MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 251 Mcqs, each offering curated multiple-choice questions to sharpen your Neural Networks knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
Which of the following is true concerning the following statement:class Manager extends Employee |
| A. | Manager is a concrete class and a superclass. |
| B. | Manager is a concrete class and a subclass. |
| C. | Manager is an abstract class and a superclass. |
| D. | Manager is an abstract class and a subclass. |
| Answer» C. Manager is an abstract class and a superclass. | |
| 152. |
The capacity to alter the database schema at one level without altering any other schema level is classified as |
| A. | data mapping |
| B. | data independence |
| C. | data dependence |
| D. | data transformation |
| Answer» C. data dependence | |
| 153. |
In database management system, the current set of instance or database snapshot is also called |
| A. | mathematical operators of schema |
| B. | logical operators of schema |
| C. | extension of schema |
| D. | intension of schema |
| Answer» D. intension of schema | |
| 154. |
SET concept is used in : |
| A. | Network Model |
| B. | Hierarchical Model |
| C. | Relational Model |
| D. | None of these |
| Answer» B. Hierarchical Model | |
| 155. |
Entity Relationship model consists of collection of basic objects called _________ and relationship among these objects. |
| A. | functions |
| B. | models |
| C. | entities |
| D. | None of these |
| Answer» D. None of these | |
| 156. |
Which of the following is example of Object based logical model ? |
| A. | Entity Relationship Model |
| B. | Hierarchical Model |
| C. | Relational Model |
| D. | Network Model |
| Answer» B. Hierarchical Model | |
| 157. |
A main purpose of DBMS is to provide ____________ view of data to user. |
| A. | Abstract |
| B. | Partial |
| C. | Complete |
| D. | None of these |
| Answer» E. | |
| 158. |
In data modeling, the data constraints, data relationships and data types for the stored data are classified as |
| A. | logical design of database |
| B. | structure of database |
| C. | server module of database |
| D. | client module of database |
| Answer» C. server module of database | |
| 159. |
The features which allows users to update the database and specifying retrievals are part of |
| A. | basic set of operations |
| B. | basic set of design |
| C. | basic set of modules |
| D. | basic set of instructions |
| Answer» B. basic set of design | |
| 160. |
In client - server architecture, the system which consists of software's and peripheral devices for archiving, printing and accessing files is called |
| A. | server |
| B. | host |
| C. | module |
| D. | client |
| Answer» B. host | |
| 161. |
The form of data model which focuses the concepts in the same way as the data stored in computer system is classified as |
| A. | low level data models |
| B. | high level data models |
| C. | dynamic data models |
| D. | medium level data models |
| Answer» B. high level data models | |
| 162. |
While designing the database management system, if the performance is the main issue to be considered then the DBMS designed is called |
| A. | special purpose DBMS |
| B. | general purpose DBMS |
| C. | non-classical DBMS |
| D. | classical DBMS |
| Answer» B. general purpose DBMS | |
| 163. |
______________ express the number of entities to which another entity can be associated via a relationship set. |
| A. | Logical Cardinality |
| B. | Mapping Cardinality |
| C. | Messaging Cardinality |
| D. | None of these |
| Answer» C. Messaging Cardinality | |
| 164. |
The database management architecture in which there is middle level between database server and client server is classified as |
| A. | three-tier architecture |
| B. | two-tier architecture |
| C. | single-tier architecture |
| D. | three way DBMS module |
| Answer» B. two-tier architecture | |
| 165. |
In Three-Schema Architecture, the schema which gives the description about physical data model, access path and details of storage of data is called |
| A. | logical schema |
| B. | conceptual schema |
| C. | internal schema |
| D. | external schema |
| Answer» D. external schema | |
| 166. |
All the information about usage standards, decision of designs, user information and description of application programs is stored in |
| A. | data repository |
| B. | data utility |
| C. | data compiler |
| D. | data host |
| Answer» B. data utility | |
| 167. |
The type of legacy data model in which related records are represented by each hierarchy in the tree structure is classified as |
| A. | network relational models |
| B. | legacy network model |
| C. | hierarchy models |
| D. | network model |
| Answer» D. network model | |
| 168. |
_______ of abstraction explains how data is actually stored and describes the Data Structure and Access methods used by database. |
| A. | Conceptual Level |
| B. | View Level |
| C. | Physical Level |
| D. | None of the above |
| Answer» D. None of the above | |
| 169. |
The hierarchical models and network models are classified as |
| A. | non-classical models |
| B. | legacy data models |
| C. | classical models |
| D. | historic models |
| Answer» C. classical models | |
| 170. |
If the high level data manipulation language is used in standalone interface manner then this language is considered as |
| A. | host language |
| B. | sublanguage |
| C. | query language |
| D. | scheming language |
| Answer» D. scheming language | |
| 171. |
The database catalog or dictionary defining the descriptive information which is stored in database is called |
| A. | constrained data |
| B. | metadata |
| C. | basic data |
| D. | filtered data |
| Answer» C. basic data | |
| 172. |
The data model which uses the concepts such as attributes, relationships and entities is classified as |
| A. | conceptual data model |
