) For each of the following statements indicate whether it is true for a switch (S), or a router (R), by writing none, one or both of the letters S and R beside the statement. (That is, write the letter if the statement is true for the corresponding device.)

a) Runs IP:

b) Runs a MAC protocol when connected to an Ethernet segment:

c) Extends the geographic coverage and the number of end systems in the network:

d) Can add non-negligible delay to the time to deliver a packet:

e) Can reduce the size of a collision domain:

f) Can reduce the size of a broadcast domain: