Managed switches these switches have one or more methods to modify the operation of the switch.
Common management methods include: a command-line interface (CLI) accessed via serial console, telnet or Secure Shell, an embedded Simple Network Management Protocol (SNMP) agent allowing management from a remote console or management station, or a web interface for management from a web browser.
Incorrect:
not A: Unmanaged switches are basic plug-and-play switches with no remote configuration, management, or monitoring options, although many can be locally monitored and configured via LED indicators and DIP switches.
Not B: Hubs cannot be managed.
Not C: Switches are faster than routers.