Which three modes are the operating of HDLC? (Choose three)
A. asynchronous balanced mode (ABM)
B. normal response mode (NRM)
C. normal peer mode (NPM)
D. asynchronous client mode (ACM)
E. asynchronous response mode (ARM)
Answer: A, B, E
IP over DWDM management models (Choose two.)
A. Segmented Management
B. Integrated Management
C. Virtual Transponder
D. Traffic Management
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