Which is the lowest frequency commonly used for unlicensed radio frequency connections?

December 18, 2015

Which is the lowest frequency commonly used for unlicensed radio frequency connections?

. (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 2.2. (TCO 3) A loss of 10 decibels means that _____% of the power has been lost in mW. (Points : 5)

100

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 1) Which affects the WLAN coverage pattern? (Points : 5)

Wireless network protocols

Objects that interfere with the RF signal

Notebook operating systems

Skill of the person conducting the site survey

Question 5.5. (TCO 4) The Microsoft Windows operating system is an example of _____ standards. (Points : 5)

de jure

consortia-created

request for comments (RFC)

de facto

Question 6.6. (TCO 5) In an infrastructure network, the beacon interval is normally set to _____ ms, although it can be modified. (Points : 5)

100

1,000

Question 7.7. (TCO 6) A free space optics (FSO) connection between two buildings is most impeded by the presence of which weather condition? (Points : 5)

Fog

Rain

Mist

Wind

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)

100

Question 9.9. (TCO 8) _____ was designed to address WEP vulnerabilities with a minimum of inconvenience. (Points : 5)