1. The internet has backup files and a greater authoritative figure can easily see the history on the photo, etc. Some apps have save files no matter what and can track the post, photo, and when and why it was deleted. The impression the photo left on people may not be left either.
2. The zoo can be breaking the law because even though they store the information safely, they do not have the visitors consent to having their information.
Fault Tolerance basically refers to the feature or capability of a system to keeps on working and performing its operations without interruption in case of a failure.
This failure can be the failure of one or more of its components.
This is beneficial as the system does not stop working or fail completely.
It provides copies of the same system or backup components which can be used when the existing system fails and prevents the loss of information and services.
Accessibility refers to provide equal services for everyone who uses a system. So its not a correct option.
Moore’s law states that the computing speed and power will double every two years so its not a correct option as well.
Anti virus is a software to identify, prevent and remove viruses and malware so it is not a correct option as well.
