COS3721 FINAL Exam PRACTICE TEST | 2025-2026 LATEST UPDATED|
64 REAL EXAM AND COMPLETE QUESTIONS AND ANSWERS | 100%
RATED CORRECT | 100% VERFIED | ALREADY GRADED A+
1. Transfers between memory and disk are performed a ____.
A) byte at a time
B) file at a time
C) block at a time
D) sector at a time - (answer)C
2. Order the following file system layers in order of lowest level to highest level.
[1] I/O control
[2] logical file system
[3] basic file system
[4] file-organization module
[5] devices
A) 1, 3, 5, 4, 2
B) 5, 1, 3, 2, 4
,C) 1, 5, 3, 4, 2
D) 5, 1, 3, 4, 2 - (answer)D
3. A volume control block ____.
A) can contain information needed by the system to boot an operating system from
that partition
B) is a directory structure used to organize the files
C) contains many of the file's details, including file permissions, ownership, size,
and location of the data blocks
D) contains information such as the number of blocks in a partition, size of the
blocks, and free-block and FCB count and
pointers - (answer)D
4. Which of the following is the simplest method for implementing a directory?
A) tree data structure
B) linear list
C) hash table
, D) nonlinear list - (answer)B
5. In the Linux VFS architecture, a(n) ____ object represents an individual file.
A) inode
B) file
C) superblock
D) dentry - (answer)A
6. Which of the following allocation methods ensures that only one access is
needed to get a disk block using direct access?
A) linked allocation
B) indexed allocation
C) hashed allocation
D) contiguous allocation - (answer)D
7. The free-space list can be implemented using a bit vector approach. Which of
the following is a drawback of this technique?
64 REAL EXAM AND COMPLETE QUESTIONS AND ANSWERS | 100%
RATED CORRECT | 100% VERFIED | ALREADY GRADED A+
1. Transfers between memory and disk are performed a ____.
A) byte at a time
B) file at a time
C) block at a time
D) sector at a time - (answer)C
2. Order the following file system layers in order of lowest level to highest level.
[1] I/O control
[2] logical file system
[3] basic file system
[4] file-organization module
[5] devices
A) 1, 3, 5, 4, 2
B) 5, 1, 3, 2, 4
,C) 1, 5, 3, 4, 2
D) 5, 1, 3, 4, 2 - (answer)D
3. A volume control block ____.
A) can contain information needed by the system to boot an operating system from
that partition
B) is a directory structure used to organize the files
C) contains many of the file's details, including file permissions, ownership, size,
and location of the data blocks
D) contains information such as the number of blocks in a partition, size of the
blocks, and free-block and FCB count and
pointers - (answer)D
4. Which of the following is the simplest method for implementing a directory?
A) tree data structure
B) linear list
C) hash table
, D) nonlinear list - (answer)B
5. In the Linux VFS architecture, a(n) ____ object represents an individual file.
A) inode
B) file
C) superblock
D) dentry - (answer)A
6. Which of the following allocation methods ensures that only one access is
needed to get a disk block using direct access?
A) linked allocation
B) indexed allocation
C) hashed allocation
D) contiguous allocation - (answer)D
7. The free-space list can be implemented using a bit vector approach. Which of
the following is a drawback of this technique?