LookML-Developer by Google Valid Free Exam Practice Test

Question 1

Users report that the main dashboard has been slow to show results.
Which two options should the developer evaluate to improve dashboard performance? (Choose two.)

A. Format used to deliver these reports B. Ratio of visualizations to text tiles C. Number of databases used by dashboard elements D. Number of queries used by the dashboard E. Amount of data rendered for each query

Correct Answer: B,D

Question 2

Two developers are working on adding a new view to a project. Once both developers have finished their work in the view, the changes will be pushed to production.
Where should the developers write the LookML for this view?

A. In a new shared branch created from the master branch B. In the master branch, with both users writing to the branch C. In each of their personal branches, with each user writing code separately D. In one user's personal branch, with both users writing to the branch

Correct Answer: A

Question 3

A developer has created a persistent derived table that tracks new or updated orders and they want to cache the results. The cache should be refreshed whenever some new order is available on the underlying datasource table my tablename or at least every 24 hours.
Which datagroup definition will refresh the cache as expected?
A)

B)

C)

D)

A. Option B B. Option A C. Option D D. Option C

Correct Answer: B

Question 4

A developer wants to create a new Explore based on the order_items view. The developer creates an Explore in the ecommerce model file with the following definition:
explore: order_items {}
After saving and validations, the developer receives this LookML validator error:
Inaccessible view "inventory_items", "inventory_items" is not accessible in explore" "order_items". Check for typos and missing joins in explore "order_items".
What caused this error to appear?

A. There is an Explore named inventory_items which references the order_items view. B. A field in the inventory_items view references a field in the order_items view. C. A field in the order_items view references a field in the inventory_items view. D. There is another Explore named order_items which references the inventory_items view.

Correct Answer: C

Question 5

Users report that every time they change the filter on their Explore, the filters take a very long time to populate.
How can the developer improve the filtering experience with this Explore?

A. Limit the filter suggestions using the suggestions parameter. B. Use an access_filter parameter to automatically apply filters. C. Add an always_filter parameter to restrict the filter suggestions. D. Add persistence to the base view of the Explore.

Correct Answer: A

Question 6

After running the LookML Validator, a developer sees the following error message in the Looker development environment:
"Measures with Looker aggregations (sum, average, min, max, list types) may not reference other measures".
What could be causing this error?

A. A measure of type: sum adds up other measures in the sql parameter. B. A measure of type: sum has a SUM function written in the sql parameter. C. A measure of type: count has a sql parameter defined. D. A measure of type: number has a SUM function written in the sql parameter.

Correct Answer: C

Google Looker LookML Developer - LookML-Developer Exam Practice Test