Describe POSIX and ACL Permission Rubrics POWERSCALE-DEPLOY Practice Questions (Page 2)

Questions 6–10

1. 6application · medium

   A user named Alice belongs to the 'finance' group. A file on a PowerScale cluster has POSIX permissions of rw-r----- (owner: bob, group: finance). Alice is not the owner. What effective access does Alice have to this file?

   • ARead and write
   • BNo access
   • CRead only
   • DExecute only
   Reveal Solution Discussion Select an answer first
2. 7expert · hard

   A PowerScale cluster is used by a research team. The team needs to share files with a collaborator who should have read-only access to a specific project directory, but should not be able to list other directories in the same parent. Which approach is the most appropriate?

   • AGrant the collaborator execute-only permission on the parent directory and read-only on the project directory.
   • BUse an ACL to grant the collaborator read-only on the project directory and no permissions on the parent.
   • CGrant the collaborator read and execute permissions on the parent directory and read-only on the project directory.
   • DGrant the collaborator read-only permission on the parent directory and read-only on the project directory.
   Reveal Solution Discussion Select an answer first
4. 8application · medium

   An administrator sets a default ACL on a directory that grants rwx to the owning group. A user creates a new file in that directory with a umask of 022. What will be the effective permissions of the new file?

   • Arwxrwxrwx
   • Brwxr-x---
   • Crw-r--r--
   • Drwxr-xr-x
   Reveal Solution Discussion Select an answer first
5. 9foundation · easy

   What is the role of the ACL mask entry?

   • AIt limits the effective permissions of named users, named groups, and the owning group
   • BIt grants the owner full control over the file
   • CIt defines the permissions for users who are not the owner and not in any group
   • DIt specifies the default permissions for new files created in a directory
   Reveal Solution Discussion Select an answer first
6. 10expert · hard

   A user named Sam is a member of both the 'dev' group and the 'qa' group. A file has an ACL with the following entries: user::rw-, group:dev:r-x, group:qa:rwx, mask::r-x, other::---. What is Sam's effective permission?

   • ARead and execute
   • BRead, write, and execute
   • CNo access
   • DRead only
   Reveal Solution Discussion Select an answer first