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 simply a milder case of pneumonia. It can be caused by a number of different types of bacteria and viruses. The most common organism responsible is the bacteria Mycoplasma pneumoniae. The viruses and bacteria that cause walking pneumonia are contagious. However, it is unlikely that a person with walking pneumonia would give another person this condition. Instead, when spread, these germs are more likely to cause upper respiratory infections such as the common cold or flu.