By Elimu Assistant Team 
STRAND 2.0: COMPUTER NETWORKING
Sub Strand: 2.4 Network Topologies
Specific Learning Outcomes
By the end of the sub strand, the learner should be able to:
a) explain the terminologies used in network topology,
b) describe the types of topologies used in computer networking,
c) create physical network topologies for computer networks,
d) appreciate the use of network topologies in computer networks.
Suggested Learning Experiences
The learner is guided to:
- brainstorm the definition of network topology, physical network topology, and logical network topology,
- discuss the differences between physical and logical computer network topologies,
- illustrate different types of physical topologies (star, ring, bus, mesh, tree, hybrid),
- simulate a physical network topology using available devices,
- debate the advantages and disadvantages of physical network topologies,
- select the appropriate physical network topology for a given situation,
- during a social gathering, simulate a physical network topology using available devices,
- sensitize peers on the importance of using different physical network topologies during clubs and societies.
Suggested Key Inquiry Question(s)
- How does a network topology affect network performance?
- Why are network topologies important in networking?
Core Competencies to be Developed
Creativity and Imagination: The learner generates new ideas on how to simulate a physical network topology.
Communication and Collaboration: The learner speaks engagingly during debate sessions on the advantages and disadvantages of physical network topologies.
Values
Integrity: The learner utilizes resources sparingly when simulating physical network topologies.
Love: The learner respects others’ opinions as they debate the advantages and disadvantages of physical network topologies.
Pertinent and Contemporary Issues (PCIs)
Citizenship Education: The learner sensitizes peers on the importance of using different physical network topologies.
Suggested Assessment Rubric
| Level | Exceeds expectations | Meets expectations | Approaches expectations | Below expectations |
| Indicator | ||||
| Ability to describe the characteristics of data communication in computer networking | Describes the characteristics of data communication in computer networking, citing examples. | Describes the characteristics of data communication in computer networking. | Describes the characteristics of data communication in computer networking, omitting a few details. | Describes the characteristics of data communication in computer networking, omitting several details. |
| Ability to describe types of transmission media in computer networks | Describes all types of transmission media in computer networks. | Describes most of the types of transmission media in computer networks. | Describes some of the types of transmission media in computer networks. | Describes some of the types of transmission media in computer networks, with assistance. |
| Ability to connect digital devices to a computer network | Connects digital devices to a computer network creatively. | Connects digital devices to a computer network. | Connects some of the digital devices to a computer network. | Connects some of the digital devices to a computer network, with assistance. |
| Ability to create physical network topologies for computer networks | Creates physical network topologies for computer networks proficiently. | Creates physical network topologies for computer networks. | Creates physical network topologies for computer networks, with prompts. | Creates physical network topologies for computer networks, with prompts and assistance. |
This looks like it will need about 3-4 lessons covering:
- Network topology terminology and types
- Physical vs. logical topologies, advantages, and disadvantages
- Practical topology simulation and selection
- Social/community applications and peer sensitization
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