This is a multiple-response question. All listed options (A, B, C, E) are highly plausible and common reasons for inconsistent lookup enrichment in XSIAM: A: Inconsistent CMDB CSV export: If the source CSV's structure or data types are not stable, the CMDB ingestion Data Flow might partially fail, resulting in an incomplete or corrupted lookup dataset. This directly impacts lookup accuracy. B: Lookup table not 'Live Lookup': For real-time enrichment of active security events, the lookup table derived from CMDB data must be configured as a Live Lookup. If it's a static lookup, it won't reflect recent CMDB updates, leading to stale or missing enrichments for new assets or changes. C: Mismatched Lookup Keys: This is a very common issue. Even minor discrepancies (e.g., '192.168.1.1' vs. '192.168.001.001', or 'hostname' vs. 'HostName') will cause lookup failures. Content optimization here involves ensuring both the CMDB ingestion Data Flow and the security event Data Flow normalize the lookup key format (e.g., to lowercase, remove leading zeros, consistent IP format) before the lookup. E: Intermittent SFTP failure: If the source data for the CMDB dataset (the CSV export) is not reliably ingested due to connectivity issues, the CMDB dataset in XSIAM will become outdated or incomplete, leading to lookup failures. Option D is less likely for lookup performance itself, as XSIAM's lookup capabilities are highly optimized. High volume might impact rule processing overall, but not specifically the lookup mechanism unless the lookup dataset itself is astronomically large and unindexed, which is generally not the case for CMDB data.