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




Question 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;220;Question 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 link;Question 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;defraction;Question 4. 4. (TCO 2) Phase modulation varies the cycle?s _____. (Points: 5);height;starting point;frequency;Both A and C;Question 5. 5. (TCO 3) The 802.11 series of standards are an example of a _____ standard. (Points;5);universal;de jure;de facto;vendor;Question 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 waves;Question 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 miles;Question 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 above;Question 10. 10. (TCO 8) Access control is a method to address which CIA characteristic of;information security? (Points: 5);Confidentiality;Integrity;Availability;Repudiation;Page 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;SNAP;Question 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 statistics;Question 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 levels;Question 4. 4. (TCO 9) A SNMP trap refers to _____. (Points: 5);an alert message;a system crash;a storage area;a security policy;Question 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 plaintext;Question 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;Lobbies;Question 7. 7. (TCO 6) IrDA devices connect to which type of network? (Points: 5);WWAN;WLAN;WPAN;WCAN;Question 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 above;Question 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 wave;Question 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-1G;Page 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.;(Points: 20)


Paper#30226 | Written in 18-Jul-2015

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