Wi-Fi range: This is the radius an access point's Wi-Fi signal can reach. Typically, a good Wi-Fi network is most viable within about 150 feet from the access point. This distance, however, changes based on the power of the devices involved, the environment and (most importantly) the Wi-Fi standard. The Wi-Fi standard also determines how fast a wireless connection can be and is the reason Wi-Fi gets complicated and confusing, especially when considering the fact there are multiple Wi-Fi frequency bands.

Frequency bands: These bands are the radio frequencies used by the Wi-Fi standards: 2.4 GHz and 5 GHz. The 2.4 GHz and 5 Ghz bands are currently the most popular, collectively being used in all existing network devices. Generally, the 5 Ghz band delivers faster data rates but a little less range than the 2.4 Ghz band. Note that a 60 GHz band is also used but only by the 802.11ad standard, which is not yet commercially available.

Depending on the standard, some Wi-Fi devices use either the 2.4 GHz or the 5 GHz band, while others that use both of these are called dual-band devices.

Usually, MOS (Microsoft Office Specialist) certification is meant for those keen-sighted to establish proficiency in one or more types of office programs. The specialist makes use of certified knowledge center to increase the productivity of an organization. They are the first line of a computer-related issue for office related software to resolve it.
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