SS3 third Term Data processing past questions and answers

SS3 third Term Data processing past questions and answers

SS3 data processing questions with options and answers:

Question: What does the acronym SQL stand for in the context of databases?

A) Structured Query Language

B) Sequential Query Logic

C) Systematic Question Link

D) Secure Quantitative Language

Answer: A) Structured Query Language

Question: Which data processing method involves detecting and correcting errors in data?

A) Data normalization

B) Data validation

C) Data encryption

D) Data aggregation

Answer: B) Data validation

Question: In the context of data storage, what is a cloud database?

A) A physical database server

B) A database stored on a local computer

C) A database hosted on a cloud platform

D) A type of data compression algorithm

Answer: C) A database hosted on a cloud platform

Question: What is the role of a data governance framework?

A) To increase data redundancy

B) To define rules and policies for managing and using data

C) To delete data permanently

D) To compress data for storage

Answer: B) To define rules and policies for managing and using data

Question: Which data storage technology uses a laser to read and write data on optical discs?

A) Hard Disk Drive (HDD)

B) Solid State Drive (SSD)

C) Magnetic Tape

D) CD-ROM

Answer: D) CD-ROM

Question: What is a data warehouse dimension?

A) A unit of data storage

B) A specialized subset of a data warehouse

C) A key for encrypting data

D) A categorical or descriptive attribute in a data warehouse

Answer: D) A categorical or descriptive attribute in a data warehouse

Question: Which data processing task involves combining columns from two or more tables based on related columns?

A) Data normalization

B) Data validation

C) Data encryption

D) Data joining

Answer: D) Data joining

Question: What is the purpose of data compression in data storage?

A) To increase data redundancy

B) To delete data permanently

C) To reduce storage space and speed up data transmission

D) To introduce errors in data

Answer: C) To reduce storage space and speed up data transmission

Question: Which data structure is commonly used for representing hierarchical relationships in a graphical format?

A) Array

B) Linked list

C) Tree

D) Queue

Answer: C) Tree

Question: What is the significance of the "ORDER BY" clause in a database query?

A) It specifies the columns to retrieve

B) It defines the sorting order

C) It filters the rows to be retrieved

D) It groups rows based on a specified column or columns

Answer: B) It defines the sorting order

Question: In data processing, what is a batch job?

A) A job that processes data in real-time

B) A job that processes data in small, discrete units

C) A job that processes data without interruption

D) A job that introduces errors in data

Answer: B) A job that processes data in small, discrete units

Question: What is the purpose of a data lake?

A) To store and manage structured data only

B) To store and manage unstructured and structured data in its raw format

C) To delete data permanently

D) To increase data redundancy

Answer: B) To store and manage unstructured and structured data in its raw format

Question: Which data processing method involves combining multiple data sources to provide a unified view?

A) Data cleansing

B) Data integration

C) Data validation

D) Data aggregation

Answer: B) Data integration

Question: What is the purpose of a data access control list (ACL)?

A) To increase data redundancy

B) To delete data permanently

C) To control access to data by specifying permissions

D) To compress data for storage

Answer: C) To control access to data by specifying permissions

Question: In the context of databases, what is indexing?

A) A method for deleting data permanently

B) A process of creating a backup of the entire database

C) A technique to speed up data retrieval by creating a data structure

D) A method for increasing data redundancy

Answer: C) A technique to speed up data retrieval by creating a data structure

Question: What is the purpose of a data quality assessment?

A) To increase data redundancy

B) To delete data permanently

C) To evaluate and improve the accuracy and reliability of data

D) To compress data for storage

Answer: C) To evaluate and improve the accuracy and reliability of data

Question: Which type of database model organizes data into tables and uses relationships between tables?

A) Hierarchical database model

B) Network database model

C) Relational database model

D) Object-oriented database model

Answer: C) Relational database model

Question: What is the purpose of a data lifecycle?

A) To increase data redundancy

B) To define the stages through which data evolves from creation to deletion

C) To delete data permanently

D) To compress data for storage

Answer: B) To define the stages through which data evolves from creation to deletion

Question: In the context of data security, what is multi-factor authentication?

A) Using multiple data storage devices

B) Using multiple data compression algorithms

C) A method for increasing data redundancy

D) Requiring users to provide multiple forms of identification to access data

Answer: D) Requiring users to provide multiple forms of identification to access data

Question: What is the purpose of a data packet in network communication?

A) To increase data redundancy

B) To delete data permanently

C) To organize and transport data over a network

D) To compress data for storage

Answer: C) To organize and transport data over a network