Features supported by the FlatList component (Select all):

❌ Sectional support
✅ Pull to refresh support
✅ Fully cross-platform
✅ Header, footer and separator support

Explanation:
FlatList supports pull-to-refresh, works on iOS/Android, and allows custom headers, footers, and separators.
Section support is only in SectionList, not FlatList.

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Question 2

Required FlatList props:

❌ keyExtractor
✅ data
❌ sections
✅ renderItem

Explanation:
data and renderItem are mandatory.
keyExtractor is recommended but optional.
sections is for SectionList, not FlatList.

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Question 3

React Navigation methods to move between screens:

❌ navigation.pop(‘Details’)
❌ navigation.goTo(‘Details’)
✅ navigation.navigate(‘Details’)

Explanation:
navigate() is the correct method.
pop() removes screens, not navigate.
goTo() doesn’t exist.

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Question 4

Option used to customize each screen’s header in React Navigation:

✅ options
❌ headerOptions
❌ screenOptions

Explanation:
options is used inside each screen to customize header and screen behavior.
screenOptions applies to all screens globally.

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Question 5

Which request method is used by fetch in the code?

❌ POST
❌ PUT
✅ GET

Explanation:
fetch() defaults to the GET method unless another method is defined.

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Question 6

Correct JSON syntax rules (select all):

✅ Keys and values are separated with a colon.
✅ Elements in an array are separated with commas.
❌ Objects are separated by enclosing each one in square brackets.

Explanation:
Square brackets represent an array, not separate objects.

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Question 7

Best place to populate AsyncStorage data on app startup:

❌ Inside the render part
❌ In a separate file
✅ Inside a useEffect with no dependencies

Explanation:
A useEffect(() => {}, []) runs once after initial render—perfect for loading stored data.

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Question 8

API that removes all AsyncStorage data:

✅ clear
❌ multiRemove
❌ removeItem

Explanation:
clear() wipes all app storage.
multiRemove() removes selected keys.
removeItem() removes one key.

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Question 9

Best place to open a SQLite DB connection:

❌ Inside useEffect
❌ In a separate file
✅ In the app entry file, at the top

Explanation:
Expo SQLite must open the DB once at the top-level before components mount.

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Question 10

SQL keyword for inserting variables as parameters:

❌ The ! keyword
✅ The ? keyword
❌ The INSERT keyword

Explanation:
? is used for prepared statements to safely pass variables into SQL queries.

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