User inputs email. User inputs password , if password and username match user allowed through.If not password or email address is incorrect notification is shown - and there also may be a limit on the amount of attempts you have to get it right.
The correct answer would b (C) because all the other ones are not on the list
Answer: Security (updating of software and hardware)
Explanation:
Internet of Things is one of the latest inventions in technology wherein smart objects and devices can connect to the internet and also share information within that space.
One of the several challenges of the Internet of Things is Security. Because of the introduction of the Internet, there is a vulnerability to hacking. Upgrades, therefore ought to be regularly provided so as to prevent hackers from recognizing patterns and hacking into them. So when the device outlives the manufacturer, there would be no one to provide regular updates thus making the device vulnerable.
Hard
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