EXT File System Overview

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Questions and Answers

What does a 0 in the block information allocation signify?

  • Block is locked
  • Block is occupied
  • Block is free (correct)
  • Block is corrupted

How does the Inode Bitmap differ from the Block Bitmap?

  • Inode Bitmap displays information about free inodes (correct)
  • Block Bitmap displays information about free inodes
  • Inode Bitmap displays information about occupied blocks
  • Block Bitmap displays information about occupied blocks

Where is user data stored in the EXT file system?

  • In block bitmap
  • In Data Blocks (correct)
  • In block information allocation
  • In Inode Bitmap

Why was EXT developed even though Linux supported multiple file systems?

<p>To overcome the maximum size of writable files (C)</p> Signup and view all the answers

What is the maximum file size supported by Ext3 file system?

<p>2TB (B)</p> Signup and view all the answers

Which level of journaling in Ext3 writes both metadata and user data to the journal?

<p>Journal (A)</p> Signup and view all the answers

What is the main disadvantage of using the 'Writeback' level of journaling in Ext3?

<p>Data loss in case of system failure (D)</p> Signup and view all the answers

In the Ext3 file system, what is the purpose of the 'Ordered' (ordered journaling) level?

<p>Connection of metadata to files on disk (D)</p> Signup and view all the answers

What information does the superblock store about the file system?

<p>Total number of data blocks and inodes (C)</p> Signup and view all the answers

What is the purpose of the Block Bitmap in a Linux file system?

<p>Specify which blocks are used and which are free (B)</p> Signup and view all the answers

Where is the global table of block group descriptors located in the EXT file system structure?

<p>After the superblock (C)</p> Signup and view all the answers

What do the Group Description Table descriptors contain information about?

<p>First and last blocks for each group of blocks (D)</p> Signup and view all the answers

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