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DeVry NETW-360 Wireless Tech & Svcs Final [ 2014 ]




Question;Question 1. 1. (TCO 1) Depending on the standard used, WLANs can transmit at speeds anywherefrom 11 Mbps up to 54 Mbps and at distances of up to _____ feet. (Points: 5)110375735220Question 2. 2. (TCO 1) A _____ is an extension of a wired LAN, connecting to it through a devicecalled a wireless access point. (Points: 5)WMANpiconetWLANsatellite linkQuestion 3. 3. (TCO 2) Signal loss due to an object in the path causing the wave to bend is known as_____. (Points: 5)diffractionreflectionrefractiondefractionQuestion 4. 4. (TCO 2) Phase modulation varies the cycle?s _____. (Points: 5)heightstarting pointfrequencyBoth A and CQuestion 5. 5. (TCO 3) The 802.11 series of standards are an example of a _____ standard. (Points:5)universalde jurede factovendorQuestion 6. 6. (TCO 4) An antenna is used to _____. (Points: 5)amplify electric currentamplify signalsconvert radio waves to electromagnetic wavesconvert between electrical current and radio wavesQuestion 7. 7. (TCO 5) An access point contains all of the following parts, except _____. (Points: 5)antennarouterwired network interfaceAll are parts of an access point.Question 8. 8. (TCO 6) Wireless metropolitan area networks (WMAN) can cover an area of up to_____. (Points: 5)50 miles31 miles54 miles12 milesQuestion 9. 9. (TCO 7) The primary reason for obtaining business requirements for the wirelessnetwork is to _____. (Points: 5)determine how long the project will takedetermine how much budget is availableunderstand the reason why the network is neededNone of the aboveQuestion 10. 10. (TCO 8) Access control is a method to address which CIA characteristic ofinformation security? (Points: 5)ConfidentialityIntegrityAvailabilityRepudiationPage 2Question 1. 1. (TCO 9) When using SNMP, the software agent monitors the network and stores theinformation in its _____. (Points: 5)MIBSIBRMONSNAPQuestion 2. 2. (TCO 10) Each of the following is data that many enterprise-level access points canprovide, except _____. (Points: 5)an event logwireless transmission statisticsintercepted packetsEthernet connection statisticsQuestion 3. 3. (TCO 10) IEEE 802.11b/g and Bluetooth devices _____. (Points: 5)coexist with each otherconflict with each otheruse different frequenciesuse the same power levelsQuestion 4. 4. (TCO 9) A SNMP trap refers to _____. (Points: 5)an alert messagea system crasha storage areaa security policyQuestion 5. 5. (TCO 8) The two primary security vulnerabilities in 802.11?s original securitymechanisms were _____. (Points: 5)authentication and authorizationtokens and passesauthentication and encryptionpasswords and plaintextQuestion 6. 6. (TCO 7) Which is not a location in which businesses install wireless networks forincreased employee productivity? (Points: 5)Remote parking lotsLunchroomsCommon areasLobbiesQuestion 7. 7. (TCO 6) IrDA devices connect to which type of network? (Points: 5)WWANWLANWPANWCANQuestion 8. 8. (TCO 5) The bit pattern used in a WLAN direct sequence spread spectrumtransmission is called the _____. (Points: 5)Barker codespectrum keyhexadecimal codeNone of the aboveQuestion 9. 9. (TCO 4) Changes in frequency are illustrated by an up-and-down wave called a _____.(Points: 5)oscillationsine waveAC/DChalf waveQuestion 10. 10. (TCO 3) An access point has a(n) _____ interface that allows it to connect to a wirednetwork. (Points: 5)RJ-11RJ-45RS-232RJ-1GPage 3Question 1. 1. (TCO 1) Explain the 10s and 3s rules for RF math. (Points: 20)Question 2. 2. (TCO 2) Describe three of the most important characteristics of direct sequence spreadspectrum (DSSS). (Points: 20)Question 3. 3. (TCO 3) Describe multipath distortion. What can be done to correct it? (Points: 20)Question 4. 4. (TCO 4) What are de facto standards? (Points: 20)Question 5. 5. (TCO 5) What are the features of a wireless gateway? (Points: 20)Page 4Question 1. 1. (TCO 6) Describe the last mile connection problem. (Points: 20)Question 2. 2. (TCO 7) What should be included in the narrative of a site survey report? (Points: 20)Question 3. 3. (TCO 8) List two ways in which a denial of service (DoS) attack can be launched againsta WLAN. (Points: 20)Question 4. 4. (TCO 9) What is remote monitoring? (Points: 20)Question 5. 5. (TCO 10) Describe the process that wireless devices use to connect to a WLAN.(Points: 20)


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