Cisco CCNA Certification Exam 642-105

Which of the following best describes Cat5 cable?

A. Two pairs of twisted copper wire with a frequency limitation of 1MHz.
B. Four pairs of twisted copper 642-105 wire with a frequency limitation of 10MHz.
C. Four pairs of twisted copper wire with a throughput of 100 Mbps.
D. Four pairs of twisted copper wire with a throughput of 1000 Mbps.
Answer: C
Explanation:
Cat5 cable is indeed four pairs of twisted copper wire with a throughput of 100 Mbps.

Incorrect Answers:
A: This describes Cat1 cable.
B: This describes Cat2 cable.
D: This describes Cat5e cable.

References:
David Groth and Dan Newland, A+ Complete 650-575 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