Information Technology Reference
In-Depth Information
This chapter covers the following topics needed to master the CCIE Routing and Switching
(R&S) written exam:
•
OSI reference model
—The seven layers of the OSI reference model and protocols at
each layer
•
Numeric conversion
—The numeric conversion between binary, decimal, and
hexadecimal numbers
•
General routing concepts
—The hierarchical model for networks, general network
devices, routing protocol types and characteristics, and routing protocol metrics
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