File Compression and ZIP Archive Fundamentals

Auto audio on: the next questions will be read aloud when you click Continue.

1. 1

   What is a primary practical purpose of creating a compressed archive?

   A To combine files into one package and often reduce their total size B To convert every included file into an executable program C To permanently remove the original filenames and folder structure
2. 2

   Which filename extension normally identifies a ZIP archive?

   A .txt B .zip C .exe
3. 3

   Which statement correctly describes lossless compression?

   A It removes selected data that cannot be recovered B It reduces size only by lowering image resolution C It allows the original data to be reconstructed exactly
4. 4

   Which computer operation is represented by the diagram?

   

   A Creating a compressed archive B Deleting a folder permanently C Installing an operating system
5. 5

   What does it mean to extract a ZIP archive?

   A To upload the archive to cloud storage B To create accessible copies of its contained files and folders C To increase the compression level without opening it
6. 6

   Why might placing JPEG photographs into a ZIP archive produce only a small size reduction?

   A ZIP archives cannot contain image files B ZIP automatically converts JPEG files into larger bitmap files C JPEG data is usually already compressed
7. 7

   What archive feature is represented by the padlock in the image?

   

   A Encryption or password protection B Automatic backup scheduling C File format conversion
8. 8

   Why is a ZIP archive useful when emailing a folder containing many documents?

   A It guarantees that every email provider will accept files of any size B It packages the documents into one attachment while preserving their organization C It automatically publishes the documents on the internet
9. 9

   What does a CRC or checksum error reported while extracting an archive usually indicate?

   A The archive contains too many folders B The destination folder has a different name C The stored data may be corrupted or incomplete
10. 10

    After the illustrated Extract All operation finishes successfully, what should appear in the destination folder?

    

    A Normal copies of the files contained in the archive B Only a shortcut pointing to the unopened archive C A second archive with stronger compression
11. 11

    A 100 MB folder becomes a 25 MB archive. What percentage reduction in size was achieved?

    

    A 25% B 75% C 400%
12. 12

    What is the safest action before opening an executable file found inside an archive from an unfamiliar sender?

    A Rename the executable so its extension is hidden B Extract and run it immediately to determine what it does C Verify the sender and scan the archive or file with security software
13. 13

    The image shows one archive divided into numbered parts. What is generally required to extract it successfully?

    

    A Keep every part together and begin extraction from the first part B Open each part separately and save each result under a different name C Delete the first part because it contains only an index