ある企業では、現在の OS バージョンでは動作しない重要なレガシー ソフトウェアを使用しています。OS を最新の状態に保ちながらソフトウェアをサポートするのに最適なのは次のうちどれですか。
正解:D
Application virtualization allows legacy software to run in a virtualized environment while the operating system remains current. It isolates the application from the OS, ensuring compatibility without downgrading the OS.
* Why Not A (Shared resources): This relates to resource sharing, not application compatibility.
* Why Not B (System sandbox): Sandboxes isolate applications for security testing, not compatibility.
* Why Not C (Test development): Test environments are used for development, not running legacy applications.
CompTIA A+ Exam Reference: Core 1 (220-1101), Section 4.2, virtualization concepts.