 |
| 1 | |
The data storage hierarchy consists of: |
| | A) | bits, bytes, records, fields, and files |
| | B) | bits, bytes, fields, records, and files |
| | C) | bytes, bits, fields, records, and files |
| | D) | characters, fields, records, and files |
| | E) | none of the above |
|
|
|
| 2 | |
What are .bas, .doc, and .htm examples of? |
| | A) | databases |
| | B) | domains |
| | C) | extensions |
| | D) | protocols |
| | E) | none of the above |
|
|
|
| 3 | |
Which type of database has fields or records arranged in related groups resembling a family tree? |
| | A) | hierarchical |
| | B) | network |
| | C) | object-oriented |
| | D) | relational |
| | E) | none of the above |
|
|
|
| 4 | |
Which type of database organization allows a child record to have more than one parent record? |
| | A) | hierarchical |
| | B) | network |
| | C) | object-oriented |
| | D) | relational |
| | E) | none of the above |
|
|
|
| 5 | |
Which of the following is a very popular query language? |
| | A) | HTML |
| | B) | Java |
| | C) | SQL |
| | D) | Visual Basic |
| | E) | XML |
|
|
|
| 6 | |
Which method of database recovery involves undoing unwanted changes to the database, such as undoing a partially completed transaction interrupted by a power failure? |
| | A) | mirroring |
| | B) | reprocessing |
| | C) | rollback |
| | D) | rollforward |
| | E) | none of the above |
|
|
|
| 7 | |
Which feature of a DBMS allows the user to create, edit, and monitor data input? |
| | A) | access security |
| | B) | data dictionary |
| | C) | data recovery |
| | D) | report generator |
| | E) | utilities |
|
|
|
| 8 | |
Which method of database recovery involves frequent simultaneous copying of the database to maintain two or more complete copies of the database? |
| | A) | mirroring |
| | B) | reprocessing |
| | C) | rollback |
| | D) | rollforward |
| | E) | none of the above |
|
|
|
| 9 | |
What is the final outcome of the data mining process? |
| | A) | data cleansing |
| | B) | data fusion |
| | C) | data sources |
| | D) | data warehouse |
| | E) | meta-data |
|
|
|
| 10 | |
Which feature of a DBMS allows producing an on-screen or printed document from all or part of a database? |
| | A) | access security |
| | B) | data dictionary |
| | C) | data recovery |
| | D) | report generator |
| | E) | utilities |
|
|
.