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Concise explanations of key technical topics found on Cisco's® CCNA™, CCNP™, and CCIE™ exams

Author: Howard C. Berkowitz

Focus: CCIE R&S;

Issue Date: Oct 29, 2022

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Gigabit and Ten Gigabit Ethernet

Gigabit Ethernet used to be awe-inspiring in its blazing speed. As in Hollywood, the networking world can be fickle when it comes to keeping superstar status. Ten gigabit Ethernet is now shipping for Cisco high-end products, and optical multiplexing technology allows large numbers of 10 Gbps, or its WAN equivalent, OC-192, to share the same fiber.

This Study Guide will touch on some relevant optical technologies and standards you are likely to encounter if you are studying optical technology for CCIE or CCNP specialist exams, including the market trend toward Metro Ethernet as the dominant means of customer interconnection, and, in coordination with other technologies, becoming a basic Service Provider technology.

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