Day 31: Network Components and Operation

The following list and Table 1-1 describe network device purposes at each layer of a three-layer hierarchical model:

Access layer devices connect hosts on a local-area network (LAN) to provide access for users.

Distribution layer devices provide connectivity between LANs.

Core layer devices provide high-speed connectivity between distribution layer devices.

Table 1-1. Networking Devices and Their Purposes

Image

Get 31 Days Before Your CCENT Certification now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.