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.
The correct answer is: A Walking pneumonia is a mild case of pneumonia. The definition of walking pneumonia simply refers to a mild case of pneumonia, where a person is not seriously ill and does not require bed rest or hospitalization. It is usually caused by mycoplasma pneumoniae (M. pneumonia) bacteria.