Answer:
C
Explanation:
Predicate methods typically test a condition and do not modify the object on which they're called.
A small hard drive typically has only one platter, but each side of it has a magnetic coating. Bigger drives have a series of platters stacked on a central spindle, with a small gap in between them. The platters rotate at up to 10,000 revolutions per minute so the read-write heads can access any part of them.
The answer is Service Set Identifier or SSID.
Every wireless router sends out a beacon signal to allow other devices such as laptops, wifi printers, personal cellphones when set to look for and connect to the routers SSID. This SSID can also be shut off or hidden from public domains so not every person stopping by can try to connect to the router via the SSID. Usually you must have a password to follow an attempt to connect to the exact wireless router.
