Questions

Hub works on layer 1 i.e, physical layer.

After the deaths of  Cromwell monarchy was restored and Charles II was made king of England. He and his successor, James II tried to assert the superiority of the monarchy. But feelings against this kind of rule had grown too strong. In 1688, a group of politicians invited William of Orange, the husband of James II's daughter, Mary, and rulers of Holland, to become king. Without firing a shot, William reached London and James II fled to France. The throne was granted to William and Mary Jointly. This event is known as the 'Glorious Revolution' . This revolution marked the triumph of parliament over the monarchy.

Smoke alarms are also necessary in public places like banks, theaters, rest rooms, aeroplanes,...

The Theme of National Press Day 2017 is "Challenges before media".