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.
That's because it's a mild pneumonia and does not generally require hospitalization. In fact, you could have walking pneumonia and not even know it. Here is information about what causes this illness, how it spreads, and what you can do to avoid it.