Cisco CCNA Certification 642-105

The Certifyme.com network is based on the star topology and includes a 100BASE-T
switch. You need to connect a new 350-025 host to the 100BASE-T switch. Which cable
would you require?

A. RG-8 coaxial cable.
B. A Category 3 UTP cable.
C. A Category 5 UTP cable.
D. A MultiMode Fiber Optic cable.
E. A Single-Mode Fiber Optic cable.


Answer: C
Explanation:
100BASE-T uses twisted pair cable as indicated by the T in 100BASE-T. 100Base-T has
a transmissions speed of up to 100 Mbps. 642-105 The minimum twisted-pair, copper cable that
can support these speeds are Category 5 cable.

Incorrect Answers:
A: An RG-8 coaxial cable is used for a 10BASE2 network
B: Category 3 UTP cable is rated at only 10 Mbps and is used in 10BASE-T, not
100BASE-T
D, E: 1000BASE-T uses twisted pair cable as indicated by the T in 1000BASE-T,
and not optical cable.

References:
David Groth and Dan Newland, A+ Complete 650-575 Study Guide (2nd Edition), Sybex,
Alameda CA, 2002, pp. 325,327.
Leading the way in IT testing and certification tools, www.certifyme.com
- 423 -


David Groth and Toby Skandier, Network+ Study 642-961 Guide (4th Edition), Sybex, Alameda
CA, 2005, pp. 20-21, 23, 144