Cloud Networking
Networking delivered through cloud providers, using virtual networks, gateways, and connectivity to on-premises sites.
Cloud networking moves routers, switches, firewalls, and load balancers out of a physical data center and into a provider-managed environment. Administrators define virtual networks, subnets, route tables, and security groups through software rather than hardware. The service models matter because the tenant’s networking responsibility shrinks from IaaS, where you manage the OS and above, through PaaS to SaaS, where the provider manages everything. A key exam distinction is the site-to-site VPN, an encrypted tunnel over the public internet, versus a dedicated direct-connect circuit, which bypasses the internet for lower latency and predictable throughput.
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