Which of the following are the MOST appropriate permissions to set on files required to be publicly accessible but only modified by the file's original owner?

What is the shortest valid abbreviation of the IPv6 address 3000:bdea:0345:00cb:bd00:00ae:bd00:aecb?

A) 3000:bdea:345:cb:bd::ae:bd:aecb B) 3000:bdea:345:cb:bd::ae:bd00:aecb C) 3000:bdea: 345:cb:bd::ae:bd::aecb D) 3000:bdea:345::cb:bd::ae:bd::aecb

You can ____________ the private key of specific certificates when they are issued. Doing so enables the key to be recovered later should it be lost in any way, such as by corruption or accidental deletion

a. Copy b. Archive c. Lock d. Overwrite