Shane Walton discusses section 1 of the Cisco CCNA-DC exam in part 1 of a 2 part series dedicated to this section.
640-916 Section 1 Video
Describe network architectures for the data center, the purpose, and functions of various devices (LAN/SAN)
– Describe the modular approach in network design
– Describe the data center core, aggregation, and access layers
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