1
Which of the communication modes support two way traffic but only one direction at a time?
EXPLANATION
Network Reference Models , Network Topologies
- Modes of Data Transmission:
- Simplex: Unidirectional transmission only (e.g., keyboard to monitor, traditional radio broadcasting).
- Half Duplex: Bidirectional transmission is supported, but only in one direction at a time (e.g., walkie-talkies; one station transmits while the other listens).
- Full Duplex: Bidirectional transmission occurs simultaneously in both directions at the same time (e.g., telephone call).
- Conclusion: The communication mode is Half Duplex (Option 2).
Correct option: (2) Half Duplex
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