MCQOPTIONS
Saved Bookmarks
| 1. |
RS-232, RS-449, RS-530, V-24, and X-21 are examples of? |
| A. | standards for various types of transmission channels. |
| B. | standards for interfaces between terminals and modems. |
| C. | two methods of error detection and correction |
| D. | standards for end-to-end performance of data communication systems. |
| Answer» C. two methods of error detection and correction | |