When connecting devices which kind of interface (serial, console, ethernet) is best to use for the following?
a. router to router
b. router to switch
c. router to server
d. switch to pc

A) Router to router:

   The best way to connect router to router is by using the ethernet. The set of one ethernet use the dynamic host configuration protocol (DHCP)and another use the static type.

B) Router to switch:  

   Ethernet is the best way to connect router to switch. In this ethernet cable are use to connect local area network(LAN) port to router ion the network.

C) Router to server:

    The best way to connect the router to server is by using the interface console for the purpose of management the system. It directly connect the computer with the router and switch.

D) Switch to PC:

 Ethernet is used to connect switch to the personal computer as, the one end of the ethernet cable is connected to another end. By using the ethernet slot we can connect internet in the network.