Theoretical vs. Actual Network Speeds. The performance of Wi-Fi networks practically never approach these theoretical maximums. 802.11b networks, for example, generally operate no faster than about 50 percent of theoretical peak, around 5.5 Mbps. Likewise, 802.11a and 802.11g networks generally run no faster than 20 Mbps.
It is not unusual to see aerobic dance and Zumba, a form of dance to Latin music, offered in neighborhood gyms and community centers. Both have similarities but some differences for participants.
Origin of Zumba fitness. Zumba fitness is always called a happy accident, says Sucheta. One day Alberto Beto Perez, a Colombian who was an aerobics instructor in the early 90s forgot to carry his music tapes for his classes, but he still had to conduct the classes.