ITPEC FE Morning April 2022 Question 61
ITPEC FE Morning April 2022 — Question 61 of 80
EA is a methodology for analyzing and redesigning an entire organization's business and IT systems through four architectural layers: Business, Data, Application, and Technology — all examined from the perspective of total optimization.
Why not others:
- (a) Describes DFD (Data Flow Diagram), which models processes using data flow, process, file, and data source/sink elements
- (c) Describes UML (Unified Modeling Language), which uses class diagrams and supports object-oriented design
- (d) Describes an ER diagram (Entity-Relationship diagram), which models data structure and relationships between entities
Key rule: EA = four layers (Business, Data, Application, Technology) viewed from the angle of total optimization.
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