Which communication mode allows data transmission in both directions but only one direction at a time like a walkie-talkie?

A ) Full-Duplex

B ) Half-Duplex ✅

C ) Simplex

D ) Synchronously

Related Questions
  1. In which communication mode data flow in only one direction like a television broadcast?
  2. In which communication mode can data be sent and received simultaneously like a telephone call?
  3. MODEM stands for ----:
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