CompTIA A+ Certification Core 1 (220-1101) - Internet Tiers

The video explains the structure of the Internet, focusing on its division into tiers. Tier 1 providers are large companies that cover the entire USA through peering agreements, despite being competitors. Network Operations Centers facilitate interconnection between these providers. Tier 2 providers have good coverage but pay for some Internet access, while Tier 3 providers, like Comcast, sell Internet services to individuals and corporations. The video highlights the fluidity of these tiers and the competitive nature of the industry.

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