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 recovery is possible even without drugs, at least if the infection is very minor. This is not recommended, though, since it can take a lot longer for the body to get rid of the disease. Yet, non-drug recovery is possible with walking pneumonia.