How Do Routers Find The Shortest Path?

How can I get unlimited UC in PUBG? .

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What is API and different types of API? .

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Is using VPN dangerous? .

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Why star topology is more reliable? .

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What is the full form of Param? .

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What is CPU short answer? .

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Where can I get a $10000 loan with bad credit? .

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How do I get basic channels for free? .

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Which technology is used to find the shortest path between routers?