Bubble.io Certified Developer
BUBBLE.IO CERTIFIED DEVELOPER EXAM QUESTIONS AND
CORRECT ANSWERS | LATEST VERSION 2026/2027
BUBBLE.IO CERTIFIED DEVELOPER
1. Which tab in the Bubble editor is used to define data types and their
fields?
A. Data tab
B. Styles tab
C. Workflow tab
D. Design tab
A. Data tab
Data types, fields, option sets, privacy rules and app data records are all
managed under the Data tab.
2. A developer needs a fixed list of values such as order statuses that
will rarely change and should load quickly without a database search.
What should be used?
A. A custom state on the page
B. A text field with comma-separated values
C. An option set
D. A new data type
C. An option set
Option sets are static, load with the app and do not cost a database
search, making them ideal for fixed lists like statuses.
Page 1 of 61
, Bubble.io Certified Developer
3. What is the main purpose of a repeating group in Bubble?
A. To run workflows on a schedule
B. To display a list of things in a structured, repeated layout
C. To store data permanently in the database
D. To group style settings for reuse
B. To display a list of things in a structured, repeated layout
A repeating group takes a list of data and repeats a cell layout once for
each item in that list.
4. Inside a repeating group cell, which data source refers to the specific
item displayed in that cell?
A. Parent group's [type]
B. Current cell's [type]
C. Search for [type]:first item
D. Current page's [type]
B. Current cell's [type]
Current cell's thing points to the item the repeating group is rendering in
that particular row or cell.
5. Which element property must be set on a group for its child
elements to reference 'Parent group's thing'?
A. Data source only
B. Layout type set to Fixed
C. Collapse when hidden
D. Type of content
D. Type of content
A group needs a Type of content defined so children can reference Parent
group's data of that type.
6. What does 'Current User' refer to when no one is logged in?
A. The most recently created user in the database
B. Nothing; the expression always throws an error
C. A temporary logged-out user object tied to the browser session
D. The app admin account
C. A temporary logged-out user object tied to the browser session
Bubble creates a temporary logged-out user for each visitor, and data
saved on it can carry over upon signup.
Page 2 of 61
, Bubble.io Certified Developer
7. Which responsive layout type arranges child elements vertically one
after another?
A. Align to parent
B. Row
C. Fixed
D. Column
D. Column
A Column container stacks its children top to bottom in the order they
appear in the element tree.
8. Which container layout allows elements to be positioned in one of
nine anchor points relative to the container?
A. Fixed
B. Align to parent
C. Row
D. Column
B. Align to parent
Align to parent lets each child snap to positions such as top-left, center or
bottom-right within the container.
9. In Bubble's responsive engine, what does checking 'Fit width to
content' on an element do?
A. Hides the element on mobile devices
B. Makes the element only as wide as the content inside it requires
C. Locks the element to a fixed pixel width
D. Stretches the element to fill the full page width
B. Makes the element only as wide as the content inside it requires
Fit width to content shrinks or expands the element's width to match the
content it contains.
Page 3 of 61
, Bubble.io Certified Developer
10. Where are privacy rules for a data type configured?
A. Data tab, under Privacy
B. Workflow tab, under Events
C. Design tab, under Element properties
D. Settings tab, under General
A. Data tab, under Privacy
Privacy rules are defined per data type in the Privacy section of the Data
tab.
11. What happens to data that a privacy rule hides from a user?
A. It is encrypted and shown as scrambled text
B. It is sent but rendered invisible on the page
C. It is not sent from the server to that user's browser
D. It is deleted from the database
C. It is not sent from the server to that user's browser
Privacy rules are enforced on the server, so protected data never reaches
the client of a user who lacks access.
12. Which workflow action is used to save a brand new record to the
database?
A. Set state
B. Display data in a group
C. Create a new thing
D. Make changes to a thing
C. Create a new thing
Create a new thing adds a new record of the chosen data type with the
field values provided.
13. Which action updates fields on an existing database record?
A. Copy a list of things
B. Create a new thing
C. Reset relevant inputs
D. Make changes to a thing
D. Make changes to a thing
Make changes to a thing modifies one or more fields on a record that
already exists.
