Data or Web Scraping — Learn free

Self-check

Questions 1–10 of 10

1. By what other name is data scraping known?
Question 1A. Data maskingB. Web scrapingC. Data miningD. Data federationE. Screen printing
2. What is the minor difference between data scraping and web scraping?
Question 2A. Data scraping is legal while web scraping is notB. Data scraping works only on databases, web scraping only on spreadsheetsC. Data scraping searches for the data's location and extracts it precisely, whereas web scraping extracts everything from web pagesD. Web scraping requires a key, data scraping does notE. Data scraping copies and pastes, web scraping does not
3. What is data or web scraping, as a process?
Question 3A. Encrypting web traffic between two serversB. Importing information from a website into a spreadsheet or local file on your computerC. Publishing a database as a public web serviceD. Deleting duplicate pages from a websiteE. Compressing images on a web page
4. Which of the following is a popular use of data scraping?
Question 4A. Pricing for travel booking and price comparison sitesB. Encrypting customer recordsC. Building a data warehouse schemaD. Managing user access control listsE. Decoding analog signals
5. Which of the following is NOT listed as a popular use of data scraping?
Question 5A. Research for web content or business intelligenceB. Finding sales leads by crawling public data sourcesC. Sending product data from an e-commerce site to another online vendorD. Pricing for price comparison sitesE. Migrating a database to the cloud
6. Which public data sources are given as examples for finding sales leads by scraping?
Question 6A. Facebook and InstagramB. Yell and TwitterC. Google Shopping and AmazonD. LinkedIn and WikipediaE. Bing and Yahoo
7. In the e-commerce example, product data is scraped from an online shop and sent to which destination?
Question 7A. A data warehouseB. A regulatorC. Google ShoppingD. A VPNE. A backup server
8. What benefit does scraping offer for unstructured, scattered data?
Question 8A. It encrypts the data so it cannot be stolenB. It collects it in one place and makes it structured for better useC. It deletes it to reduce storageD. It converts it into analog signalsE. It keeps it within national borders
9. What is described as the dark side of data scraping?
Question 9A. Slowing down the websites being scrapedB. Breaking referential integrityC. Its misuse for email harvesting, with addresses sold to spammers or scammersD. Corrupting spreadsheets with bad formattingE. Storing data across borders
10. Which department is data scraping normally known by, and with whom is it tagged?
Question 10A. The finance department, tagged with auditorsB. The security department, tagged with hackersC. The marketing department, tagged with designersD. The HR department, tagged with recruitersE. The data science team, tagged with statisticians