Explore topic-wise MCQs in Testing Subject.

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.

In modeling of union type classes, partial category of super class is represented by

A. Single line
B. Inverted comma
C. Triple line
D. Double line
Answer» B. Inverted comma
2.

Entity type from which subgroups can be made is classified as

A. Super class
B. Subclass
C. Qualified class
D. Non-qualified class
Answer» C. Qualified class
3.

Considering conceptual synthesis and refinement, generalization process is classified as

A. Conceptual instantiation
B. Conceptual synthesis
C. Conceptual refinement
D. Conceptual identification
Answer» C. Conceptual refinement
4.

Kind of class which does not have its own subclasses is called

A. Leaf node
B. Attribute node
C. Overlapping node
D. Disjoint node
Answer» B. Attribute node
5.

Root super class in diagrams of generalization and specialization is considered as

A. Three-tier class
B. Two-tier class
C. Base class
D. Top class
Answer» D. Top class
6.

In process of specialization, subclasses are attached by

A. Lines
B. Dotted lines
C. Red lines
D. Red dotted lines
Answer» B. Dotted lines
7.

Kind of subclass on which entity become part of subclass by putting some condition on attribute values is classified as

A. Predicate segregation subclass
B. Predicate aggregation subclass
C. Predicate-defined subclass
D. Indicate-defined subclass
Answer» D. Indicate-defined subclass
8.

Kind of subclass in which there are no constraints for deciding membership in any given subclass is classified as

A. Visual subclass
B. User-defined subclass
C. Member subclass
D. Local subclass
Answer» C. Member subclass
9.

Considering knowledge representation and conceptual modeling, reasoning mechanisms are classified as part of

A. Functional modeling
B. Concrete modeling
C. Knowledge representation
D. Conceptual modeling
Answer» D. Conceptual modeling
10.

Main constraints applicable in specialization are

A. Disjointness constraint
B. Incomplete constraint
C. Completeness constraint
D. Both a and c
Answer» E.
11.

In modeling of union type classes, total category of super class is represented by

A. Triple line
B. Double line
C. Single line
D. Inverted comma
Answer» C. Single line
12.

Category which considers union of super class entities is called

A. Total super class
B. Partial super class
C. Disjoint super class
D. Joined super class
Answer» B. Partial super class
13.

Considering conceptual synthesis and refinement, specialization process is classified as

A. Conceptual refinement
B. Conceptual identification
C. Conceptual instantiation
D. Conceptual synthesis
Answer» E.
14.

If super class contains entities in subclasses and is derived from super class then super class is considered as

A. Total
B. Partial
C. Overlap
D. Disjoint
Answer» B. Partial
15.

Process of defining entity type subclasses is classified as

A. Type inheritance
B. Visualization
C. Specialization
D. Generalization
Answer» D. Generalization
16.

Entity types, super classes and subclasses are classified as

A. ER schema overlapping
B. ER schema functions
C. ER schema objects
D. EER schema constructs
Answer» E.
17.

Subclass which has more than one super class is called

A. Partial subclass
B. Shared subclass
C. Shared super class
D. Joint super class
Answer» C. Shared super class
18.

Type of subclass constraint that one entity can be member of at most one subclass is classified as

A. Incomplete joint constraint
B. Complete joint constraint
C. Disjointness constraint
D. Jointness constraint
Answer» D. Jointness constraint
19.

In UML class diagrams, inheritances that are permitted includes

A. Single inheritance
B. Multiple inheritance
C. Shared schema inheritance
D. Both a and b
Answer» E.
20.

Leaf nodes in diagrams of generalization and specialization are considered as

A. Extension classes
B. Leaf classes
C. Inverted classes
D. Diverted classes
Answer» C. Inverted classes
21.

Association between aggregate and primitive objects is classified as

A. IS-A-SUPERCLASS-OF relationship
B. IS-A-SUBCLASS-OF relationship
C. IS-A-COMPONENT-OF relationship
D. IS-A-PART-OF relationship
Answer» E.
22.

Concept which describes domain of knowledge is considered as

A. Morphology
B. Ontology
C. Anthropology
D. Terminology
Answer» C. Anthropology
23.

Category which considers subset of union of entities included in super class is classified

A. Disjoint super class
B. Joined super class
C. Total super class
D. Partial super class
Answer» E.
24.

Kind of class whose entities belongs to some other data class is called

A. Concrete classes
B. Abstract classes
C. Leaf node classes
D. Template classes
Answer» B. Abstract classes
25.

According to enhanced-entity relationships, association between super class and subclass is as

A. Super class is subset of subclass
B. Subclass is subset of super class
C. Subclass is partial joint of super class
D. Super class is partial joint of subclass
Answer» C. Subclass is partial joint of super class
26.

