Yes, you can curl a wig with sponge curlers or any kind of curlers as long as you dont use any electronic tools on it. If your talking about a human hair wig only then can you â¦ use electronic tools. You can use curlers, and boiling water on a synthetic wig. Put the curlers in the hair, and boil water.
Routers and Layer 3 Switching. While most switches operate at the Data layer (Layer 2) of the OSI Reference Model, some incorporate features of a router and operate at the Network layer (Layer 3) as well. In fact, a Layer 3 switch is incredibly similar to a router.
A firewall generally works at layer 3 and 4 of the OSI model. Layer  3 is the Network Layer where IP works and Layer 4 is the Transport  Layer, where TCP and UDP function.  â¦   Many firewalls today have advanced up the OSI layers and can even  understand Layer 7 - the Application Layer. 1 person found this useful.