that layer
Transport layer and Network layer.
If devices are within the same network then they operate at the second layer.
In this situation Network Layer may not be required. Data Link Layer can handle communication process. If two devices are communicating from different networks then Network Layer a is must. In this situation Data Link Layer is not enough for completing the communication process as it lacks Routing ability which is the primary function of Network Layer.
Physical Data Link
routers
The function of an internet fax service is to send/receive faxes the same way as a fax machine. But the internet fax service is now a replacement for the aging fax machine.
physical & data link layers
physical and data link
The Marlin 49 uses the same feedthroat as the old-style Model 60.
The model is different, but the vehicles function the same.
layer shading is the same as layer colouring
A great feature of cable packages is that the services can be used at the same time. Not only can one make calls and watch television at the same time, the internet will function simultaneously as well.