Topologías Contreras

Topología de bus:

http://www.jigsawplanet.com/?rc=play&pid=0e96b188b7eb

Topología de estrella:

http://www.jigsawplanet.com/?rc=play&pid=2278158af517

Topologìa anillo:

http://www.jigsawplanet.com/?rc=play&pid=009a6f784e49