Chapter 3 - Computer Networking: A
Top-Down Approach, Questions and
answers, VERIFIED.
end systems - ✔✔-transport protocols run in ___
transport layer packets are called - ✔✔-segments
segment(s) - ✔✔-app messages are broken into ____ by the send side, and passed to the network layer
reassembles (into messages) - ✔✔-the receiving side ____ segments and passes them to the app layer
datagram - ✔✔-term for network/IP packets
UDP
TCP - ✔✔-UDP provides unreliable, connectionless service
, TCP provides reliable, connection-oriented service
network layer - ✔✔-logical communication between hosts
transport layer - ✔✔-logical communication between processes
network layer - ✔✔-the *transport layer* relies on and enhances _____ services
multiplexing at sender - ✔✔-handle data from multiple sockets, add transport header
demultiplexing at receiver - ✔✔-use header info to deliver to deliver received segments to the correct
socket
source IP (address), destination IP (address) - ✔✔-in *demultiplexing*, each datagram received by the
host has _____ and ____
transport-layer segment - ✔✔-in *demultiplexing*, each datagram carries a(n) ____
Top-Down Approach, Questions and
answers, VERIFIED.
end systems - ✔✔-transport protocols run in ___
transport layer packets are called - ✔✔-segments
segment(s) - ✔✔-app messages are broken into ____ by the send side, and passed to the network layer
reassembles (into messages) - ✔✔-the receiving side ____ segments and passes them to the app layer
datagram - ✔✔-term for network/IP packets
UDP
TCP - ✔✔-UDP provides unreliable, connectionless service
, TCP provides reliable, connection-oriented service
network layer - ✔✔-logical communication between hosts
transport layer - ✔✔-logical communication between processes
network layer - ✔✔-the *transport layer* relies on and enhances _____ services
multiplexing at sender - ✔✔-handle data from multiple sockets, add transport header
demultiplexing at receiver - ✔✔-use header info to deliver to deliver received segments to the correct
socket
source IP (address), destination IP (address) - ✔✔-in *demultiplexing*, each datagram received by the
host has _____ and ____
transport-layer segment - ✔✔-in *demultiplexing*, each datagram carries a(n) ____
