Answer Happy

. Fig. 1 illustrates how a message is transmitted from
application layer to physical layer in the Internet model of a data
communication network
Use your web browser to connect to a web site of a
non‐Australian university (e.g. in USA or UK). Using the Wireshark
protocol analyser, capture all packets generated in response to
your request for the above web page. For a selected pair of the
first HTTP request‐response lines, write the hex/decimal values of
all fields of the header formats of the transport, network and data
link layers protocols whatever available in your file captured by
Wireshark.
Sender PDU Receiver . The application Layer uses the HTTP protocol Application Layer HTTP Request Packet Application Layer HTTP Request Transport Layer TCP HTTP Request Segment Transport Layer TCP HTTP Request Network Layer IP TCP HTTP Request Packet Network Layer IP TCP HTTP Request • The transport layer uses the TCP (Transmission Control) Protocol • The network layer uses The IP (Internet) Protocol • The data link layer of the ANs typically uses the Ethernet protocol • Protocol Data Units (PDUs) Data Link Layer Ethernet IP TCP HTTP Request Frame Data Link Layer Ethernet Le TCP HTTP Request Physical Layer பாபட் Physical Layer பாபட் Bit Fig. 1: Message transmission through layers.