Question Regarding CAT 3, 4 + 5

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Ok, so i've been studying hard for Net+ lately, and I felt it was time to do a practice test to see how I got on. On reviewing the incorrect answers, im lost.

If I wanted to upgrade my Ethernet network from 10Mbps to 100Mbps, what CAT cable would I need to install?

I answered CAT 3, due to 100BaseT4. The correct answer is showing as CAT 5.


Im unaware if im breaking any agreements by posting the "rough" question on here, but its really confused me. Even in the explaination of the answer, it clearly says 100BaseT4 is 100Mbps with four pairs in CAT 3 cabling.

Any care to explain/help?

Thanks

 

I think the key is that you're upgrading. Take a look at the link below, some good info there.

http://www.zytrax.com/tech/layer_1/cables/tech_lan.htm

 

Question still seems abit cloudy to me, but I understand the thinking behind it, thanks Sparky and BB

 

Almost nobody uses 4pair 100Mbit these days. The norm is 2 pair, as with 10Mbit. Hence needing the better cable.

Harry.