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COP4610 Final Exam Review updated already passed
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COP4610 Final Exam Review updated already passed
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COP4610 Final Exam Reviewfile - correct answer ✔✔a named collection of blocks
file header - correct answer ✔✔associates the file with its disk sectors
storage management - correct answer ✔✔organizes store blocks into files
naming - correct answer ✔✔provides file names and directories to users instead of tracks and sector
numbers
protection(file system) - correct answer ✔✔keeps information secure from other users
reliability - correct answer ✔✔protects information loss due to system crashes
sequential access - correct answer ✔✔bytes are accessed in order
random access (direct access) - correct answer ✔✔bytes are accessed in any order
content based access - correct answer ✔✔bytes are accessed according to constraints on byte contents
contiguous allocation - correct answer ✔✔file blocks are stored contiguously on a disk
linked list allocation - correct answer ✔✔each file block on a disk is associated with a pointer to the next
block
indexed allocation - correct answer ✔✔uses a preallocated index to directly track the file block locations
, segment-based allocation - correct answer ✔✔needs a segment table to allocate multiple, contiguous
regions of blocks
multilevel based allocation - correct answer ✔✔certain index entries point to index blocks rather than
data blocks
single indirect block - correct answer ✔✔contains pointers to data blocks
double indirect block - correct answer ✔✔contains pointers to single indirect blocks
triple indirect block - correct answer ✔✔contains pointers to double indirect blocks
hashed allocation - correct answer ✔✔allocates a disk block by hashing the block content to a disk
location
I-node - correct answer ✔✔data structure that holds a file header in UNIX
directory - correct answer ✔✔table of file names and their corresponding I-node numbers
name collision - correct answer ✔✔multiple files with the same name
absolute path name - correct answer ✔✔consisting of the path from the root directory to the file
path resolution - correct answer ✔✔many levels of directory lookups
flat name space - correct answer ✔✔all files are stored in a single directory
hierarchical naming - correct answer ✔✔uses multiple levels of directories - is the most popular name
space organization
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