Fundamentals of Front End Development MCQs with Answers
Practice important Fundamentals of Front End Development MCQs with answers and explanations.
Chapter: 143
Q1601:
What is the main advantage of HTML5 Local Storage over cookies?
A. Larger data storage capacity
B. Better encryption
C. Faster retrieval times
D. Requires server support
Correct Answer:
A
Chapter: 143
Q1602:
Which object in HTML5 Local Storage stores data with no expiration date?
A. sessionStorage
B. cookieStorage
C. localStorage
D. temporaryStorage
Correct Answer:
C
Chapter: 143
Q1603:
How much data can typically be stored using HTML5 Local Storage?
A. 1 MB
B. 5 MB
C. 10 MB
D. 50 MB
Correct Answer:
B
Chapter: 143
Q1604:
What happens to data stored in sessionStorage when the browser tab is closed?
A. Data is preserved
B. Data is transferred to the server
C. Data is deleted
D. Data is encrypted
Correct Answer:
C
Chapter: 143
Q1605:
Which method is used to store data in localStorage?
A. storeItem()
B. setItem()
C. saveItem()
D. addItem()
Correct Answer:
B
Chapter: 143
Q1606:
Fill in the blank: To check if localStorage is supported by the browser, you should use the ______ method.
A. typeof()
B. isSupported()
C. checkStorage()
D. exists()
Correct Answer:
A
Chapter: 143
Q1607:
Fill in the blank: Data stored in localStorage is always saved as ______.
A. numbers
B. objects
C. arrays
D. strings
Correct Answer:
D
Chapter: 143
Q1608:
What is the correct syntax to remove an item from localStorage?
A. localStorage.deleteItem("key")
B. localStorage.removeItem("key")
C. localStorage.clear("key")
D. localStorage.remove("key")
Correct Answer:
B
Chapter: 143
Q1609:
Fill in the blank: The ______ object stores data that is only available for the duration of the page session.
A. sessionStorage
B. localStorage
C. cookieStorage
D. tempStorage
Correct Answer:
A
Chapter: 143
Q1610:
Which property of localStorage is used to retrieve data?
A. getItem()
B. fetchItem()
C. readItem()
D. retrieve()
Correct Answer:
A
Chapter: 143
Q1611:
Fill in the blank: The code localStorage.lastname = "Adeel"; is used to ______.
A. Retrieve data
B. Store data
C. Remove data
D. Check data
Correct Answer:
B
Chapter: 144
Q1612:
What is the main purpose of HTML5 Application Cache?
A. To increase server load
B. To enable offline browsing
C. To improve server speed
D. To store data in cookies
Correct Answer:
B
Chapter: 144
Q1613:
Which attribute must be added to the <html> tag to enable application cache?
A. cache
B. manifest
C. appcache
D. offline
Correct Answer:
B
Chapter: 144
Q1614:
What is the recommended file extension for a manifest file?
A. .html
B. .cache
C. .manifest
D. .appcache
Correct Answer:
D
Chapter: 144
Q1615:
Which section of the manifest file lists files that should be cached?
A. NETWORK
B. CACHE MANIFEST
C. FALLBACK
D. UPDATE
Correct Answer:
B
Chapter: 144
Q1616:
What is the purpose of the NETWORK section in a manifest file?
A. List files to be cached
B. Specify files that should never be cached
C. Provide fallback pages
D. Update cached files
Correct Answer:
B
Chapter: 144
Q1617:
Fill in the blank: The ______ section of the manifest file specifies fallback pages if a page is inaccessible.
A. CACHE MANIFEST
B. NETWORK
C. FALLBACK
D. UPDATE
Correct Answer:
C
Chapter: 144
Q1618:
Fill in the blank: The first line of a manifest file must be "______".
A. CACHE MANIFEST
B. NETWORK
C. FALLBACK
D. UPDATE
Correct Answer:
A
Chapter: 144
Q1619:
What should you do to ensure the browser updates the cached files?
A. Change the file on the server
B. Modify the manifest file
C. Clear the browser's cache
D. Disable caching
Correct Answer:
B
Chapter: 144
Q1620:
Fill in the blank: Files listed under the ______ header in the manifest file will be cached after they are downloaded for the first time.
A. CACHE MANIFEST
B. NETWORK
C. FALLBACK
D. UPDATE
Correct Answer:
A