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Networking Interview Questions & Answers

Networking Technical Interview Questions

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What is the difference between a switch and a router?

A conventional Ethernet switch forwards frames within a network using learned MAC address information. A router forwards packets between IP networks according to routes and policy. A home device may c...

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What does a subnet mask tell you, and how many conventional usable host addresses are in a /26 IPv4 subnet?

The prefix length identifies the network portion of an IPv4 address. A /26 leaves six host bits, giving 64 total addresses. In a conventional multi-access subnet, one is the network address and one is...

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