
Reference Models and Network Devices 39
(c) process-to-process delivery
(d) updating routing tables
3. IP is responsible for __________ communica-
tion while TCP is resposible for __________
communication.
(a) process-to-process, host-to-host
(b) host-to-host, process-to-process
(c) process-to-process, node-to-node
(d) node-to-node, host-to-host
4. Which of the following is/are an application
layer service?
(a) File transfer and access
(b) Domain name service
(c) Remote login
(d) All of these
5. To interconnect two homogeneous WANs,
we need a ___________.
(a) bridge (b) gateway
(c) router (d) hub
6. A bridge recognizes the addresses ...