WorksheetsWhat I Know ? CTech L3 Unit 2 Lo1 to Lo6
Total questions: 18
Worksheet time: 9mins
Which of the following storage media is known for its high capacity and relatively low cost, but is susceptible to magnetic fields?
Solid state drive (SSD)
Optical disc (DVD)
Magnetic hard drive
USB flash drive
Which protocol is the foundation for data communication across the Internet?
HTML
HTTP
TCP/IP
FTP
Which of these is a disadvantage of the Internet for organizations?
Increased global reach
Reduced communication costs
Vulnerability to cyberattacks
Faster information dissemination
Information classified as "confidential" typically requires:
Public access without restrictions.
Limited access to authorized personnel only.
Open sharing within the organization.
No specific security measures.
Which aspect of information quality refers to its accuracy and reliability?
Comparability
Validity
Bias
Accessibility
The process of organizing information for efficient access is known as:
Information collection
Information transmission
Information retrieval
Information storage
Which of the following is NOT a typical category of information used by individuals?
Financial analysis
Communication
Entertainment
Location-dependent
Which data analysis tool is used to visually represent relationships and patterns in data?
Tables
Trend identification
Visualization
Data cleaning
What is the main difference between data and information?
Data is processed information.
Information is raw, unprocessed facts.
Data is raw, unprocessed facts, and information is processed data.
There is no difference between data and information.
Which UK law protects individuals' personal data?
Computer Misuse Act 1990
Freedom of Information Act 2000
Data Protection Act 1998
Regulation of Investigatory Powers Act 2000
Which term describes the practice of reducing the environmental impact of IT?
Cybersecurity
Green IT
Data mining
Big data
The GDPR primarily focuses on:
intellectual property protection.
data protection and privacy within the European Union.
preventing cyberattacks.
regulating international trade.
Which type of data is collected directly from the source?
Secondary data
Qualitative data
Primary data
Quantitative data
In a data flow diagram, a rectangle represents:
A data store.
A process.
An external entity.
A data flow.
Qualitative data is best described as:
numerical data.
descriptive data.
measured data.
structured data.
Which security principle ensures that data is accurate and complete?
Confidentiality
Integrity
Availability
Authentication
Unauthorized access to information is a type of:
Accidental loss.
Intentional destruction.
Tampering.
Risk.
Which of the following is a logical protection measure?
Biometric scanners
Locks
Firewalls
Security guards
