Explore topic-wise MCQs in Current Affairs.

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.

851.

is a form of supply chain where a series of assembly operations are carried out toobtain the final product

A. Converging supply chain
B. Diverging supply chain
C. Any of these
D. None
Answer» B. Diverging supply chain
852.

A is a software that scours the internet collecting data about every websiteand every webpage within it

A. spider
B. Search Engines
C. robots
D. none of these
Answer» C. robots
853.

Which among the following product is suitable for E-Commerce ?

A. Book
B. Vegetables
C. All of these
D. None of these
Answer» B. Vegetables
854.

Web pages are prepared using their language as…………………

A. html
B. FTP
C. HTTP
D. None of these
Answer» B. FTP
855.

e-commerce involves customers gathering information, purchasing and receivingproducts over an electronic network

A. B2G
B. B2E
C. B2B
D. B2C
Answer» E.
856.

streamlines the flow of information and self service capabilities throughautomation

A. SCC
B. CRM
C. CRP
D. SCM
Answer» B. CRM
857.

Which among the following is not a B2E application

A. Online Insurance policy management
B. Online supply requests
C. Special employee offers
D. Locate application and tax forms
Answer» E.
858.

……………….in the e-commerce may be a holder of a payment card such as credit card ordebit card from an issuer

A. customer
B. issuer
C. Merchant
D. Acquirer
Answer» B. issuer
859.

The non-root node of item-prefix-tree consists of fields

A. Two
B. Three
C. Four
D. Five
Answer» C. Four
860.

Metadata contains at least__________.

A. The structure of the data
B. The algorithms used for summarization
C. The mapping from the operational environment to the data warehouse
D. All of the above
Answer» E.
861.

The second phase of A Priori algorithm is____________

A. Candidate generation
B. Itemset generation
C. Pruning
D. Partitioning
Answer» D. Partitioning
862.

The absolute number of transactions supporting X in T is called _______.

A. Confidence
B. Support
C. Support count
D. None of the above
Answer» D. None of the above
863.

The key used in operational environment may not have an element of _________.

A. Time
B. Cost
C. Frequency
D. Quality
Answer» B. Cost
864.

The A Priori algorithm is a____________

A. Top-down search
B. Breadth first search
C. Depth first search
D. Bottom-up search
Answer» E.
865.

Data scrubbing 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» E.
866.

________consists of information in the enterprise that is not in classical form.

A. Mushy metadata
B. Differential metadata
C. Data warehouse
D. Data mining
Answer» B. Differential metadata
867.

The threshold function is replaced by continuousfunctions called______functions.

A. Activation.
B. Deactivation.
C. Dynamic.
D. Standard
Answer» B. Deactivation.
868.

is the way of studying the web link structure.

A. Computer network
B. Physical network
C. Social network
D. Logical network
Answer» D. Logical network
869.

_________is the heart of the warehouse.

A. Data mining database servers
B. Data warehouse database servers
C. Data mart database servers
D. Relational data base servers
Answer» C. Data mart database servers
870.

___________are responsible for running queries and reports against data warehouse tables.

A. Hardware
B. Software
C. End users
D. Middle ware
Answer» D. Middle ware
871.

Bill Inmon has estimated___________of the time required to build a datawarehouse, is consumed in the conversion process.

A. 10 percent
B. 20 percent
C. 30 percent
D. 40 percent
Answer» E.
872.

Link Analysis is otherwise called as ____.

A. Affinity analysis
B. Association rules
C. Both A & B
D. Prediction
Answer» D. Prediction
873.

is the most well-known association rule algorithm and is used in most commercialproducts

A. Apriori algorithm
B. Partition algorithm
C. Distributed algorithm
D. Pincer-search algorithm
Answer» B. Partition algorithm
874.

__________ is a subject-oriented, integrated, time-variant, nonvolatile collection of data insupport of management decisions.

A. Data Mining
B. Data Warehousing
C. Web Mining
D. Text Mining
Answer» C. Web Mining
875.

Classification rules are extracted from____________.

A. Root node
B. Decision tree
C. Siblings
D. Branches
Answer» C. Siblings
876.

are a different paradigm for computing which draws its inspiration fromneuroscience

A. Computer networks
B. Neural networks
C. Mobile networks
D. Artificial networks
Answer» C. Mobile networks
877.

Training may be used when a clear link between input data sets and target outputvalues does not exist.

