Technician (Diploma) Practice Exam
Question 1. What is the primary purpose of a relational database management system (RDBMS)?
A) To store files securely
B) To manage and organize structured data
C) To back up data automatically
D) To create network diagrams
Answer: B
Explanation: RDBMS is designed to manage structured data by organizing it into tables, supporting data
consistency and efficient querying.
Question 2. Which component is essential for ensuring data integrity in a database?
A) Firewall
B) Primary key
C) Printer
D) Modem
Answer: B
Explanation: A primary key uniquely identifies each record, preventing duplicate entries and maintaining
data integrity.
Question 3. What does the term "data lifecycle" refer to?
A) The speed of a network
B) The stages data passes through, from creation to disposal
C) The lifespan of a computer
D) The number of columns in a table
Answer: B
Explanation: Data lifecycle describes stages such as creation, storage, usage, archiving, and deletion.
, NCFE Level 3 Technical Occupational Entry for the Data
Technician (Diploma) Practice Exam
Question 4. Which type of backup copies all data regardless of previous backups?
A) Differential backup
B) Incremental backup
C) Full backup
D) Partial backup
Answer: C
Explanation: A full backup creates a complete copy of all selected data.
Question 5. What is the key advantage of cloud storage over local storage?
A) Lower cost
B) Unlimited physical space
C) Accessibility from anywhere with internet
D) Faster hard drive speeds
Answer: C
Explanation: Cloud storage allows users to access data remotely, enhancing flexibility and collaboration.
Question 6. Which legislation is most relevant for data protection in the UK?
A) Copyright Act
B) Data Protection Act 2018
C) Freedom of Information Act
D) Health and Safety Act
Answer: B
Explanation: Data Protection Act 2018 governs how personal data is processed and protected in the UK.
, NCFE Level 3 Technical Occupational Entry for the Data
Technician (Diploma) Practice Exam
Question 7. What is an example of unstructured data?
A) Spreadsheet
B) Relational database
C) Email text
D) Table with columns
Answer: C
Explanation: Email text does not follow a structured format like tables or spreadsheets.
Question 8. What is the main function of a service desk in IT service management?
A) Software development
B) Providing technical support and resolving user issues
C) Web design
D) Network installation
Answer: B
Explanation: The service desk is the first point of contact for users needing IT help.
Question 9. Which network topology connects all devices to a central hub?
A) Ring
B) Mesh
C) Star
D) Bus
Answer: C
Explanation: Star topology has all devices connected to a central hub, simplifying management.
, NCFE Level 3 Technical Occupational Entry for the Data
Technician (Diploma) Practice Exam
Question 10. What does SaaS stand for in cloud computing?
A) Software as a Service
B) Security as a System
C) Storage and Access Solution
D) System application and service
Answer: A
Explanation: SaaS provides software applications over the internet, managed by a third party.
Question 11. What is the purpose of a firewall in a digital system?
A) Increasing RAM speed
B) Filtering and blocking unauthorized network access
C) Managing printers
D) Encrypting files only
Answer: B
Explanation: Firewalls protect systems by controlling incoming and outgoing network traffic.
Question 12. Which is a key feature of incremental backups?
A) Backs up all files every time
B) Copies only files changed since last backup
C) Backs up system files only
D) Requires no backup schedule
Answer: B
Explanation: Incremental backups save time and storage by copying only modified files.