In a nutshell, attenuation is the loss of transmission signal strength measured in decibels (dB). As attenuation increases, the more distorted and unintelligible the transmission (e.g. a phone call or email you’re trying to send) becomes.
Not only does fiber offer faster speeds than traditional connections, but with more data throughput it allows for larger bandwidth profiles and in most cases are symmetrical meaning 100/100 Mbps. The rise of cloud services like Dropbox and Office 365 have made it essential for businesses to have equal download and upload speeds.