1) Which of the following are true about Defragmentation? (multiple answers may apply): Group of answer choices - Physically organizes the contents of the mass storage device used to store files into the smallest number of contiguous regions. - It is applicable to file systems on electromechanical disk drives. - It speeds up the movement of the hard drive's read/write heads by accessing now sequentially de-fragmented files. - It seeks to reverse the fragmentation of long contiguous regions into smaller and smaller contiguous areas that happens over time. 2) The NTFS file system is characterized by? Group of answer choices - Its compatibility with other systems like Linux, MAC OS and Sony’s PlayStation. - File-by-file compression, full permissions for security control and attribute settings and a change journal that can help quickly recover errors if your computer crashes. - It is generally ideal for flash drives. 3) What is true about a File Name? (multiple answers may apply) Group of answer choices - A file name is used to identify a storage location in the file system. - File names can have restrictions on the use of certain special characters, disallowing them within file names. - File names are always case sensitive. - Most file systems have restrictions on the length of file names.