MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The F in RFM analysis stands for ________ . |
| A. | Frequently |
| B. | Freshness |
| C. | Fast food |
| D. | Fantasy |
| Answer» B. Freshness | |
| 2. |
We have Market Basket data for 1,000 rental transactions at a Video Store. There are four videos for rent Video A, Video B, Video C and Video D. The probability that Video D will be rented given that Video C has been rented is known as ________ . |
| A. | The basic probability |
| B. | Support |
| C. | Lift |
| D. | Confidence |
| Answer» E. | |
| 3. |
In data mining, the slice operation performs a selection on _______ |
| A. | One dimension |
| B. | Two dimension |
| C. | Multi dimension |
| D. | None of the above |
| Answer» B. Two dimension | |
| 4. |
In star schema there is _________ relationship between fact table and dimension table |
| A. | M:N |
| B. | 1:N |
| C. | 2:N |
| D. | 3:N |
| Answer» C. 2:N | |
| 5. |
__________ is the bridge between data warehouse and decision support application. |
| A. | Logical data |
| B. | Complex data |
| C. | Nominal data |
| D. | Metadata |
| Answer» E. | |
| 6. |
Preprocessing step is used in Data _______ |
| A. | Cleaning |
| B. | Integration |
| C. | Transformation |
| D. | Reduction |
| Answer» B. Integration | |
| 7. |
We have Market Basket data for 1,000 rental transactions at a Video Store. There are for videos for rent Video A, Video B, Video C and Video D. The probability that both Video C and Video D are rented at the same time is known as ________ . |
| A. | The basic probability |
| B. | Support |
| C. | Lift |
| D. | Confidence |
| Answer» C. Lift | |