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This section includes 3246 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
1001. |
The biggest drawback of the level indicator in the classic star-schema is thatitlimits_________. |
A. | Quantify |
B. | Qualify |
C. | Flexibility |
D. | Ability |
Answer» D. Ability | |
1002. |
A fact is said to be fully additive if_________. |
A. | It is additive over every dimension of its dimensionality |
B. | Additive over at least one but not all of the dimensions |
C. | Not additive over any dimension |
D. | None of the above |
Answer» B. Additive over at least one but not all of the dimensions | |
1003. |
MDDB stands for _______________. |
A. | Multiple data doubling |
B. | Multidimensional databases |
C. | Multiple double dimension |
D. | Multi-dimension doubling |
Answer» C. Multiple double dimension | |
1004. |
In algorithm each cluster is represented by the center of gravity of the cluster |
A. | K-medoid |
B. | K-means |
C. | Stirr |
D. | Rock |
Answer» C. Stirr | |
1005. |
_________is an expensive process in building an expert system. |
A. | Analysis |
B. | Study |
C. | Design |
D. | Information collection |
Answer» E. | |
1006. |
can be thought of as classifying an attribute value into one of a set of possible classes |
A. | Estimation. |
B. | Prediction. |
C. | Identification. |
D. | Clarification |
Answer» C. Identification. | |
1007. |
A single axon makes of synapses with other neurons. |
A. | Ones |
B. | Hundreds |
C. | Thousands |
D. | Millions |
Answer» D. Millions | |
1008. |
If a set is a frequent set and no superset of this set is a frequent set, then it iscalled____________ |
A. | Maximal frequent set |
B. | Border set |
C. | Lattice |
D. | Infrequent sets |
Answer» B. Border set | |
1009. |
Over fitting occurs when a model_________. |
A. | Does fit in future states |
B. | Does not fit in future states |
C. | Does fit in current state |
D. | Does not fit in current state |
Answer» C. Does fit in current state | |
1010. |
A directory to help the DSS analyst locate the contents of the data warehouse isseen in__________. |
A. | Current detail data |
B. | Lightly summarized data |
C. | Metadata |
D. | Older detail data |
Answer» D. Older detail data | |
1011. |
Which of the following is not a old detail storage medium? |
A. | Phot Optical Storage |
B. | RAID |
C. | Microfinche |
D. | Pen drive |
Answer» E. | |
1012. |
SMP stands for________. |
A. | Symmetric Multiprocessor |
B. | Symmetric Multiprogramming |
C. | Symmetric Metaprogramming |
D. | Symmetric Microprogramming |
Answer» B. Symmetric Multiprogramming | |
1013. |
Non-additive measures can often combined with additive measures to create new_________. |
A. | Additive measures |
B. | Non-additive measures |
C. | Partially additive |
D. | All of the above |
Answer» B. Non-additive measures | |
1014. |
A predictive model makes use of______. |
A. | Current data. |
B. | Historical data. |
C. | Both current and historical data. |
D. | Assumptions |
Answer» C. Both current and historical data. | |
1015. |
The biological neuron's__________is a continuous function rather than a step function. |
A. | Read. |
B. | Write. |
C. | Output. |
D. | Input |
Answer» D. Input | |
1016. |
The source of all data warehouse data is the__________. |
A. | Operational environment |
B. | Informal environment |
C. | Formal environment |
D. | Technology environment |
Answer» B. Informal environment | |
1017. |
______ is called a multifield transformation. |
A. | Converting data from one field into multiple fields |
B. | Converting data from fields into field |
C. | Converting data from double fields into multiple fields |
D. | Converting data from one field to one field |
Answer» B. Converting data from fields into field | |
1018. |
MLP stands for . |
A. | Mono layer perception |
B. | Many layer perception |
C. | More layer perception |
D. | Multi-layer perception |
Answer» E. | |
1019. |
MFCS is the acronym of____________ |
A. | Maximum Frequency Control Set |
B. | Minimal Frequency Control Set |
C. | Maximal Frequent Candidate Set |
D. | Minimal Frequent Candidate Set |
Answer» D. Minimal Frequent Candidate Set | |
1020. |
_________is a metadata repository. |
A. | Prism solution directory manager |
B. | CORBA |
C. | STUNT |
D. | COBWEB |
Answer» B. CORBA | |
1021. |
_________data are noisy and have many missing attribute values. |
A. | Preprocessed |
B. | Cleaned |
C. | Real-worl |
D. | D Tr |
Answer» E. | |
1022. |
In web mining, is used to know which URLs tend to be requested together. |
A. | Clustering |
B. | Associations |
C. | Sequential analysis |
D. | Classification |
Answer» C. Sequential analysis | |
1023. |
All set of items whose support is greater than the user-specified minimum support are calledas_____________ |
A. | Border set |
B. | Frequent set |
C. | Maximal frequent set |
D. | Lattice |
Answer» C. Maximal frequent set | |
1024. |
Which of the following is an operation in genetic algorithm? |
A. | Inversion |
B. | Dominance |
C. | Genetic edge recombination |
D. | All of the above |
Answer» E. | |
1025. |
The number of iterations in a priori |
A. | Increases with the size of the maximum frequent set |
B. | Decreases with increase in size of the maximum frequent set |
C. | Increases with the size of the data |
D. | Decreases with the increase in size of the data |
