NETW 360 Wireless Tech & Svcs Final ExamQuestion 1. 1. (TCO 1) Depending on the standard used, WLANs can transmit at speeds anywhere from 11 Mbps up to 54 Mbps and at distances of up to _____ feet. (Points : 5) 110 375 735 220Question 2. 2. (TCO 1) A _____ is an extension of a wired LAN, connecting to it through a device called a wireless access point. (Points : 5) WMAN piconet WLAN satellite linkQuestion 3. 3. (TCO 2) Signal loss due to an object in the path causing the wave to bend is known as _____. (Points : 5) diffraction reflection refraction defractionQuestion 4. 4. (TCO 2) Phase modulation varies the cycle’s _____. (Points : 5) height starting point frequency Both A and CQuestion 5. 5. (TCO 3) The 802.11 series of standards are an example of a _____ standard. (Points : 5) universal de jure de factovendorQuestion 6. 6. (TCO 4) An antenna is used to _____. (Points : 5) amplify electric current amplify signals convert radio waves to electromagnetic waves convert between electrical current and radio wavesQuestion 7. 7. (TCO 5) An access point contains all of the following parts, except _____. (Points : 5) antenna router wired network interface All 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 miles 31 miles 54 miles 12 milesQuestion 9. 9. (TCO 7) The primary reason for obtaining business requirements for the wireless network is to _____. (Points : 5) determine how long the project will take determine how much budget is available understand the reason why the network is needed None of the aboveQuestion 10. 10. (TCO 8) Access control is a method to address which CIA characteristic of information security? (Points : 5) Confidentiality Integrity Availability RepudiationPage 2 Question 1. 1. (TCO 9) When using SNMP, the software agent monitors the network and stores the information in its _____. (Points : 5) MIB SIB RMON SNAPQuestion 2. 2. (TCO 10) Each of the following is data that many enterprise-level access points can provide, except _____. (Points : 5) an event log wireless transmission statistics intercepted packets Ethernet connection statisticsQuestion 3. 3. (TCO 10) IEEE 802.11b/g and Bluetooth devices _____. (Points : 5) coexist with each other conflict with each other use different frequencies use the same power levelsQuestion 4. 4. (TCO 9) A SNMP trap refers to _____. (Points : 5) an alert message a system crash a storage area a security policyQuestion 5. 5. (TCO 8) The two primary security vulnerabilities in 802.11’s original security mechanisms were _____. (Points : 5) authentication and authorization tokens and passes authentication and encryption passwords and plaintextQuestion 6. 6. (TCO 7) Which is not a location in which businesses install wireless networks for increased employee productivity? (Points : 5) Remote parking lots Lunchrooms Common areas LobbiesQuestion 7. 7. (TCO 6) IrDA devices connect to which type of network? (Points : 5) WWAN WLAN WPAN WCANQuestion 8. 8. (TCO 5) The bit pattern used in a WLAN direct sequence spread spectrum transmission is called the _____. (Points : 5) Barker code spectrum key hexadecimal code None of the aboveQuestion 9. 9. (TCO 4) Changes in frequency are illustrated by an up-and-down wave called a _____. (Points : 5) oscillation sine wave AC/DC half waveQuestion 10. 10. (TCO 3) An access point has a(n) _____ interface that allows it to connect to a wired network. (Points : 5) RJ-11 RJ-45 RS-232 RJ-1GPage 3 Question 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 spread spectrum (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 4 Question 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 against a 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.
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