3 One of the following is used to determine the path that messages should take through the network ered 100 Select one: O a. Firewalls O b. NIC O c. Twisted pairs O d. Answer does not exist One of the following layers is responsible for the delivery of frames from the source to the destination sed 100 Select one: n O a. Network layer O b. Physical layer O c. Transport layer O d. Answer does not exist Clear my choice hp