Computer science

​POE or power over Ethernet can provide both power and network connectivity to remote network devices. POE technology is often used in network cameras, phones and access points. POE simplifies installation of networking devices.

​Firewalls block incoming network traffic therefore they can be used to prevent unauthorized network traffic and access.

​Patch panels are used for network cable management. These are intermediate networking devices before network cables go to a network switch. Patch panels are typically can only be found in server rooms.

​Access points are network devices that transform wireless signals into wired network signals. Access points can be used to extend wireless signal coverage.

​Are managed switches are basic network switches, where managed switches offer advanced network options such as quality of service, and security, they allow remote connectivity to these. Managed services usually used in larger networks, where unmanaged switches are sufficient for basic network operations.

​Network switches used to provide connectivity between devices in a LAN or Local Area Network. Switches retrieve MAC address information from the network packets. Switches establish direct connection for data communication. By utilizing switches vs hubs network collisions are reduced. Network switches support VLANs. There are managed and unmanaged switches. Managed switches provide enhanced functionality such as port mirroring, quality of service (QOS), simple network management protocol (SNMP).