What is the purpose of DFS?

Question

Options

• AMaintain redundant copies of the contents of a file share on multiple servers.
• BGrant access to files on a share to multiple clients simultaneously.
• CDistribute the contents of a specific file share over multiple file servers.
• DMake one share accessible by users from multiple domains.
• EProvide access to file shares from various servers through a common server name.

• A
  1% (1)
• B
  1% (1)
• C
  4% (3)
• D
  1% (1)
• E
  91% (62)

Explanation

DFS (Distributed File System) primarily functions as a namespace service - it presents file shares hosted on different physical servers as if they all live under a single, unified path (e.g., \\company\files\...), so users never need to know which server actually holds a given share. Option E captures this exactly.

Why the distractors are wrong:

• A describes DFS Replication (DFSR) - a related but separate component that handles redundant copies; replication is not the core purpose of DFS namespaces.
• B describes standard SMB/file sharing behavior, which exists independently of DFS.
• C hints at load balancing or data striping across servers, which DFS does not do - it creates namespace mappings, not data distribution.
• D is closer to cross-domain trust functionality; while DFS namespaces can be accessed cross-domain, that is not their defining purpose.

Memory tip: Think of DFS as a GPS for file shares - users type one address, and DFS silently routes them to whichever server actually holds the files, hiding all the complexity behind a common name.

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