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.
Walking pneumonia is a non-medical term to describe a mild case of pneumonia. It can also be called atypical pneumonia because the disease is different from more serious cases of pneumonia caused by typical bacteria. Pneumonia is a disease of the lungs that often results from a lung infection.