Question One
In your own words, distinguish between the three connecting devices and explain at which layer they operate.
الحلول من شابتر 17 سلايدات 6 و 8 و 19
1- HUB: hub is a device that operates only in the physical layer.
2-switch: switch operates in both the physical and the data-link layers.
3- Routers: the router is a three-layer device; it operates in the physical, data-link, and network layers.
من الافضل تغيير الصيغة حتى لايكونهناك تشابه