A. Competitive
B. Perception
C. Supervise
D. D Unsupervised
Answer» E.
878.

is the most widely applied neural network technique.

A. ABC
B. PLM
C. LMP
D. MLP
Answer» E.
879.

An operational system is________.

A. Used to run the business in real time and is based on historical data
B. Used to run the business in real time and is based on current data
C. Used to support decision making and is based on current data
D. Used to support decision making and is based on historical data
Answer» C. Used to support decision making and is based on current data
880.

_____________are designed to overcome any limitations placed on the warehouse by thenature of the relational data model.

A. Operational database
B. Relational database
C. Multidimensional database
D. Data repository
Answer» D. Data repository
881.

Data transformation includes___________.

A. A process to change data from a detailed level to a summary level
B. A process to change data from a summary level to a detailed level
C. Joining data from one source into various sources of data
D. Separating data from one source into various sources of data
Answer» B. A process to change data from a summary level to a detailed level
882.

Any subset of a frequent set is a frequent set. This is_________

A. Upward closure property
B. Downward closure property
C. Maximal frequent set
D. Border set
Answer» C. Maximal frequent set
883.

An algorithm called________is used to generate the candidate item sets for each pass afterthe first

A. Apriori
B. Apriori-gen
C. Sampling
D. Partition
Answer» C. Sampling
884.

Research on mining multi-types of data is termed as__________data.

A. Graphics
B. Multimedia
C. Meta
D. Digital
Answer» C. Meta
885.

______is a good alternative to the star schema.

A. Star schema
B. Snowflake schema
C. Fact constellation
D. Star-snowflake schema
Answer» D. Star-snowflake schema
886.

The KDD process consists of ____steps.

A. Three
B. Four
C. Five
D. Six
Answer» D. Six
887.

Genetic algorithms are search algorithms based on the mechanics of natural .

A. Systems
B. Genetics
C. Logistics
D. Statistics
Answer» C. Logistics
888.

The most common source of change data in refreshing a data warehouse is__________.

A. Query able change data
B. Cooperative change data
C. Logged change data
D. Snapshot change data
Answer» B. Cooperative change data
889.

SOM is an acronym of .

A. Self-organizing map
B. Self-origin map
C. Single organizing map
D. Simple origin map
Answer» B. Self-origin map
890.

__________are designed to overcome any limitations placed on the warehouse by the natureof the relational data model.

A. Operational database
B. Relational database
C. Multidimensional database
D. Data repository
Answer» D. Data repository
891.

The cluster features of different subclusters are maintained in a tree called_________

A. CF tree
B. FP tree
C. FP growth tree
D. B tree
Answer» B. FP tree
892.

The network topology is constrained to be .

A. Feed forward
B. Feed backward
C. Feed free
D. Feed busy
Answer» B. Feed backward
893.

The terms equality and roll up are associated with__________.

A. OLAP
B. Visualization
C. Data mart
D. Decision tree
Answer» D. Decision tree
894.

______ are needed to identify training data and desired results.

A. Programmers
B. Designers
C. Users
D. Administrators
Answer» D. Administrators
895.

The human brain consists of a network of .

A. Neurons
B. Cells
C. Tissue
D. Muscles
Answer» B. Cells
896.

__________predicts future trends & behaviors, allowing business managers to make proactive, knowledge-driven decisions.

A. Data warehouse
B. Data mining
C. Data marts
D. Metadata
Answer» C. Data marts
897.

Each neuron is made up of a number of nerve fibers called________.

A. Electrons
B. Molecules
C. Atoms
D. Dendrites
Answer» E.
898.

_________are effective tools to attack the scalability problem.

A. Sampling
B. Parallelization
C. Both A & B
D. None of the above
Answer» D. None of the above
899.

The partition algorithm uses scans of the databases to discover all frequent sets

A. Two
B. Four
C. Six
D. Eight
Answer» B. Four
900.

The term that is not associated with data cleaning process is____________.

A. Domain consistency
B. Deduplication
C. Disambiguation
D. Segmentation
Answer» E.