#Wlan4SE Q 47. In general, it is not easy for an administrator to detect that an unauthorized user has infiltrated the WLAN. ^A. True ^B. This is not always true – must be judged case by case ^C. False B#Wlan4SE Q 48. The antennas that Cisco sells for the Aironet product line are polarized in what fashion? ^A. spatial ^B. vertical ^C. horizontal ^D. antenna dependent A,B#Wlan4SE Q 49. The in-line power injector that is supplied with the 350 series Access Point can power which two devices? (Choose two.) ^A. Cisco Aironet 350 series bridge ^B. Cisco Aironet 350 series Access Point ^C. Cisco Aironet 340 series Access Point ^D. Cisco Aironet 350 Workgroup Bridge (WGB) A#Wlan4SE Q 50. Wireless LAN uses… ^A. collision avoidance ^B. collision recovery ^C. collision detection B#Wlan4SE Q 51. The 2.4 GHz 6 dBi patch antenna has what vertical beamwidth? ^A. 21.5 degrees ^B. 65 degrees ^C. 85 degrees ^D. 170 degrees C,D#Wlan4SE Q 52. Which two can power the Cisco Aironet 350 series Access Points? (Choose two.) ^A. Cisco 1751 router ^B. Cisco 2924-XL switch ^C. Cisco 3524-PWR-XL switch ^D. Cisco Cat6K switch with WS-X6348 blade C#Wlan4SE Q 53. Network managers are using WLANs due to the need for: ^A. security ^B. performance ^C. flexibility ^D. cost savings A,C#Wlan4SE Q 54. Which two Cisco Aironet antennas are directional antennas? (Choose two.) ^A. 6 dBi patch ^B. 2.14 dipole ^C. 13.5 dBi Yagi ^D. 5.2 dBi Diversity pillar mount A,D#Wlan4SE Q 55. Which two devices from Cisco allow for the wireless connection of two wired LANs? (Choose two.) ^A. bridge ^B. Access Point ^C. wireless client ^D. Workgroup Bridge (WGB) aironet Client Utility#Wlan4SE Q 56. All Cisco wireless client adapters include the Cisco ACU. What does the ACU stand for? A#Wlan4SE Q 57. Which Cisco antenna has the narrowest angle of radiation? ^A. 21 dBi dish ^B. 6 dBi patch ^C. 13.5 dBi Yagi ^D. 8.5 dBi patch A,B#Wlan4SE Q 58. Which two devices allow wireless 802.11b clients the ability to communicate with a wired LAN? (Choose two.) ^A. bridge ^B. Access Point ^C. 802.11b PCMCIA card ^D. Workgroup Bridge (WGB) A#Wlan4SE Q 59. Hopping code is found in…. ^A. FHSS ^B. DSSS ^C. CDDS ^D. CSMA/CD A#Wlan4SE Q 60. The anomaly that occurs when RF signals bounce off of objects and are received out of phase at the receiver is often referred to as _____________. ^A. multipath ^B. a Fresnel zone ^C. signal absorption ^D. microwave interference B#Wlan4SE Q 61. Which product radio type is considered by WECA to be WiFi compliant? ^A. 802.11 FHSS products ^B. 802.11b DSSS products ^C. 802.11b FHSS products ^D. 802.11 DSSS 1 and 2 Mbps products D#Wlan4SE Q 62. Current FCC regulations require WLAN product manufacturers to use a maximum dwell time of ________ ms. ^A. 100 ^B. 200 ^C. 300 ^D. 400 C#Wlan4SE Q 63. What occurs when a tree or other foliage is in the direct path between the transmitter and receiver of a 2.4 GHz signal? ^A. The signal is reflected. ^B. The signal is refracted. ^C. The signal is absorbed. ^D. The signal is diffracted. C#Wlan4SE Q 64. What is the seal that is issued by WECA to show that a product has passed interoperability testing with other manufacturer's 802.11b products? ^A. HiFi ^B. WHY ^C. WiFi ^D. WECA A#Wlan4SE Q 65. DSSS is a form of…. ^A. spread spectrum radio ^B. user rate radio ^C. spreading ratio ^D. input parameter ^E. output parameter B#Wlan4SE Q 66. Which specific antenna architecture is used to help eliminate RF null areas of coverage? ^A. splitters ^B. diversity ^C. high gain omni ^D. patch antennas D#Wlan4SE Q 67. Which IEEE 802.11 task group is responsible for the development of WLAN security standards? ^A. 802.11d ^B. 802.11e ^C. 802.11f ^D. 802.11i B#Wlan4SE Q 68. 