Page 4 of 61
BUBBLE.IO CERTIFIED DEVELOPER EXAM QUESTIONS AND
CORRECT ANSWERS | LATEST VERSION 2026/2027
BUBBLE.IO CERTIFIED DEVELOPER
1. Which tab in the Bubble editor is used to define data types and their
fields?
A. Data tab
B. Styles tab
C. Workflow tab
D. Design tab
A. Data tab
Data types, fields, option sets, privacy rules and app data records are all
managed under the Data tab.
2. A developer needs a fixed list of values such as order statuses that
will rarely change and should load quickly without a database search.
What should be used?
A. A custom state on the page
B. A text field with comma-separated values
C. An option set
D. A new data type
C. An option set
Option sets are static, load with the app and do not cost a database
search, making them ideal for fixed lists like statuses.
Page 1 of 61
, Bubble.io Certified Developer
3. What is the main purpose of a repeating group in Bubble?
A. To run workflows on a schedule
B. To display a list of things in a structured, repeated layout
C. To store data permanently in the database
D. To group style settings for reuse
B. To display a list of things in a structured, repeated layout
A repeating group takes a list of data and repeats a cell layout once for
each item in that list.
4. Inside a repeating group cell, which data source refers to the specific
item displayed in that cell?
A. Parent group's [type]
B. Current cell's [type]
C. Search for [type]:first item
D. Current page's [type]
B. Current cell's [type]
Current cell's thing points to the item the repeating group is rendering in
that particular row or cell.
5. Which element property must be set on a group for its child
elements to reference 'Parent group's thing'?
A. Data source only
B. Layout type set to Fixed
C. Collapse when hidden
D. Type of content
D. Type of content
A group needs a Type of content defined so children can reference Parent
group's data of that type.
6. What does 'Current User' refer to when no one is logged in?
A. The most recently created user in the database
B. Nothing; the expression always throws an error
C. A temporary logged-out user object tied to the browser session
D. The app admin account
C. A temporary logged-out user object tied to the browser session
Bubble creates a temporary logged-out user for each visitor, and data
saved on it can carry over upon signup.
Page 2 of 61
, Bubble.io Certified Developer
7. Which responsive layout type arranges child elements vertically one
after another?
A. Align to parent
B. Row
C. Fixed
D. Column
D. Column
A Column container stacks its children top to bottom in the order they
appear in the element tree.
8. Which container layout allows elements to be positioned in one of
nine anchor points relative to the container?
A. Fixed
B. Align to parent
C. Row
D. Column
B. Align to parent
Align to parent lets each child snap to positions such as top-left, center or
bottom-right within the container.
9. In Bubble's responsive engine, what does checking 'Fit width to
content' on an element do?
A. Hides the element on mobile devices
B. Makes the element only as wide as the content inside it requires
C. Locks the element to a fixed pixel width
D. Stretches the element to fill the full page width
B. Makes the element only as wide as the content inside it requires
Fit width to content shrinks or expands the element's width to match the
content it contains.
Page 3 of 61
, Bubble.io Certified Developer
10. Where are privacy rules for a data type configured?
A. Data tab, under Privacy
B. Workflow tab, under Events
C. Design tab, under Element properties
D. Settings tab, under General
A. Data tab, under Privacy
Privacy rules are defined per data type in the Privacy section of the Data
tab.
11. What happens to data that a privacy rule hides from a user?
A. It is encrypted and shown as scrambled text
B. It is sent but rendered invisible on the page
C. It is not sent from the server to that user's browser
D. It is deleted from the database
C. It is not sent from the server to that user's browser
Privacy rules are enforced on the server, so protected data never reaches
the client of a user who lacks access.
12. Which workflow action is used to save a brand new record to the
database?
A. Set state
B. Display data in a group
C. Create a new thing
D. Make changes to a thing
C. Create a new thing
Create a new thing adds a new record of the chosen data type with the
field values provided.
13. Which action updates fields on an existing database record?
A. Copy a list of things
B. Create a new thing
C. Reset relevant inputs
D. Make changes to a thing
D. Make changes to a thing
Make changes to a thing modifies one or more fields on a record that
already exists.
Page 4 of 61
