LFCS · Question #327
Which of the following are true of CIFS? (Choose TWO correct answers)
The correct answer is A. Filenames can be in any character set. D. Opportunistic Locks are supported. CIFS supports flexible filename character sets and includes features like Opportunistic Locks for improved performance.
Question
Options
- AFilenames can be in any character set.
- BFilenames can have a maximum length of 127 characters.
- CUnlike SMB, CIFS is not optimized for slow network connections.
- DOpportunistic Locks are supported.
How the community answered
(38 responses)- A87% (33)
- B8% (3)
- C5% (2)
Why each option
CIFS supports flexible filename character sets and includes features like Opportunistic Locks for improved performance.
CIFS (and modern SMB) supports Unicode filenames, which allows for filenames to be represented using various character sets, overcoming limitations of older character encodings.
Modern CIFS/SMB protocols support significantly longer filenames (e.g., 255 characters for path components and 32767 for the full path) than 127 characters, which might be a legacy limitation not applicable to current CIFS.
CIFS, as an evolution of SMB, includes various optimizations such as Opportunistic Locking and larger buffer sizes, which are designed to improve performance and can benefit connections even over slower networks.
Opportunistic Locks (Oplocks) are a key feature of CIFS/SMB that allow clients to cache files locally, enhancing performance by reducing network traffic and latency during file access.
Concept tested: CIFS features and capabilities
Source: https://learn.microsoft.com/en-us/windows-server/storage/file-server/smb-overview
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