Questions and Answers
What are the four basic operations performed by the network layer?
Addressing, routing, encapsulation, and de-encapsulation
Which statement accurately describes the role of the network layer in the OSI model?
It provides services for data exchange between end devices using IPv4 and IPv6 protocols.
What is the primary function of IP encapsulation at the network layer?
To encapsulate the transport layer segment for reliable communication
In the context of the network layer, what is the purpose of routing tables in a router?
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What are the principle network layer communication protocols mentioned in the module?
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In the context of the network layer characteristics, what is the primary reason why IP is described as 'connectionless'?
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What is a characteristic of IP that contributes to its 'best effort' nature?
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What function does IP rely on other protocols for, due to its unreliability?
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What is the role of the network layer in establishing the Maximum Transmission Unit (MTU)?
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In what scenario would fragmentation occur at Layer 3 of the network?
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