What is the minimum cable rating required for a 1000BASE-TX network?
A.
CAT3.
B.
CAT5.
C.
CAT5e.
D.
CAT6.
Explanation:
A 1000BASE-TX network operates at up to 10000 Mbps. The minimum cable rating that can
support this speed is CAT5e cable, which is rated at up to 1000 Mbps while CAT5 cable is rated at
up to 100 Mbps only.
Incorrect Answers:
A: A 1000BASE-TX network operates at up to 10000 Mbps while CAT3 cable is rated at up to 16
Mbps only.
B: A 1000BASE-TX network operates at up to 10000 Mbps while CAT5 cable is rated at up to 100
Mbps only.
D: A 1000BASE-TX network operates at up to 1000 Mbps. CAT5e cable is rated at up to1000
Mbps, while CAT6 cable is rated at over 1000 Mbps. Thus CAT5e is the minimum cable rating
required to fully support a 1000BASE-TX network.References:David Groth and Dan Newland, A+
Complete Study Guide (2nd Edition), Sybex, Alameda CA, 2002, pp. 325,327.David Groth and
Toby Skandier, Network+ Study Guide (4th Edition), Sybex, Alameda CA, 2005, pp. 20-21, 23,
144.