Answer» B. Decreases with increase in size of the maximum frequent set | |
1026. |
___________proposed the approach for data integration issues. |
A. | Ralph Campbell |
B. | Ralph Kimball |
C. | John Raphlin |
D. | James Gosling |
Answer» C. John Raphlin | |
1027. |
The mutation operator . |
A. | Recombine the population's genetic material |
B. | Introduce new genetic structures in the population |
C. | To modify the population's genetic material |
D. | All of the above |
Answer» C. To modify the population's genetic material | |
1028. |
In each cluster is represented by one of the objects of the cluster located near the center |
A. | K-medoid |
B. | K-means |
C. | Stirr |
D. | Rock |
Answer» B. K-means | |
1029. |
The load and index is_______. |
A. | A process to reject data from the data warehouse and to create the necessary indexes |
B. | A process to load the data in the data warehouse and to create the necessary indexes |
C. | A process to upgrade the quality of data after it is moved into a data warehouse |
D. | A process to upgrade the quality of data before it is moved into a data warehouse |
Answer» C. A process to upgrade the quality of data after it is moved into a data warehouse | |
1030. |
The__________propose a measure of standing a node based on path counting. |
A. | Open we |
B. | B Close web |
C. | Link web |
D. | Hidden web |
Answer» C. Link web | |
1031. |
The type of relationship in star schema is_________. |
A. | Many-to-many |
B. | One-to-one |
C. | One-to-many |
D. | Many-to-one |
Answer» D. Many-to-one | |
1032. |
Which of the following is a descriptive model? |
A. | Classification |
B. | Regression |
C. | Sequence discovery |
D. | Association rules |
Answer» D. Association rules | |
1033. |
The rise of DBMS occurred in early _______. |
A. | 1950's |
B. | 1960's |
C. | 1970's |
D. | 1980's |
Answer» D. 1980's | |
1034. |
The value that says that transactions in D that support X also support Y is called__________. |
A. | Confidence |
B. | Support |
C. | Support count |
D. | None of the above |
Answer» B. Support | |
1035. |
The data administration subsystem helps you perform all of the following, except_________. |
A. | Backups and recovery |
B. | Query optimization |
C. | Security management |
D. | Create, change, and delete information |
Answer» E. | |
1036. |
Data warehouse architecture is based on___________. |
A. | DBMS |
B. | RDBMS |
C. | Sybase |
D. | SQL Server |
Answer» C. Sybase | |
1037. |
If an itemset is not a frequent set and no superset of this is a frequent set, then it is |
A. | Maximal frequent set |
B. | Border set |
C. | Upward closure property |
D. | Downward closure property |
Answer» C. Upward closure property | |
1038. |
Certain itemsets in the dashed circle whose support count reach support valueduring an iteration move into the______________ |
A. | Dashed box |
B. | Solid circle |
C. | Solid box |
D. | None of the above |
Answer» B. Solid circle | |
1039. |
Are highly simplified models of biological neurons? |
A. | Artificial neurons |
B. | Computational neurons |
C. | Biological neurons |
D. | Technological neurons |
Answer» B. Computational neurons | |
1040. |
How many components are there in a data warehouse? |
A. | Two |
B. | Three |
C. | Four |
D. | Five |
Answer» E. | |
1041. |
The RSES system was developed in . |
A. | Poland |
B. | Italy |
C. | Englan |
D. | D America |
Answer» B. Italy | |
1042. |
The main organizational justification for implementing a data warehouse is toprovide__________. |
A. | Cheaper ways of handling transportation |
B. | Decision support |
C. | Storing large volume of data |
D. | Access to data |
Answer» D. Access to data | |
1043. |
Which of the following is a clustering algorithm? |
A. | A priori |
B. | CLARA |
C. | Pincer-Search |
D. | FP-growth |
Answer» C. Pincer-Search | |
1044. |
___________is data that is distilled from the low level of detail found at the current detailedleve. |
A. | Highly summarized data |
B. | Lightly summarized data |
C. | Metadata |
D. | Older detail data |
Answer» C. Metadata | |
1045. |
Effect of one attribute value on a given class is independent of values of other attribute iscalled____________. |
A. | Value independence |
B. | Class conditional independence |
C. | Conditional independence |
D. | Unconditional independence |
Answer» B. Class conditional independence | |
1046. |
__________are some popular OLAP tools. |
A. | Metacube, Informix |
B. | Oracle Express, Essbase |
C. | HOLAP |
D. | MOLAP |
Answer» B. Oracle Express, Essbase | |
1047. |
The important aspect of the data warehouse environment is that data found within the datawarehouse is__________. |
A. | subject-oriented |
B. | time-variant |
C. | integrate |
D. | D All of the above |
Answer» E. | |
1048. |
Business Intelligence and data warehousing is used for________. |
A. | Forecasting |
B. | Data Mining |
C. | Analysis of large volumes of product sales data |
D. | All of the above |
Answer» E. | |
1049. |
Data marts that incorporate data mining tools to extract sets of data are called_________. |
A. | Independent data mart |
B. | Dependent data marts |
C. | Intra-entry data mart |
D. | Inter-entry data mart |
Answer» C. Intra-entry data mart | |
1050. |
data consists of sample input data as well as the classification assignment for the data |
A. | Missing. |
B. | Measuring. |
C. | Non-training. |
D. | Training |
Answer» C. Non-training. | |