The OSI Model (7 marks)
Describe the purpose of three specific layers in the 7-layer Open Systems Interconnection (OSI) model: the Transport layer, the Network layer, and the Application layer.
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Questions
Importance of Networking Standards (3 marks)
Explain why networking standards are crucial for computer networks. Discuss their role in compatibility and communication efficiency.
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Network Hardware (6 marks)
Describe the roles of routers, switches, and wireless access points in a network. For each device, provide one primary function and one additional function.
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Network Topologies (4 marks)
Compare and contrast star and mesh network topologies. Discuss one advantage and one disadvantage for each topology mentioned.
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Characteristics of Networks (2 marks)
Explain the advantages and disadvantages of using a network compared to standalone computers. Provide one advantage and one disadvantage.
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Boolean Algebra Simplification (3 mark)
Simplify the Boolean expression to its simplest form: (D . 0) + (D . 1)
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Simplify Some Boolean Algebra (1 mark)
Using Boolean algebra rules, simplify the expression: (B + C) . (B + C)
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Simplifying Boolean Algebra (1 mark)
Simplify the following Boolean expression using Boolean algebra rules: A + A
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Simplifying Boolean Algebra (3 marks)
Simplify the following Boolean expression using Boolean algebra rules: (X . ‘X) + Y
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OR and XOR Logical Operators (3 marks)
Explain the difference between the OR and XOR logical operators.
OR and XOR Logical Operators (3 marks) Read More »
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