802.11b operates using lower frequencies than 802.11a. ^A. False ^B. True ^C. This is not always true – must be judged case by case A,B#Wlan4SE Q 69. Why is antenna diversity useful? (Choose two.) ^A. It alleviates null zones. ^B. It helps to overcome multi-path distortion. ^C. It allows the Access Point to cover two different cells. ^D. It adds more coverage area by using a directional antenna. A#Wlan4SE Q 70. Because of some timing specifications in the 802.11 standard, what is the maximum distance that an Access Point can reliably connect to a client? ^A. approximately 1 mile or 1.6 km ^B. approximately 2 miles or 3.2 km ^C. 25+ miles or 40+ km ^D. no limit B#Wlan4SE Q 71. A directional antenna focuses the RF signal more in one direction than others, thus decreasing the range more in that direction. ^A. True ^B. False ^C. This is not always true – must be judged case by case D#Wlan4SE Q 72. How many channels in the 2.4 GHz band are available in an ETSI regulated country? ^A. 9 ^B. 10 ^C. 11 ^D. 13 ^E. 14 B,D,D#Wlan4SE Q 73. When doing a survey in a hospital application, which three should you consider? (Choose three.) ^A. pagers ^B. fire doors ^C. televisions ^D. microwave ovens ^E. radiology/X-ray areas B#Wlan4SE Q 74. 802.11b access points generally offer greater range than 802.11a. ^A. This is not always true – must be judged case by case ^B. True ^C. False A,B#Wlan4SE Q 75. What differentiates the FCC and ETSI regulations pertaining to 802.11b Wireless LANs? (Choose two.) ^A. power output of the radio ^B. number of defined channels ^C. number of clients allowed per Access Point ^D. type of antenna connector used on Access Points B,C#Wlan4SE Q 76. What are two possible sources of interference for 802.1b devices in a home environment? (Choose two.) ^A. cellular phones ^B. cordless phones¨ ^C. microwave ovens ^D. satellite dish receivers B#Wlan4SE Q 77. Cisco Aironet 1200 Series support both 802.11a and 802.11g. ^A. True ^B. False ^C. This is not always true – must be judged case by case B#Wlan4SE Q 78. What is the highest transmission speed achievable with an IEEE 802.11b compatible radio? ^A. 2 Mbps ^B. 11 Mbps ^C. 15 Mbps ^D. 22 Mbps ^E. 54 Mbps C,F#Wlan4SE Q 79. Which 5 GHz bands in the United States are designated for outdoor use only? (Choose two.) ^A. UNII-1 ^B. UNII-2 ^C. UNII-3 ^D. 5.15-5.25 GHz ^E. 5.25-5.35 GHz ^F. 5.725-5.825 GHz C#Wlan4SE Q 80. When performing the RF site survey, for maximum throughput your goal will be ensure that access points are placed in a manner where the edge of the access point's propagation overlaps the propagation of the adjacent access point. ^A. False ^B. This is not always true – must be judged case by case ^C. True D#Wlan4SE Q 81. An 802.11a radio utilizes what technique to transmit its signal? ^A. IR ^B. DSSS ^C. FHSS ^D. OFDM A#Wlan4SE Q 82. How many channels are defined for use in the UNII.-1 band under 802.11a standards? ^A. 4 ^B. 8 ^C. 11 ^D. 13 B#Wlan4SE Q 83. When performing the RF site survey, in general you should choose a location that enables the access point antenna to have minimum line-of-sight propagation with the clients. ^A. True ^B. False ^C. This is not always true – must be judged case by case A,C,E,F#Wlan4SE Q 84. In the U.S., no licensing is required for which four RF bands? (Choose four.) ^A. 902-928 MHz ^B. 800-820 MHz ^C. 2.400-2.483 GHz ^D. 2.500-2.600 GHz ^E. 5.150-5.350 GHz ^F. 5.725-5.825 GHz C#Wlan4SE Q 85. After June 1994, FCC and DOC regulations require all antenna connectiors to be proprietary (unique and non-standard). Cisco/Aironet has since used what connector on its Access Points and bridges? ^A. BNC ^B. RP-SMA ^C. RP-TNC ^D. N-connector Wi-Fi #Wlan4SE Q 86. WECA was an organization promoting what wireless technology brand name? A#Wlan4SE Q 87. The wireless medium of Cisco Aironet 350 Series Client Adapters is FHSS. ^A. False ^B. True ^C. This is not always true – must be judged case by case D#Wlan4SE Q 88. What is the max transmission speed of 802.11b in 900 MHz band? ^A. 50 ^B. 24 ^C. 54 ^D. 11 D#Wlan4SE Q 89. CSMA/CA is a… ^A. feature no longer supported by Cisco ^B. media security protocol ^C. feature no longer supported by the latest WLAN standards ^D. media access protocol milliwatt#Wlan4SE Q 90. The designator dBm is a decibel referenced to a(n) _____________. A,C#Wlan4SE Q 117. When using WEP key hashing to enhance security, which two values are hashed together to create the per packet WEP key? (Choose two) ^A. WEP key ^B. CRC value ^C. Initialization Vector (IV) ^D. Nearest prime number to WEP key