I hate when people make me look at my Network + books again.
Network + Certification Acedemic Learning Series Microsoft 2nd Edition, Published by Microsoft Press, Page 37 Table 2.1 EIA/TIA Cable Categories
Category 5e= 1000Base-T (gigabit ethernet) networks.
I don’t know where you got the above table from but thats is straight from the book and also covered on the test as such.
and here some more information:
You’ll notice the cat 6 is part of the standard the same standard as 5e, cat 7 is not and is still being “developed”
Category 6 Same as Category 5 E, except that it is made to a higher standard (see comparison chart below). The Category 6 standard is now officially part of the 568A standard.
Category 7 Same as Category 6, except that it is made to a higher standard (see comparison chart below). The Category 7 standard is still in the works (as of this writing) and is not yet part of the 568A standard. One major difference with category 7’s construction (as compared with category 5, 5 E, and 6) is that all 4 pairs are individually shielded, and an overall shield enwraps all four pairs. Category 7 will use an entirely new connector (other than the familiar RJ-45).
where did I get this? from here is where