RDP
ARP
RIP
RARP
300
240
250
275
phase modulation
amplitude modulation
both (a) and (b)
none of these
used to transfer user data from layer to layer
used to exchange information by peer entities at different sites on the network to instruct an entity to perform a service function
a combination of service data unit (SDU) and protocol control information (PCI)
a temporary parameter passed between N and N - 1 layers to involve service functions between two layers
physical layer
data link layer
network layer