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In a managed circuit-switched network, what happens if there are insufficient network resources available when a new connection is requested?

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When a router receives a packet, what is the primary field it uses to look up the appropriate outgoing interface in its routing table?

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Why is it important for the routing table lookup to be highly efficient and fast?

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What is the purpose of longest prefix matching in a router's routing table?

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What are the two key pieces of information contained in a router's Datagram Forwarding Table?

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How does the router use the Datagram Forwarding Table to make forwarding decisions?

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Where does the longest prefix matching for forwarding decisions occur in a router?

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What are the two main components of a router's internal architecture?

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In the first-generation "switching via memory" router architecture, what was the role of the CPU?

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What were the main limitations of the switching via memory approach?

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