Cabling products and services are playing a more prominent role in the reliability and operation of data centers and emergency backup systems, which means that even small components of network infrastructures have a significant impact on data center operation, reliability, and cost. Certified cabling installer programs are an important, though often overlooked, component of network infrastructure implementations. Although certified cabling installer programs may be a small piece of the puzzle, these programs often have a significant impact on the warranty, performance, and cost of network infrastructures. There are three common programs in the structured cabling industry: