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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.
901. |
NLP stands for____________. |
A. | Non Language Process |
B. | Nature Level Program |
C. | Natural Language Page |
D. | Natural Language Processing |
Answer» E. | |
902. |
The a priori frequent itemset discovery algorithm moves in the lattice |
A. | Upward |
B. | Downward |
C. | Breadthwise |
D. | Both upward and downward |
Answer» B. Downward | |
903. |
__________is an example of application development environments. |
A. | Visual Basic |
B. | Oracle |
C. | Sybase |
D. | SQL Server |
Answer» B. Oracle | |
904. |
The first phase of A Priori algorithm is___________ |
A. | Candidate generation |
B. | Itemset generation |
C. | Pruning |
D. | Partitioning |
Answer» B. Itemset generation | |
905. |
Pick out a hierarchical clustering algorithm |
A. | DBSCAN |
B. | BIRCH |
C. | PAM |
D. | CURE |
Answer» B. BIRCH | |
906. |
Which of the following is a data set in the popular UCI machine-learning repository? |
A. | CLARA. |
B. | CACTUS. |
C. | STIRR. |
D. | MUSHROOM |
Answer» E. | |
907. |
_________is the specialized data warehouse database. |
A. | Oracle |
B. | DBZ |
C. | Informix |
D. | Redbrick |
Answer» E. | |
908. |
ROI is an acronym of _______. |
A. | Return on Investment |
B. | Return on Information |
C. | Repetition of Information |
D. | Runtime of Instruction |
Answer» B. Return on Information | |
909. |
is a complex chemical process in neural networks. |
A. | Receiving process |
B. | Sending process |
C. | Transmission process |
D. | Switching process |
Answer» D. Switching process | |
910. |
SOMs are used to cluster a specific dataset containing information about the patient’sdrugs etc. |
A. | Physical |
B. | Logical |
C. | Medical |
D. | Technical |
Answer» D. Technical | |
911. |
Query tool is meant for_________. |
A. | Data acquisition |
B. | Information delivery |
C. | Information exchange |
D. | Communication |
Answer» B. Information delivery | |
912. |
____________ consists of formal definitions, such as a COBOL layout or a database schema. |
A. | Classical metadata |
B. | Transformation metadata |
C. | Historical metadata |
D. | Structural metadata |
Answer» B. Transformation metadata | |
913. |
____________is the goal of data mining. |
A. | To explain some observed event or condition |
B. | To confirm that data exists |
C. | To analyze data for expected relationships |
D. | To create a new data warehouse |
Answer» B. To confirm that data exists | |
914. |
The item sets that have completed on full pass move from dashed circle to________ |
A. | Dashed box |
B. | Solid circle |
C. | Solid box |
D. | None of the above |
Answer» C. Solid box | |
915. |
In web mining, is used to know the order in which URLs tend to be accessed. |
A. | clustering |
B. | associations |
C. | sequential analysis |
D. | classification |
Answer» D. classification | |
916. |
The time horizon in Data warehouse is usually__________. |
A. | 1-2 years |
B. | 3-4years |
C. | 5-6 years |
D. | 5-10 years |
Answer» E. | |
917. |
A fact is said to be partially 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» C. Not additive over any dimension | |
918. |
Dynamic Itemset Counting Algorithm was proposed by |
A. | Bin et al |
B. | Argawal et at |
C. | Toda et al |
D. | Simon et at |
Answer» B. Argawal et at | |
919. |
BIRCH is a________ |
A. | Agglomerative clustering algorithm |
B. | Hierarchical algorithm |
C. | Hierarchical-agglomerative algorithm |
D. | Divisive |
Answer» D. Divisive | |
920. |
Describing some characteristics of a set of data by a general model is viewed as___________. |
A. | Induction. |
B. | Compression |
C. | Approximation |
D. | Summarization |
Answer» C. Approximation | |
921. |
Extreme values that occur infrequently are called as___________. |
A. | Outliers |
B. | Rare values |
C. | Dimensionality reduction |
D. | All of the above |
Answer» B. Rare values | |
922. |
Multidimensional database is otherwise known as___________. |
A. | RDBMS |
B. | DBMS |
C. | EXTENDED RDBMS |
D. | EXTENDED DBMS |
Answer» C. EXTENDED RDBMS | |
923. |
The data is stored, retrieved & updated in___________. |
A. | OLAP |
B. | OLTP |
C. | SMTP |
D. | FTP |
Answer» C. SMTP | |
924. |
Record cannot be updated in__________. |
A. | OLTP |
B. | Files |
C. | RDBMS |
D. | data warehouse |
Answer» E. | |
925. |
The technology area associated with CRM is__________. |
A. | Specialization |
B. | Generalization |
C. | Personalization |
D. | Summarization |
Answer» D. Summarization | |
926. |
Design involves deciding on their centers and the sharpness of their Gaussians. |
A. | DR |
B. | AND |
C. | XOR |
D. | RBF |
Answer» E. | |
927. |
The output of KDD is ______. |
A. | Data |
B. | Information |
C. | Query |
D. | Useful information |
Answer» E. | |
928. |
____________is data about data. |
A. | Metadata |
B. | Microdata |
C. | Minidata |
D. | Multidata |
Answer» B. Microdata | |
929. |
Which of the following is not a data mining metric? |
A. | Space complexity |
B. | Time complexity |
C. | ROI |
D. | All of the above |
Answer» E. | |
930. |
clustering technique start with as many clusters as there are records, with eachcluster having only one record |
A. | Agglomerative |
B. | Divisive |
C. | Partition |
D. | Numeric |
Answer» B. Divisive | |
931. |
______ is a the input to KDD. |
A. | Data |
B. | Information |
C. | Query |
D. | Process |
Answer» B. Information | |
932. |
_____________is an important functional component of the metadata. |
A. | Digital directory |
B. | Repository |
C. | Information directory |
D. | Data dictionary |
Answer» D. Data dictionary | |
933. |
EIS stands for____________. |
A. | Extended interface system |
B. | Executive interface system |
C. | Executive information system |
D. | Extendable information system |
Answer» D. Extendable information system | |
934. |
Data that are not of interest to the data mining task is called as _____. |
A. | Missing data |
B. | Changing data |
C. | Irrelevant data |
D. | Noisy data |
Answer» D. Noisy data | |
935. |
Which of the following is a predictive model? |
A. | Clustering |
B. | Regression |
C. | Summarization |
D. | Association rules |
Answer» C. Summarization | |
936. |
________ Databases are owned by particular departments or business groups. |
A. | Informational |
B. | Operational |
C. | Both informational and operational |
D. | Flat |
Answer» C. Both informational and operational | |
937. |
In web mining, is used to find natural groupings of users, pages, etc. |
A. | Clustering |
B. | Associations |
C. | Sequential analysis |
D. | Classification |
Answer» B. Associations | |
938. |
The ______of data could result in the disclosure of information that is deemed to beconfidential. |
A. | Authorized use |
B. | Unauthorized use |
C. | Authenticated use |
D. | Unauthenticated use |
Answer» C. Authenticated use | |
939. |
The granularity of the fact is the ___________ of detail at which it is recorded. |
A. | Transformation |
B. | Summarization |
C. | Level |
D. | Tr |
Answer» B. Summarization | |
940. |
The goal of________is to discover both the dense and sparse regions of a data set |
A. | Association rule |
B. | Classification |
C. | Clustering |
D. | Genetic Algorithm |
Answer» D. Genetic Algorithm | |
941. |
If T consist of 500000 transactions, 20000 transaction contain bread, 30000 transaction contain jam, 10000 transaction contain both bread and jam. Then the support of bread and jam is_________. |
A. | 2% |
B. | 20% |
C. | 3% |
D. | 30% |
Answer» B. 20% | |
942. |
Which of the following is not a desirable feature of any efficient algorithm? |
A. | To reduce number of input operation |
B. | To reduce number of output operations |
C. | To be efficient in computing |
D. | To have maximal code length |
Answer» E. | |
943. |
The star schema is composed of __________ fact table. |
A. | one |
B. | Two |
C. | Three |
D. | four |
Answer» B. Two | |
944. |
________is a process of determining the preference of customer's majority. |
A. | Association |
B. | Preferencing |
C. | Segmentation |
D. | Classification |
Answer» C. Segmentation | |
945. |
Employs the supervised mode of learning. |
A. | RBF |
B. | MLP |
C. | MLP & RBF |
D. | ANN |
Answer» D. ANN | |
946. |
The paths from root node to the nodes labelled 'a' are called_________ |
A. | Transformed prefix path |
B. | Suffix subpath |
C. | Transformed suffix path |
D. | Prefix subpath |
Answer» E. | |
947. |
CLARANS stands for |
A. | CLARA Net Server |
B. | Clustering Large Application Range Network Search |
C. | Clustering Large Applications based on Randomized Search |
D. | Clustering Application Randomized Search |
Answer» D. Clustering Application Randomized Search | |
948. |
__________maps the core warehouse metadata to business concepts, familiar and useful toend users. |
A. | Application level metadata |
B. | User level metadata |
C. | Enduser level metadata |
D. | Core level metadata |
Answer» B. User level metadata | |
949. |
Investment analysis used in neural networks is to predict the movement of_________fromprevious data. |
A. | Engines |
B. | Stock |
C. | Patterns |
D. | Models |
Answer» C. Patterns | |
950. |
A priori algorithm is otherwise called as_________ |
A. | Width-wise algorithm |
B. | Level-wise algorithm |
C. | Pincer-search algorithm |
D. | FP growth algorithm |
Answer» C. Pincer-search algorithm | |