2023 TCO 1 generates the highest level of reflection Points 5 Marble Bulletproof glass Paper Metal Question 2 2 | Assignment Collections

(TCO 1) _____ generates the highest level of reflection. (Points : 5)

       Marble

       Bulletproof glass

       Paper

       Metal

Question 2. 2. (TCO 1) When an RF signal moves from one medium to another of a different density, the signal actually bends instead of traveling in a straight line. This is known as _____. (Points : 5)

       reflection

       absorption

       refraction

       scattering

Question 3. 3. (TCO 2) Which is the lowest frequency commonly used for unlicensed radio frequency connections? (Points : 5)

       700 GHz

       800 Hz

       800 GHz

       700 MHz

Question 4. 4. (TCO 3) Which is the only part the user of a radio can typically change? (Points : 5)

       The amplifier

       The mixer

       The switch

       The antenna

Question 5. 5. (TCO 4) Which is a problem with standards-based solutions? (Points : 5)

       Standards require all parts come from the same manufacturer.

       Standards are slow to be produced.

       Standards are required by Part 15 of Title 47 of the CFR.

       Standards are proprietary.

Question 6. 6. (TCO 5) In an infrastructure network, the beacon interval is normally set to _____ ms, although it can be modified. (Points : 5)

       1

       10

       100

       1,000

Question 7. 7. (TCO 6) Which is the shape of a Fresnel zone? (Points : 5)

       Circular

       Rectangular

       Ellipsoidal

       Elliptical

Question 8. 8. (TCO 7) Most industry experts recommend one access point for no more than _____ users if they are performing basic e-mail, light web surfing, and occasionally transferring medium-sized files. (Points : 5)

       10

       30

       50

       100

Question 9. 9. (TCO 8) A _____ VPN is a user-to-LAN connection used by remote users. (Points : 5)

       remote-access

       site-to-site

       peer-to-peer

       remote-to-LAN

Question 10. 10. (TCO 8) MAC address filtering is vulnerable because there are programs available that allow users to _____ a MAC address. (Points : 5)

       spoof

       break

       modify

       disable

There are several advantages of digital modulation over analog modulation. What are they? (Points : 20)

Question 2. 2. (TCO 2) Explain the advantages and the disadvantages of 2.4 GHz versus 5 GHz. (Points : 20)

Question 3. 3. (TCO 3) What is an RF amplifier? (Points : 20)

Question 4. 4. (TCO 4) List at least three advantages of standards for wireless technology. (Points : 20)

Question 5. 5. (TCO 5) CSMA/CA reduces collisions by using explicit frame acknowledgment. Describe how frame acknowledgment works. (Points : 20)

       (TCO 6) Describe a geosynchronous earth orbit. (Points : 20)

Question 2. 2. (TCO 7) When should an 802.11a network be installed instead of an 802.11g network? (Points : 20)

Question 3. 3. (TCO 8) What is a dictionary attack? (Points : 20)

Question 4. 4. (TCO 10) What is the difference between radio frequency identification (RFID) and a barcode? (Points : 20)

Question 5. 5. (TCO 9) What is a spectrum analyzer? (Points : 20)