Answer:
The customer's browser has been hijacked by some attackers may be.
Explanation:
According to customer's explanation there is possibility that that his data may be stolen and he has to disconnect computer from network and then call given number in order to get back his data.
Answer:
The paired t-test is a method used to test whether the mean difference between pairs of measurements is zero or not.
Z-Wave and Zigbee are the two protocols that are used most often with IOT devices.
<h3>What is a protocol?</h3>
A protocol can be defined as a formatted blocks of data that have been designed and established by professionals to obey a set of standard rules (conventions) such as Z-Wave and Zigbee.
In Computer networking, the two protocols that are used most often with Internet of Things (IOT) devices include the following:
Read more on protocols here: brainly.com/question/17387945
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<span>Intangible system is that system whose services are not visible</span>
