MIS 502 Ch 12 Quiz Drilled Down -

32 Questions | By Olkaz | Updated: Mar 20, 2022 | Attempts: 91

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MIS 502 CH 4 Quiz Drilled Down -

Questions and Answers

1.

A(n) block is the smallest number of secondary storage bytes that can be allocated to a file
- A.
  
  True
- B.
  
  False
2.

Enforcing access controls reduces the speed of many file access operations because of the extra processing required
- A.
  
  True
- B.
  
  False
3.

The storage allocation table records the assignment of ____ to specific files.
- A.
  
  Logical records
- B.
  
  Allocation units
4.

The storage I/O control layer presents a service layer interface to application programs and the command layer.
- A.
  
  True
- B.
  
  False
5.

The ____ layer provides a set of service functions for manipulating files and directories.
- A.
  
  File control
- B.
  
  Storage I/O control
6.

The content of a logically (but not physically) deleted file may be recovered in a compaction operation.
- A.
  
  True
- B.
  
  False
7.

All RAID fault tolerance methods use parity and data striping.
- A.
  
  True
- B.
  
  False
8.

Software modules within the storage I/O control layer include which of the following?
- A.
  
  Link editors
- B.
  
  Interrupt handlers
9.

Most file management systems support ____.
- A.
  
  A handful of predefined file types with a mechanism for adding new type definitions
- B.
  
  Executable programs
10.

____ cannot be smaller than the unit of data transfer between the storage device and controller.
- A.
  
  Allocation units
- B.
  
  Blocks
11.

The content of a logically (but not physically) deleted file may be recovered in a compaction operation.
- A.
  
  True
- B.
  
  False
12.

In most file management or operating systems, a file’s type determines ____
- A.
  
  Restrictions on its name
- B.
  
  Data encoding method
13.

In most file management or operating systems, a file owner cannot revoke his own access privileges.
- A.
  
  True
- B.
  
  False
14.

Which of the following statements about file access is correct?
- A.
  
  Sequential access to a file’s allocation units is efficient when the storage allocation table uses arrays.
- B.
  
  Sequential access to a file’s allocation units is efficient when the storage allocation table uses linked lists.
15.

Transaction logging is a form of automated file backup.
- A.
  
  True
- B.
  
  False
16.

Logical record grouping within physical records is called ____.
- A.
  
  Blocking
- B.
  
  Journaling
17.

The storage I/O control layer presents a service layer interface to application programs and the command layer.
- A.
  
  True
- B.
  
  False
18.

Consider a 80-GB disk. If unit size is set to 512 bytes, how many allocation units are in the device?
- A.
  
  167,772,160
- B.
  
  156,772,160
19.

In most file management or operating systems, a file owner cannot revoke his own access privileges.
- A.
  
  True
- B.
  
  False
20.

____ provides a high degree of protection against data loss due to program or hardware failure.
- A.
  
  Disk mirroring
- B.
  
  Transaction logging
21.

A(n) hierarchical directory structure allows a single file to be contained within multiple directories
- A.
  
  True
- B.
  
  False
22.

The storage allocation table records the assignment of ____ to specific files.
- A.
  
  logical records
- B.
  
  Allocation units
23.

A(n) storage allocation table is a data structure that records which allocation units are free and which belong to files.
- A.
  
  True
- B.
  
  False
24.

The ____ layer provides a set of service functions for manipulating files and directories.
- A.
  
  File control
- B.
  
  File management
25.

A(n) file open operation allocates buffers for file I/O and creates a logical record to record information about an active file.
- A.
  
  True
- B.
  
  False