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Question 1 of 20avTXUuf628anPvbo8S5W

The International Organization for Standardization has developed a seven-level reference model for a packet-radio communications structure. The _______ level arranges the bits into frames and controls data flow.

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Question 1 of 20

avTXUuf628anPvbo8S5W

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🔍 Key Concepts

• OSI (Open Systems Interconnection) model and its 7 layers • Which layer is responsible for framing (grouping bits into frames) • Which layer deals with end-to-end transport vs. local link control

💭 Think About

• Which OSI layer is closest to the physical medium but still works with frames rather than raw bits? • Which layer is in charge of flow control and error detection on a direct connection between two nodes? • Does the transport layer care about frames on a single hop, or about reliable delivery from one host to another across the network?

✅ Before You Answer

• Identify which layer handles frames specifically (not segments, packets, or bits) • Confirm which layer provides flow control and error control over a single link between adjacent nodes • Eliminate options that are not standard OSI layer names or that operate at the wrong scope (end-to-end vs. link-level)

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