Which of the following are protocols that provide feedback from the destination host to the source host regarding errors in packet delivery? (Choose two.)
- IPv4
- TCP
- ICMPv4
- IPv6
- UDP
- ICMPv6
Explanation: ICMPv4 and ICMPv6 provide feedback when errors occur.
Exam with this question: 3.3.6 Check Your Understanding - Protocol Suites
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