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SAQ 4.1

1

OSI Model and its Layers

What is the name of the Protocol Data Unit (PDU) used by the Application layer?

a)
b)
c)
d)
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2

OSI Model and its Layers

Which layer of the OSI Reference Model is responsible for ensuring that packets are delivered error free, in sequence, and without losses or duplications?

a)
b)
c)
d)
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Next: Network Topology