A metropolitan area network (MAN) is a hybrid between a LAN and a WAN. Storage area networks (SANs) provide a high-speed infrastructure to move data between storage devices and file servers. Advantage. 1  Performance is fast.  Availability is high because of the redundancy features available.
Walking pneumonia is generally treated with antibiotics. Mild infections are often not treated because they tend to clear on their own. With treatment, most people begin to feel better within a few days.
This type of pneumonia often comes about due to a lung infection from the bacterium Mycoplasma pneumoniae. The contagious period is typically 10 days. Walking pneumonia (2) is more common in military recruits, school-aged children, and those under 40.