Answer:
we need PLC(Programmable Logic Units) attached to the sensors  and those sensors will take the signals/values  and transfer them to the cloud .In cloud we store that information and send that information to the web application where user is able to view
Explanation:
it looks like a SCADA system. we can integrate PLC with SCADA
or
for developing PLC we can use c or c++.it contain logic to transfer data to cloud
for cloud storage we can use Microsoft azure which is useful for data storage in sql servers
for web application we can use ASP.Net to interact with cloud and get data from there and display the results to the user on UI
 
        
             
        
        
        
Answer:
webpage is a single document on internet under a unique URL. Website is a collection of multiple webpages in which information on related topics or subject is linked together.
 
        
             
        
        
        
Answer: D)It relies on two independent proofs of identity.
Explanation: Two factor authentication is technique which uses two steps/stage for the verification or authentication.It is done for the extra security maintenance.IT is also known as 2FA. It consist of two different authentication component so that it penetrates through double protection layer .
Other options are incorrect because It RSA public key cannot be used for the authentication of private content. It does not use both hand geometry at same time for both the levels and It does not utilize only single sign-on technology. Thus, the correct option is option(D).
 
        
             
        
        
        
GPS stands for Global Positioning System