HELP ME DADDY Which statement accurately describes a digital signature?

It protects the digital software that users access and apply.
It protects data from a database as it travels across the internet.
It prevents other users from accessing from an unsecured network.
It prevents other people from opening the software in other locations.

Stone, two or three feet thick, the door of wood and iron, a foot thick, and the iron grating which strained the light, i could not being struck with the foolishness of that institution which treated me as if i were mere flesh and blood and bones, to be locked up. i wondered that it should have concluded at length that this was the best use it could put me to, and had never thought to avail itself of my services in some way. i saw that, if there was a wall of stone between me and my townsmen, there was a still more difficult one to climb or break through before they could get to be as free as i was. i did not for a moment feel confined, and the walls seemed a great waste of stone and mortar. i felt as if i alone of all my townsmen had paid my tax. — “civil disobedience,” henry david thoreau based on this passage, how did thoreau feel about his confinement?

Which example is presented in chronological

If the story "two kinds " has been told through suyuan's point of view, what type of narration would be appropriate