The best way to differentiate layer 1 protection and layer 2 ...

[Capo]

The best way to differentiate layer 1 protection and layer 2 switching is to view layer 2 switching as alternative virtual circuits and layer 1 as alternative ________ circuits.
 
  Fill in the blank(s) with correct word

Question 2

Routers are layer ________ switching devices that take in packetized information and distribute it through the network by using their IP addresses.
 
  Fill in the blank(s) with correct word

[vkodali]

Answer to Question 1

physical

Answer to Question 2

3, three

[Capo]

Thanks for the timely response, appreciate it

[bulacsom]

Gracias!