MCQOPTIONS
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| 1. |
The packets switching concept was first proposed |
| A. | in the late 1980s for the Defense Ministry of US. |
| B. | in the early 1960s for military communication systems, mainly to handle speech |
| C. | in the late 1950s for Defense Ministry of US |
| D. | All of the above |
| Answer» C. in the late 1950s for Defense Ministry of US | |