問27
頻出度★☆☆
企業の業務と情報システムの現状を把握し, 目標とするあるべき姿を設定して, 全体最適を図りたい。このときに用いられる手法として, 適切なものはどれか。
平成28年度 春期 ITパスポート試験 問27
ストラテジ系システム戦略 › 情報システム戦略
This question's explanation and your answers so far.
解説
問 27
Incorrectア
DOA (Data Oriented Approach) is a development technique that designs a system starting from the structure of the data handled in business operations. It is a design method focused on data, not a framework that depicts the ideal state of an entire company's business operations and information systems to achieve overall optimization.
- イ
正解 The correct answer is イ, “EA (Enterprise Architecture)”. EA is a method and framework that grasps the current state (As-Is) of a company's business operations and information systems, sets the target ideal state (To-Be), and, while closing the gap between the two, achieves optimization of the entire organization (overall optimization). The question's three requirements — “grasp the current state,” “set the ideal state,” and “achieve overall optimization” — correspond directly to the definition of EA, so イ is appropriate.
Incorrectウ
OOA (Object Oriented Analysis) is a development technique that analyzes a system by treating the target as a collection of objects, each bundling data and operations together. It is an analysis method for software development, not a framework aimed at optimizing the entire company.
Incorrectエ
SOA (Service Oriented Architecture) is a design philosophy that componentizes business functions into independent units called “services” and builds a system by combining them. It is an approach to flexible system construction, not the very method that achieves overall optimization by grasping the current state and setting the ideal state.
ここがポイント
- EA (Enterprise Architecture) is a method and framework that contrasts the current state (As-Is) with the ideal state (To-Be) and reviews business operations and information systems as a whole to achieve optimization of the entire organization.
- Distinguish that DOA and OOA are system design/analysis techniques and SOA is a design philosophy for componentizing services, all of which differ in purpose from EA, whose main focus is “achieving overall optimization.”
用語