Question

2) In a wireless sensor network, a node which are unable to perform an operation, because of
power failure and environmental effects is known as
a. normal node
b. selfish node
c. failed node
d. badly failed node​

Answer 1

In a wireless sensor network, a node which are unable to perform an operation, because of  power failure and environmental effects is known as failed node

Explanation:

• For an unusual rate of a node failure, this drives to a relentless reduction in network endurance and wastage of network bandwidth.
• Appropriate disclosure of existing failures in such domains is extremely essential as certain failures could partition the network into various disjoint networks.    
• There are manifold faults that could guide to failures in wireless sensor networks.
• WSN node faults are ordinarily due to the subsequent events: the failure of modules due to fabrication manner difficulties, environmental circumstances, criminal offenses and so on; battery power exhaustion.

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