Page 139 - Computer_Science_F5
P. 139
Computer Science (d) Limited troubleshooting 2. Compare OSI with TCP/IP
(b) Explore how data is processed
guidance: Due to its focus on real-
and transferred through these
world protocols, the TCP/IP model
layers during communication.
might not provide clear guidance for
pinpointing issues within specific
FOR ONLINE READING ONLY
layers compared to the OSI model’s
(a) Analyse the functionalities of
structured approach. Layers:
OSI layers and compare them
with corresponding layers in the
Functions of each layer in network
communication TCP/IP model.
(b) Identify similarities and
differences in terms of protocols,
Activity 3.1:
data encapsulation, and network
communication handling.
Exploring OSI Model Layers and
Comparing with TCP/IP Deliverables:
Write down your findings by outlining
Aim: the functions of each OSI model layer
Understand the functions of OSI and Comparative analysis between
model layers and compare them with OSI and TCP/IP layers. Document
TCP/IP layers to identify similarities your work in a portifolio.
and differences.
Materials: Exercise 3.1
Internet access or Library resources 1. Give examples of different protocols
(optional) that devices use on a network?
Instructions: 2. Besides ensuring smooth data
Use an Internet or library search to exchange, what other advantages do
perform the following: reference models offer in network
communication?
3. How do reference models change
1. Explore OSI model layers: and incorporate new technologies
(a) Research and understand the and network protocols?
distinct functions of each OSI 4. Provide additional real-world
model layer (Physical, Data examples where a standardized
Link, Network, Transport, approach is essential for ensuring
Session, Presentation, communication or compatibility
Application). between different systems?
130
for Advanced Secondary Schools
Computer Science Form 5.indd 130 23/07/2024 12:33
