CompTIA Network+ N10-006 Q491

A company is building a new 10Gb Ethernet top of rack network.
Which of the following media is MOST cost-effective for this implementation?

A. CAT5e
B. Multimode fiber
C. Single mode fiber
D. Fibre channel

Correct Answer: B

Explanation/Reference:
http://www.cisco.com/c/en/us/products/collateral/switches/nexus-5000-series-switches/white_paper_c11-522337.html