Explain wireless networking technologies
5 practice questions under this official exam objective (220-1201) — each with the community-verified answer, a full option-by-option explanation and instant feedback.
What Is the Purpose of NFC?
NFC (Near Field Communication) is a very short-range wireless technology that links exactly two devices when they are tapped or brought within a few c
Bluetooth Is an Example of Which Network Type?
Bluetooth is a short-range wireless technology that forms a wireless personal area network (WPAN) around a single user's devices. This page establishe
Which Wireless Frequency Penetrates Walls Best?
This question tests whether you know that lower-frequency radio waves attenuate less when passing through solid obstacles. It establishes that 2.4 GHz
Channel Width for Wireless Performance in Crowded Areas
When several wireless networks overlap in the same area, channel width management determines how much interference and co-channel contention degrades
Which Technology Suffers Microwave Oven Interference?
Microwave ovens radiate noise in the 2.4 GHz band, which is exactly where legacy Wi-Fi standards operate. This page establishes that 802.11g, running