1. Seeing Wi-Fi SSID on Ethernet connection is normal. Both connect to the same network, and OS might just display the familiar Wi-Fi name. No worries, it's just a display quirk. You can rename the connection in settings if you prefer.
2. Frequency range of single mode fiber : Typically used in the 1260 nm to 1625 nm range.
Frequency range of multimode mode fiber : Typically used in the 850 nm to 1300 nm range.
3. How Routing Works:
A device on your local network sends a data packet (like a car) with a destination IP address (like a destination city).
The packet reaches your router (like the highway interchange).
The router checks the destination IP address and routing table (like a map) to determine the best path to the remote network.
The router forwards the packet to the appropriate network (like directing the car onto the correct highway).
4. How Switching Works:
A device sends a data packet (like a car entering the intersection).
The switch checks the destination MAC address in the packet header (like checking the car's destination).
The switch looks up the destination MAC address in its table (like checking a map).
If the destination device is on the same port, the packet is dropped (like the car stays on the same lane).
If the destination device is on a different port, the packet is forwarded to that port (like the car is directed to the appropriate lane).
5. The process you're describing where a device automatically connects to the access point (AP) with the strongest signal when another AP's signal weakens is called Wi-Fi roaming.
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