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NTFS Permissions and ICACLS Overview
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NTFS Permissions and ICACLS Overview

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Questions and Answers

What is the primary function of Access Control Entries (ACE) in NTFS permissions?

  • To encode the ownership details of files
  • To provide a backup of user permissions
  • To manage network sharing settings
  • To specify access rights for users or groups (correct)

    • In Effective Permissions Management, which of the following factors must be considered?

  • The number of files within the folder
  • Inheritance from parent folders (correct)
  • The physical location of the hard drive
  • The last modified date of the folder

    • What does NTFS inheritance imply for subfolders and files?

  • They must always deny inherited permissions
  • They cannot have their own permissions
  • They automatically inherit permissions from their parent folder (correct)
  • They are only accessible by the administrator

    • What is the key difference between Deny and Allow permissions in NTFS?

    <p>Deny permissions always take precedence over Allow permissions</p> Signup and view all the answers

    When moving files within the same NTFS volume, what happens to their permissions?

    <p>Permissions are retained from the source location</p> Signup and view all the answers

    How are Basic permissions defined in relation to Advanced permissions?

    <p>Basic permissions are a simplified representation of Advanced permissions</p> Signup and view all the answers

    Which permission level is applied if AUTHENTICATED USERS are set to READ in an NTFS folder?

    <p>Users can read and execute files</p> Signup and view all the answers

    Which NTFS permission would you assign to allow a user to fully manage files in a folder?

    <p>Full Control</p> Signup and view all the answers

    What happens when a user is a member of a group that is granted a permission and another that denies that permission?

    <p>The user is denied that permission.</p> Signup and view all the answers

    Which of the following statements is true regarding ownership of objects in NTFS?

    <p>A user can only assign permissions to objects they own.</p> Signup and view all the answers

    What warning is received when all users are denied access to a folder?

    <p>Only the owner will be able to change permissions.</p> Signup and view all the answers

    When moving files, which condition will cause a file to retain its permissions?

    <p>When moving the file within the same volume.</p> Signup and view all the answers

    In the context of NTFS, which statement about the FAT file system is correct?

    <p>FAT does not support any permissions.</p> Signup and view all the answers

    What is a key concept learned when creating and moving files in NTFS?

    <p>Permissions must always be reassigned after moving an object.</p> Signup and view all the answers

    Which process should be followed to take ownership of a folder in NTFS?

    <p>Access Advanced Security settings and change the owner.</p> Signup and view all the answers

    What is a consequence of using the MOVE operation on a file without associated DENY ACE?

    <p>The file will always retain its original permissions.</p> Signup and view all the answers

    What is the command to grant the SUPERHEROES group FULL CONTROL to the HEROES_ONLY folder?

    <p>ICACLS C:\NAT\ROOMS\HEROES-ONLY\GRANT SUPERHEROES:(CI)F /T</p> Signup and view all the answers

    What permission is being set to DENY for the JOKER user on the SECRET.TXT file?

    <p>DENY FULL CONTROL</p> Signup and view all the answers

    What is the purpose of the command 'ICACLS C:\NAT\ROOMS\ /SAVE C:\NAT\ACL_BACKUP.TXT /T'?

    <p>To back up the ACL from the specified folder and subdirectories</p> Signup and view all the answers

    What must be disabled to change permissions on the C:\NAT\ROOMS\215 folder?

    <p>Inheritance</p> Signup and view all the answers

    When a user accesses a folder from a share on a remote machine, which rules apply?

    <p>Both SHARE and NTFS rules apply</p> Signup and view all the answers

    Why is giving EVERYONE FULL CONTROL SHARE PERMISSIONS important?

    <p>To ensure users can modify shared resources</p> Signup and view all the answers

    Which statement correctly describes the difference between DENY and ALLOW permissions?

    <p>DENY always overrides ALLOW permissions, regardless of inheritance</p> Signup and view all the answers

    What action will NOT be allowed if a user's permissions are set to DENY FULL CONTROL on a file?

    <p>Deleting the file</p> Signup and view all the answers

    Study Notes

    NTFS Permissions Rules

    • Deny Overrides Allow: If a user is a member of two groups, one allowing a permission and the other denying it, the user is denied that permission.
    • Ownership: Administrators can take ownership of an object, and the owner of any object can assign permissions.
    • Object Permissions on Copy/Move: When an object is copied or moved within the same NTFS volume, it retains its original permissions. However, if moved to a different volume, it inherits the new volume's permissions.
    • FAT32: FAT32 file systems do not support permissions or security.

    ICACLS

    • ICACLS grants permissions: The command ICACLS C:\NAT\ROOMS\HEROES-ONLY\GRANT SUPERHEROES:(CI)F /T gives the SUPERHEROES group full control (F) to the HEROES_ONLY folder and all subfolders (/T).
    • ICACLS denies permissions: The command ICACLS C:\NAT\ROOMS\HEROES_ONLY\SECRET.TXT /DENY JOKER:(F) denies the user JOKER full control (F) to the file SECRET.TXT .
    • ICACLS backs up ACLs: The command ICACLS C:\NAT\ROOMS\ /SAVE C:\NAT\ACL_BACKUP.TXT /T backs up the Access Control List (ACL) for C:\NAT\ROOMS and all subdirectories into the file C:\NAT\ACL_BACKUP.TXT.
    • ICACLS manipulates directory inheritance: The command ICACLS C:\NAT\ROOMS\215 /DISABLERINHERIT /REMOVE SYSTEM /REMOVE USERS disables inheritance of permissions for the folder C:\NAT\ROOMS\215 and removes permissions for the SYSTEM and USERS groups.
    • ICACLS restores ACLs: The command ICACLS C:\NAT\ROOMS\215 /RESTORE C:\NAT\ACL_BACKUP.TXT restores the ACL for the folder C:\NAT\ROOMS\215 from the backup file C:\NAT\ACL_BACKUP.TXT.

    NTFS Sharing

    • Share and NTFS Permissions: Accessing a folder or file locally uses NTFS permissions. Remotely accessing a shared folder applies both share and NTFS rules.
    • UNC Path: When accessing a local share using a UNC path (e.g., \ComputerName\Share), Windows treats it as a remote access and thus applies both share and NTFS rules.
    • Share Permissions: Using NTFS permissions to control access is important. It can be combined with share permissions to manage file access from both local and remote users.

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    Related Documents

    LAB8 - NTFS Permissions and Sharing ANSWER KEY.pdf

    Description

    Explore the fundamentals of NTFS permissions and the ICACLS command in managing file access. This quiz covers key concepts, rules, and command usage for effective permission handling in Windows. Test your understanding of file system security and access control.

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