A、Moody’s: AAA to BBB - S&P’s: Aaa to Baa
B、Moody’s: Aaa to Baa - S&P’s: AAA to BBB
C、Moody’s: AAA to A - S&P’s: Aaa to A
D、Moody’s: Aaa to A - S&P’s: AAA to A
A、Class Diagram
B、Usecase Diagram
C、Actity Diagram
D、Composite structure diagram
A、structural complexity
B、cognitive complexity
C、algorithmic complexity
D、problem complexity
A、Listener.
B、Spectator.
C、Watcher.
D、Viewer.
A、Peer-to-peer architecture.
B、Tiered architecture.
C、Database-centered architecture.
D、All of the above.
A、observer
B、façade
C、Abstract Factory
D、none of the above.
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