4 Wi-Fi Networks Free Online FlashCards

What technology family is Wi-Fi based on?

Wi-Fi is a wireless local area networking technology based on the IEEE 802.11 family of standards.

What does an access point do?

An access point (AP) communicates by radio with wireless clients and bridges them to the local network, usually over Ethernet.

What functions may a SOHO wireless router combine?

A typical SOHO wireless router combines an AP with routing, switching, and often firewall and DHCP services.

What does Wi-Fi 6E add, and what is required to use it?

Wi-Fi 6E extends Wi-Fi 6 operation into the 6 GHz band; both the AP and client must support 6 GHz.

What are the main range and congestion trade-offs of 2.4 GHz Wi-Fi?

The 2.4 GHz band usually reaches farther and passes through obstacles better, but it has fewer channels and is often crowded.

Which standard and band define Wi-Fi 5?

Wi-Fi 5 uses the 802.11ac standard and operates in the 5 GHz band.

What does an SSID identify?

An SSID is the name a Wi-Fi network advertises; it is a network label, not a password or security feature.

Does hiding an SSID meaningfully secure a Wi-Fi network?

Hiding an SSID does not meaningfully secure a network. Use strong authentication and encryption instead.

What is a Wi-Fi channel, and how can overlap affect performance?

A channel is a portion of a Wi-Fi band used for radio communication. Overlapping nearby channels can compete for airtime or interfere.

How do Wi-Fi authentication and encryption differ?

Authentication determines whether a device or user may join; encryption protects wireless data in transit from unauthorized readers.

Which security settings are recommended for a home or small office?

Prefer WPA3-Personal when all required devices support it; otherwise use WPA2-Personal with AES and a long, unique passphrase.

Which Wi-Fi security modes should be avoided?

WEP and WPA/TKIP are obsolete and should be avoided; an ordinary Wi-Fi network should not be left open.