COMPTIA A+ 220-1001: WIRELESS NETWORKING PROTOCOLS

Which channels are typically considered to be good candidates for a Wi-Fi device operating in the 2.4 GHz band?

1, 6 and 11

Which general statement correctly differentiates between the 2.4 GHz and the 5 GHz frequency bands?

2.4 GHz is generally able to carry farther than 5 GHz

Which cellular service generation first introduced support for mobile internet access and features such as video calling?

3G

Over which frequency does 802.11a operate?

5 GHz

Which maximum bandwidth speed was available when using 802.11g?

54 Mbps

Zigbee and Z-Wave are most likely to be found in which implementation?

A smart home

Which application would be best suited to using Near Filed Communications (NFC)

Payment system

The 2.4 GHz band is divided up into how many channels when using bluetooth devices?

79

802.11n offered improvements over earlier Wi-Fi implementations by primarily adding which features?

Increased signal intensity and More antennas

what is a common connection issue with 802.11b that is not as prevalent with 802.11a?

Interference

Which capability was introduced by 802.11ac that no previous Wi-Fi standard could offer?

Using Dual band signaling