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Filesystem Recovery Course - File Storage Basics Test
Check optional properties for a file
content
data and time of file creation
access rights
name
size
file extension
What is fragmentation?
when a file is stored in several non-contiguous fragments
when two files have identical fragments
What is a sparse file?
a file consisting of more than one fragment
a file containing a compressed block
a file containing zeros which are not actually stored on the disk
a file containing more than two identical blocks
How is a record storing file metadata and pointers to file content called in Linux?
inode
indirect block table
short form directory
group descriptor
MFT record
directory
How does deduplication work?
a filesystem monitors that exactly one copy of each data block is stored
a filesystem compresses data before writing it to the disk
a filesystem monitors that no more than two copies of each data block is stored
a filesystem monitors that exactly one copy of each file metadata block is stored
What is a minimum unit of disk space a filesystem operates with?
sector
cluster
chunk
stripe
What is an alternative name for cluster?
stripe
chunk
sector
block
What is a minimum unit of disk space a physical device operates with?
chunk
cluster
stripe
sector
A filesystem, if possible, tries to allocate clusters sequentially
false
true
Check filesystem features which facilitate data recovery
journaling
fragmentation
copy-on-write
checksums
compression
deduplication
Next lesson - File Metadata
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