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Sample Questions
Question 1
The daily_forecast Explore used by the sales team needs to be cached for 24 hours. All
other Explores usedby the sales team need to be cached for one hour.
What is a scalable way to configure this caching logic?
A. Define two datagroups for the model. Apply persist_with at the model level with the
datagroup for 1-hour caching, and apply persist_with to daily_forecast with the datagroup
for 24-hour caching.
B. Define max_cache_age on daily_forecast Explores of 24 hours. Define max_cache_age
on all other Explores for one hour.
C. Define two datagroups for the model. Create a persistent derived table (PDT) forthe
daily_forecast Explore, and apply datagroup_trigger to it using the datagroup for 24-hour
caching.
D. Define for the model one datagroup that caches for 1 hour. Create a persistent derived
table (PDT) for the daily_forecast Explore, and apply sql_trigger_value to it selecting the
current date.
ANSWER : A
Question 2
A developer is defining the users table within a view file in Looker. Theusers table will be
available as an individual Explore and it will also be joined into other Explores, such as the
products Explore. The developer needs to limit the fields visible in the products Explore
without affecting the visibility of the fields in the users Explore.
How should the developer meet this requirement?
A. Use the fields parameter at the join level for the products Explore to specify which fields
should be included and leave the users Explore as is.
B. Create duplicate dimensions and measures, one for the users Explore and one for the
products Explore, and use the hidden parameter to modify the visibility of the fields.
C. Create two view files for the users table. One view file will have all possible fields for the
users Explore, and theother will have only the fields required for the products Explore.
D. Use the hidden parameter in the users view file for the fields that should not come over
to the products Explore and leave the users Explore as is.
ANSWER : A
Question 3
A developer creates a derived table and wants to add persistence to it. Because the table
is not used on a frequent basis, the developer wants thetable to be cached for 12 hours,
but only when a user has queried it.
Which persistence parameter should be added to the derived table’s definition in order to
satisfy this use case?
A.
persist_with: “12 hours”
B.
datagroup: 12_hours {
max_cache_age: “12 hours”
}
C.
persist_for: “12 hours”
D.
sql_trigger_value: SELECT FLOOR{UNIX_TIMESTAMP{} / {6*60*60}} ;;
ANSWER : A
Question 4
Users must be able to click on the Country field in their Explore and be redirected to
another Explore that shows all countries compared.
Which parameter should be added to the country dimension to create a connection to this
other associated Explore?
A. url_encode
B. drill_fields
C. tags
D. link
ANSWER : D
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. Add an always_filter parameter to restrict the filter suggestions.
C. Use an access_filter parameter to automatically apply filters.
D. Add persistence to the base view of the Explore.
ANSWER : A
EXAM CODE : LookML-Developer
