Labels:text | screenshot | font OCR: FOUR TIERS NEEDED TO SUPPORT WEB ACCESS Externai access to a data warehouse should be funneled through a special Web server to protect internal users from performance degradation EXTERNAL USERS TIER 4 INTERNAL USERS WEB SERVER TIER 3 APPLICATION SERVER TIER 2 DATA SERVER TIER 1 Sources : datt Ilurghousing, loshiute, Sentry Research Services
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