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