But how and what causes these changes to the earthâs surface? There are basically 2 types of changes that occur to the earthâs surface (i) Slow change and (ii) fast change. Fast changes occur through the actions of Earthquakes, volcanoes, landslides, etc. while slow change takes time and has a process.
People used to use hubs over switches because switches were much more expensive than hubs, but nowadays it's pretty standard to get a switch if you have several devices on the network since they're both around the same price. dbhosttexas. February 13, 2013 4:14:00 PM.
A Layer 3 switch works much like a router because it has the same IP routing table for lookups and it forms a broadcast domain. 1  The layer 3 switch looks like a switch. It has 24+ Ethernet ports and no WAN interfaces.  The layer 3 switch will act like a switch when it is connecting devices that are on the same network.