
1-12 Эвелина 2
Authored by Evelina Ugai
Information Technology (IT)
University
Used 6+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of data analysis?
To extract meaningful insights from raw data for decision-making
To manually process large datasets without software
To randomly store data for future use
To eliminate the need for human decision-making
To generate random reports without interpretation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a key component of data management?
Social media marketing
Web development
Video editing
Data governance
Hardware maintenance
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of normalization in database design?
To remove duplicate records permanently
To decrease system security
To delete primary keys from tables
To add redundant data for faster access
To organize data efficiently and reduce redundancy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an Entity-Relationship (ER) model used for?
Designing network topologies
Increasing query execution speed
Formatting user interfaces
Encrypting database files
Structuring data relationships in database design
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a type of database model?
Hierarchical
NoSQL
Computational
Object-oriented
Relational
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which SQL command is used to retrieve data from a database?
UPDATE
SELECT
INSERT
ALTER
DELETE
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of a Database Management System (DBMS)?
Controlling internet access
Designing front-end applications
Running operating system processes
Managing only network security
Storing, retrieving, and managing data in a structured way
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