Which of the following are valid filegroup types? (Choose all that apply.)
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Read-only
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Write-Only
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Default
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Primary
A,C,D
Correct answer
Explanation
SQL Server supports several filegroup types: Primary (contains the primary data files and system tables), Default (the default filegroup where objects are created if not specified), and Read-only (can be set to prevent modifications). Write-Only is not a valid filegroup type in SQL Server. Filegroups control how data files are organized and managed within a database.