3-36.
File compression routines
are often a feature of
backup utilities. They have
which of the following
advantages?
1.
Make data easier to read
2.
Allow more data to be
placed on a diskette
3.
Require fewer data files
for data storage
4.
Each of the above
3-37.
File management utilities
perform which of the
following functions?
1.
Manipulate files only
2.
Manipulate directories
only
3.
Manipulate files and
directories
4.
Provide file recovery
3-38.
File maintenance utilities
are NOT designed to perform
which of the following
tasks?
1.
Encrypt data
2.
Repair low-level format
damage on hard disks
3.
Control access to
resources and files
4.
Organize files and set
file attributes
3-39.
What person is the primary
source in determining the
input data and output
material?
1.
User
2.
Programmer
3.
I/O control clerk
4.
Technical
administrator
3-40.
3-41.
3-42.
3-43.
3-44.
How a file will be accessed
by the program is determined
at which of the following
times?
1.
When the DBMS is
selected
2.
During the creation of
the schema
3.
During the creation of
the subschema
4.
When the file is
downloaded
Which of the following is
the most commonly used file
organization method?
1.
Sequential
2.
Indexed sequential
3.
Direct
Of the following features of
a DBMS, which one, if any,
is more important than the
others?
1.
Easy access to the data
2.
Storage and maintenance
of large volumes of data
3.
Capability for sharing
the data resources
4.
None; all are equally
important
In a DBMS environment, users
do not want to share their
data with other users of the
database.
1.
True
2.
False
Technical and nontechnical
DBMS users need different
views of data.
1.
True
2.
False
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