SYSTEM EXAM ACTUAL QUESTIONS
AND CORRECT ANSWERS
2 x Dual Channel Modular Avionics Units (MAU 1A, 1B, 2A, 2B).
Provide most avionics features and multi-system functions (CAS, Synoptics, ECL, etc.) -
CORRECT ANSWERS✅✅What are the formulas for the MAUs?
2 x Modular Radio Cabinets installed.
Provide communication and navigation features. - CORRECT ANSWERS✅✅What are the
functions of the MRCs?
MAU 1 and MRC 1 underfloor. MAU 2 and MRC 2 in the nose cone. - CORRECT
ANSWERS✅✅Where are the MAUs and MRCs located?
Avionics Standard Communications Bus - CORRECT ANSWERS✅✅What is the ASCB?
(NIM) Network Interface Module - (MRC) and
(NIC) Network Interface Controller - (MAU). - CORRECT ANSWERS✅✅How do the
MAU and the MRCs communicate with the ASCB?
MAU 1A and 2A, MRC 1: Essential Bus.
MAU 1B and 2B, MRC 2: Main Bus. - CORRECT ANSWERS✅✅How are the MAU and
the MRC's powered?
Advanced Graphics Model (Essentially a Symbol Generator). - CORRECT
ANSWERS✅✅What is an AGM?
MAU or AGM has failed, however screen is still operative. Press REV. - CORRECT
ANSWERS✅✅What does a Red X on a display mean?