Which among the below tools gives overall health check of application
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PAL
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PLA
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SMA
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Preflight
PLA (Pega Landing Area) provides overall health monitoring and diagnostics for PEGA applications. PAL (Performance Analyzer) focuses on performance metrics. SMA (System Management Application) is for cluster management. Preflight checks deployment readiness. PLA is the comprehensive health check tool.
PLA is identified as the tool that provides an overall health check of the application in this context. Without more specificity in the question about which platform/suite this refers to, the distinction being tested is likely between similarly-named/acronym tools (PAL, SMA, Preflight) where only PLA is the designated end-to-end health-check utility, while the others serve narrower or unrelated purposes (e.g., preflight checks being a pre-deployment validation step rather than an ongoing health check).