Right, got my core+ tommorow, now reading through
http://www.techexams.net/technotes/basicnet.shtml
and looking at the cat values for the ethernet cables for twisted pair, yours states different to Mike Meyers book:
cat1 standard phone line
cat2 up to 4Mbps
cat3 up to 16Mbps
cat4 up to 20Mbps
cat5 up to 100Mbps
Who is correct???? HELP