introduction to data analytics coursera quiz answers week 2
Practice Quiz
1. What data type is typically found in databases and spreadsheets?
- Structured data
- Social media content
- Unstructured data
- Semi-structured data
2. Which of these data sources is an example of semi-structured data?
- Documents
- Social media feeds
- Emails
- Network and web logs
3. Which one of the provided file formats is commonly used by APIs and Web Services to return data?
- JSON
- Delimited file
- XLS
- XML
4. What is one example of the relational databases discussed in the video?
- Flat files
- SQL Server
- Spreadsheet
- XML
5. Which of the following languages is one of the most popular querying languages in use today?
- Java
- SQL
- R
- Python
Graded Quiz
6. In the data analyst’s ecosystem, languages are classified by type. What are shell and scripting languages most commonly used for?
- Manipulating data
- Building apps
- Querying data
- Automating repetitive operational tasks
7. Which of the following is an example of unstructured data?
- Spreadsheets
- Zipped files
- XML
- Video and audio files
8. Which one of these file formats is independent of software, hardware, and operating systems, and can be viewed the same way on any device?
- Delimited text file
- XML
- XLSX
Shuffle Q/A 1
9. Which data source can return data in plain text, XML, HTML, or JSON among others?
- API
- XML
- Delimited text file
10. According to the video “Languages for Data Professionals,” which of the programming languages supports multiple programming paradigms, such as object-oriented, imperative, functional, and procedural, making it suitable for a wide variety of use cases?
- Unix/Linux Shell
- Python
- PowerShell
- Java
