Which of the following commands shows a graphical display of the drive or paths directorystructure?（）

A. the battery.
B. the memory cover and memory sticks giving access to the screws holding the keyboard in place.
C. the top bezel covering the screws holding the keyboard in place.
D. the AC power.

A. thick layer, making sure to cover the sides of the CPU.
B. very thin layer, making sure to cover the CPU.
C. little bit on the tip of a brush, making sure to cover the top and sides of the CPU.
D. small amount in the center of the CPU.

A. Guest users are allowed changed permissions.
B. All sub-folders inherit the most restrictive permissions within the folder.
C. All sub-folders within that folder are given a password.
D. By default, read permissions are denied on all files within the folder.