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Quiz 1 (Introduction to GEE)
This is a short quiz to test your understanding of concepts covered in Part 1 of Introduction to GEE Workshop.
- Each question carries 2 point.
- You will see the results immediately after submitting the quiz.
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* Indicates required question
Which is the correct syntax for a list in Javascript?
*
2 points
{'a', 'b', 'c'}
('a', 'b', 'c')
['a', 'b', 'c']
'a', 'b', 'c'
Which function helps you find out how many images are there in a collection?
*
2 points
count()
size()
limit()
length()
What is wrong with the following Export function that is meant to export a Landsat-8 composite image?
Export.image.toDrive({
image: exportImage,
fileNamePrefix: 'l8_composite',
scale: 30,
maxPixels: 1e9
});
*
2 points
It is missing the 'region' parameter
It is missing the 'folder' parameter
It is missing the 'format' parameter
It is missing the 'description' parameter
Which is the correct syntax to apply a filter to select the country feature for 'Japan' from a FeatureCollection 'fc' having a property 'country_na' containing the name of the country?
*
2 points
fc.filter('country_na', 'Japan')
fc.filter(
ee.Filter.name
('Japan'))
fc.filter(ee.Filter.eq('country_na', 'Japan')
fc.select('country_na', 'Japan')
What is the type of object that will result after running the code below?
ee.ImageCollection('ESA/WorldCover/v200').first();
*
2 points
ImageCollection
Image
List
FeatureCollection
How do you select a band named 'QA60' from an image called 'image'?
*
2 points
image.eq('QA60')
image.filter(ee.Filter.eq('band', 'QA60')
image.select('QA60')
image.get('QA60')
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