Kiara is working on a project that requires storing a large amount of data for her company. Which of the following is a common data storage solution she might use?
Understanding Data in Digital Services

Quiz
•
Computers
•
11th Grade
•
Hard

Samuel Markham
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Floppy Disks
Solid State Drives (SSD)
Punch Cards
Compact Discs (CD)
Answer explanation
Solid State Drives (SSD) are a modern and efficient data storage solution, ideal for large amounts of data due to their speed and reliability. Floppy disks, punch cards, and CDs are outdated and not suitable for current data storage needs.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Arthur is working on a project to improve the efficiency of his company's data management. What is the primary purpose of data modelling in this context?
To create physical copies of data
To visualise data trends
To organise and structure data for efficient use
To delete unnecessary data
Answer explanation
The primary purpose of data modelling is to organise and structure data for efficient use. This helps improve data management by ensuring that data is easily accessible and usable, which is crucial for Arthur's project.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Emily is responsible for managing sensitive customer data at her company. Which of the following is a key practice she should follow to ensure data security?
Sharing passwords with colleagues
Using encryption to protect data
Storing all data on a single device
Disabling firewalls
Answer explanation
Using encryption to protect data is crucial for safeguarding sensitive customer information. It ensures that even if data is intercepted, it remains unreadable without the proper decryption key, thus enhancing data security.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a relational database, what is a 'primary key' used for?
To encrypt data
To uniquely identify each record in a table
To store large files
To create visual reports
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of big data?
Small data sets
Low velocity
High volume and variety
Limited data sources
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which data modelling technique uses entities and relationships to represent data?
Hierarchical Model
Network Model
Entity-Relationship Model
Object-Oriented Model
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common advantage of using cloud storage for businesses?
Limited access to data
High maintenance costs
Accessibility from anywhere with internet
Data loss during power outages
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