Answer: Redundancy often allows messages to be sent on the etwork even if some network devices or connections have failed.
Explanation:
The redundancy of routing simply means that there are more than one way by which data can be routed and this helps increase how reliable the internet is and also helps connect to more people and devices.
In such case, when a message cannot be delivered through a system, another way can be utilized. Therefore, the correct option is A.