Possible specialization constraint includes

A. Disjoint and total
B. Overlapping and total
C. Overlapping and partial
D. All of above
Answer» E.
27.

Hierarchy in which each subclass participates in one subclass relationship is classified as

A. Specialization hierarchy
B. Generalization hierarchy
C. Jointness hierarchy
D. Disjoint hierarchy
Answer» B. Generalization hierarchy
28.

Type of lattice in which a subclass can be class or subclass in more than one association of subclasses is classified as

A. Attribution lattice
B. Specialization lattice
C. Generalization lattice
D. Disjoint lattice
Answer» C. Generalization lattice
29.

Concept in which shared subclass take over relationship from multiple classes is considered as

A. Joint inheritance
B. Partial inheritance
C. Multiple inheritance
D. Independent inheritance
Answer» D. Independent inheritance
30.

IS-AN-INSTANCE-OF and IS-A-MEMBER-OF are types of relationships to associate

A. Object instance to object class
B. Leaf instance to node class
C. Union instance to object class
D. Intersect instance to object class
Answer» B. Leaf instance to node class
31.

Generalization and specialization lattices are classified as

A. Single aggregation
B. Multiple inheritance
C. Single inheritance
D. Multiple aggregation
Answer» C. Single inheritance
32.

Inverse process of classification which focuses on specific examination of different entities of classes is called

A. Identification
B. Exception abstract
C. Classification
D. Instantiation
Answer» E.
33.

Type of attributes that are applicable to specific subclasses is classified as

A. Aggregate attributes
B. Segregate attributes
C. Public attributes
D. Local attributes
Answer» E.
34.

Type of specialization in which all subclasses have membership condition on super class of similar attribute is classified as

A. Constraint-defined specialization
B. Key-defined specialization
C. Entity-defined specialization
D. Attribute-defined specialization
Answer» E.
35.

In process of specialization, specific attributes are also classified as

A. Public attributes
B. Local attributes
C. Aggregate attributes
D. Segregate attributes
Answer» C. Aggregate attributes
36.

Predicate-defined subclasses are also known as

A. Condition-defined subclasses
B. Non condition subclasses
C. Aggregation subclasses
D. Segregation subclasses
Answer» B. Non condition subclasses
37.

Which of the following is NOT a E-R model of all versions of the E-R model?

A. Entities
B. Attributes
C. Relationships
D. Primary keys
Answer» E.
38.

In enhanced-entity-relationship, collection of entities in form of set is classified as

A. Object
B. Schema
C. Class
D. Construct
Answer» D. Construct
39.

Entity involved in process of specialization is considered as

A. Medium class of entity
B. Mini class of entity
C. Subclass of entity
D. Super class of entity
Answer» E.
40.

Subclass which represent objects collection of distinct entity types is classified as

A. Partial type
B. Intersection type
C. Union type
D. Both b and c
Answer» E.
41.

Procedure of building composite objects from components of objects is classified as

A. Aggregation
B. Segregation
C. Aggregate synthesis
D. Aggregate refinement
Answer» B. Segregation
42.

Consider representation of specialization and generalization, filled triangle is used to indicate constraint called

A. Overlapping constraint
B. Disjoint node
C. Shared base constraint
D. Schema construct
Answer» B. Disjoint node
43.

Considering constraints of generalization and specialization, constraint of disjointness and completeness is usually

A. Non calculated
B. Non defined
C. Independence
D. Dependence
Answer» D. Dependence
44.

The attribute name could be structured as a attribute consisting of first name, middle initial, and last name. This type of attribute is called

A. Simple attribute
B. Composite attribute
C. Multivalued attribute
D. Derived attribute
Answer» C. Multivalued attribute
45.

Relationship between vocabulary to represent different concepts is classified as

A. Dictionary
B. Thesaurus
C. Glossary
D. All of above
Answer» E.
46.

The attribute AGE is calculated from DATE_OF_BIRTH . The attribute AGE is

A. Single valued
B. Multi valued
C. Composite
D. Derived
Answer» E.
47.

Consider representation of specialization and generalization, blank triangle is used to indicate specific constraint called

A. Disjoint node
B. Shared base constraint
C. Schema construct
D. Disjoint constraint
Answer» E.
48.

Web project which allows exchange of information among different computers on Web is classified as

A. Segregate web
B. Conceptual web
C. Semantic web
D. Aggregate web
Answer» D. Aggregate web
49.

Which of the following can be a multivalued attribute ?

A. Phone_number
B. Name
C. Date_of_birth
D. All of the mentioned
Answer» B. Name
50.

Which of the following is a single valued attribute

A. Register_number
B. Address
C. SUBJECT_TAKEN
D. Reference
Answer» B. Address
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