| B. | representative data models |
| C. | graphical data models |
| D. | occasional data models |
| Answer» B. representative data models | |
| 173. |
In the architecture of a database system external level is the |
| A. | physical level |
| B. | logical level |
| C. | conceptual level |
| D. | view level |
| Answer» E. | |
| 174. |
____________ means to hide certain details of how data is stored and maintain. |
| A. | Data Abstraction |
| B. | Data Integrity |
| C. | Data Isolation |
| D. | None of these |
| Answer» B. Data Integrity | |
| 175. |
In categories of data modeling, the low level data models are also called |
| A. | conceptual data models |
| B. | physical data models |
| C. | triggered data models |
| D. | logical data models |
| Answer» C. triggered data models | |
| 176. |
The type of data independence in which the internal schema can be modified without modifying the conceptual schema is classified as |
| A. | logical data independence |
| B. | physical data independence |
| C. | conceptual level independence |
| D. | external level independence |
| Answer» C. conceptual level independence | |
| 177. |
The type of server in two-tier architectures which provides the data to client stored on disk pages is called |
| A. | transaction server |
| B. | functional server |
| C. | disk server |
| D. | data server |
| Answer» E. | |
| 178. |
Physical Data Independence is ability to modify _____________ without causing application program to rewrite. |
| A. | Physical Schema |
| B. | Conceptual Schema |
| C. | Logical Schema |
| D. | None of the above |
| Answer» B. Conceptual Schema | |
| 179. |
In a Hierarchical model records are organized as |
| A. | Graph |
| B. | List |
| C. | Links |
| D. | Tree |
| Answer» E. | |
| 180. |
If the commands of data manipulation language are embedded in general programming language then that programming language is called |
| A. | scheming language |
| B. | host language |
| C. | sublanguage |
| D. | admitting language |
| Answer» C. sublanguage | |
| 181. |
In Object Oriented Model values are stored into __________ variables. |
| A. | Instance |
| B. | Local |
| C. | Static |
| D. | Global |
| Answer» B. Local | |
| 182. |
In computer, ISO developed in a city of Switzerland which is |
| A. | Uster |
| B. | Bern |
| C. | Geneva |
| D. | Basel |
| Answer» D. Basel | |
| 183. |
The top most layer of computer OSI model is |
| A. | application |
| B. | session |
| C. | transport |
| D. | presentation |
| Answer» B. session | |
| 184. |
In transport layer, the message is divided into transmittable |
| A. | packets |
| B. | bits |
| C. | Segments |
| D. | frames |
| Answer» D. frames | |
| 185. |
Transmission Control Protocol/Internet Networking Protocol have |
| A. | Four Layers |
| B. | Five Layers |
| C. | Six Layers |
| D. | Seven Layers |
| Answer» B. Five Layers | |
| 186. |
In computer, ISO stands for |
| A. | international standards organization |
| B. | independent system operator |
| C. | infrared space observatory |
| D. | international students organization |
| Answer» B. independent system operator | |
| 187. |
Dialog Control and Synchronization are function of which layer? |
| A. | Presentation Layer |
| B. | Application Layer |
| C. | Session Layer |
| D. | Data Link Layer |
| Answer» D. Data Link Layer | |
| 188. |
The packets of data that is transported by IP is called |
| A. | datagrams |
| B. | Frames |
| C. | Segments |
| D. | Encapsulate message |
| Answer» B. Frames | |
| 189. |
UDP stands for ________ |
| A. | User Datagram Protocol |
| B. | Used Data Protocol |
| C. | Unified Definition Protocol |
| D. | Undefined Diagnostic Protocol |
| Answer» B. Used Data Protocol | |
| 190. |
The session layer is responsible for |
| A. | Error Control and Flow Control |
| B. | Framing and Access Control |
| C. | dialog control and synchronization |
| D. | Segmentation and reassembly |
| Answer» D. Segmentation and reassembly | |
| 191. |
The network layer is responsible for the |
| A. | Node to node communication |
| B. | Source to destination |
| C. | Hop to hop communication |
| D. | both b and c |
| Answer» C. Hop to hop communication | |
| 192. |
ICMP stands for ________ |
| A. | Internal Control Message Protocol |
| B. | Internet Cipher Mail Protocol |
| C. | Internal Cipher Mail Protocol |
| D. | Internet Control Message Protocol |
| Answer» E. | |
| 193. |
Framing, Error Control, Flow control, Access control are the responsibilities of |
| A. | 1st layer |
| B. | 2nd layer |
| C. | 3rd layer |
| D. | 4th layer |
| Answer» C. 3rd layer | |
| 194. |
The size and format of physical addresses vary depending on the |
| A. | Receiver |
| B. | Message |
| C. | Sender |
| D. | Network |
| Answer» E. | |
| 195. |
The both TCP and SCTP protocols are |
| A. | Connection less |
| B. | connection oriented |
| C. | start but no ending |
| D. | None of Above |
| Answer» C. start but no ending | |
| 196. |
The bottom layer of computer OSI model is |
| A. | physical |
| B. | data link |
| C. | network |
| D. | application |
| Answer» B. data link | |
| 197. |
The TCP/IP layer is equivalent to combined Session, Presentation and |
| A. | Network layer |
| B. | Application layer |
| C. | Transport layer |
| D. | both a and c |
| Answer» C. Transport layer | |
| 198. |
Error Control and Flow Control are the responsibilities of |
| A. | data link and network Layers |
| B. | data link and Physical Layer |
| C. | Application and Presentation Layer |
| D. | data link and Transport Layer |
| Answer» E. | |
| 199. |
At the transport layer, TCP/IP defines |
| A. | Transmission Control Protocol |
| B. | User Datagram Protocol |
| C. | Stream Control Transmission Protocol |
| D. | All of the above |
| Answer» E. | |
| 200. |
The length of Port addresses in TCP/IP are |
| A. | 4bit long |
| B. | 16bit long |
| C. | 32bit long |
| D. | None of Above |
| Answer» C. 32bit long | |