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Filesystem Recovery Course - File Storage Basics Test
What is an alternative name for cluster?
stripe
sector
chunk
block
A filesystem, if possible, tries to allocate clusters sequentially
true
false
What is fragmentation?
when a file is stored in several non-contiguous fragments
when two files have identical fragments
How is a record storing file metadata and pointers to file content called in Linux?
inode
MFT record
group descriptor
short form directory
directory
indirect block table
What is a minimum unit of disk space a physical device operates with?
chunk
stripe
cluster
sector
What is a compressed file?
a file consisting of more than one fragment
a file containing fragments stored on disk in compressed form
a file containing more than two identical blocks
a file containing zeros which are not actually stored on the disk
What is a sparse file?
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
a file consisting of more than one fragment
Check filesystem features which facilitate data recovery
copy-on-write
checksums
deduplication
journaling
compression
fragmentation
What is carving?
discovering files by searching the disk by file header signatures
discovering files by searching the disk by file names
discovering files by searching the disk by file hashes
Check what makes carving impossible
deduplication
copy-on-write
sparse storage
checksums
compression
journaling
fragmentation
Next lesson - File Metadata
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