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CCNA Practice Test - 55
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A network is converged and the routing tables are complete. When a packet needs to be forwarded, what is the first criterion used to determine the best path in the routing table?
AnswerClick to flip back
A
the route with the longest address and mask match to the destination
💡 Explanation:
The correct answer is B because routers use longest prefix match first - they look for the most specific route (longest subnet mask) that matches the destination IP. AD (administrative distance) is used only when multiple routes exist for the exact same prefix. Bandwidth and metric are considered later in the selection process.