If the FMC fails, the FMC alert light will illuminate, the FMC/CDU FAIL light will appear on both CDUs, and both CDUs will display failure modes. VTK will appear on both navigation displays. LNAV & VNAV will disengage. After 25 to 30 seconds, both navigation displays will display failure information.
A.A.True
B.B.False
正确答案是A