Clients
devices that users access the network with
Servers
provide resources to the network
Hubs
older network devices that connect other devices like clients and servers over a local area network
Switches
“smarter hubs” that provide more security and more efficient bandwidth utilization
Wireless Access points (WAPs/APs)
Wireless Access points (WAPs/APs) - Allow wireless devices to connect to a wired network
Firewalls
security barriers between internal networks and the external world (usually the internet)
Routers
used to connect different networks together
Load balancers
Devices or software that distribute network or application traffic across multiple servers
Proxy
acts as an intermediary between a user’s device and the internet
Intrusion Detection Systems (IDS)
Detect unauthorized access or anomalies and alert administrators
Intrusion Prevention Systems (IPS)
not only detect threats, but also take action to prevent intrusion
Controllers
In Software-Defined Networking (SDN) context, these are central units used to manage flow control to networking devices
Network-attached storage (NAS)
Dedicated file storage system that provides data access to a heterogeneous group of clients
Storage Area Network (SAN)
High-speed network that provides access to consolidated block-level data storage
Media
In networking, it refers to the physical materials used to transmit data
Wide Area Network (WAN) link
Used to connect networks over large geographical areas