January 2021
Beginner
565 pages
19h 27m
English
Content preview from Fundamentals of Communications and Networking, 3rd Edition
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Physical Infrastructures
Networks come in different sizes and shapes. Physical requirements for networks are designed around the physical environment, number of users, and endpoints. This includes network topologies, Layer 2 or Layer 3 networking, and foundational network services. In addition, networks must be able to support the applications needed to support business operations. The building blocks for a network’s physical infrastructure include the following:
- Core or backbone network—This network aggregates network connections. The backbone network acts as the primary highway that aggregates the data center, local area networks (LANs), and the wide area network (WAN) together. The primary function of a backbone network is to provide high-speed ...
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