Answer:
4 beeps indicate a Memory Read / Write failure. Try re-seating the Memory module by removing and reinserting it in the slot. This could mean it could've just jiggled loose after a while or dust, there could be a hundred other problems but those are the two most common.n:
About. com that changed its name recently to dotdash is basically a subject directory. It is a colection of blogs articles about various general intrests of writers. Most of the information it contains is not vetted and thus does not qualify as reference point.
Answer:
b. connect two or more network segments that use different data link protocols
Explanation:
A switch is an analog device that allows to interconnect networks, it is possibly one of the devices with a higher level of scalability. It is important to clarify that a Switch does not only provide connectivity with other networks, nor does it provide connectivity with the Internet, for this purpose a router is necessary.