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| Q. |
ICMP is primarily used for |
| A. | error and diagnostic functions |
| B. | addressing |
| C. | forwarding |
| D. | routing |
| Answer» A. error and diagnostic functions | |
| Explanation: icmp abbreviation for internet control message protocol is used by networking devices to send error messages and operational information indicating a host or router cannot be reached. icmp operates over the ip packet to provide error reporting functionality as ip by itself cannot report errors. | |
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