Answer:
Challenge-Handshake Authentication Protocol (CHAP). 
Explanation:
In Computer technology, authentication can be defined as the process of verifying the identity of an individual or electronic device. Authentication work based on the principle (framework) of matching an incoming request from a user or electronic device to a set of uniquely defined credentials.
Basically, authentication ensures a user is truly who he or she claims to be, as well as confirm that an electronic device is valid through the process of verification. 
In this scenario, an organization wants to implement a remote dial-in server to ensure that personnel can connect to the organization's network from remote locations. The authentication protocol must include encryption to prevent hackers from accessing the network.
Hence, the protocol which should be used is Challenge-Handshake Authentication Protocol (CHAP).
A Challenge-Handshake Authentication Protocol (CHAP) can be defined as a standard network access control protocol in which a client program dials in to a network access server to receive a random value and identification number that can only be used once. 
 
        
             
        
        
        
Answer:
B. An online platform for game creation!
Explanation:
Roblox is a massively multiplayer online and game creation system platform that allows users to design their own games and play a wide variety of different types of games created by other users. 
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integer userInput
integer i
integer mid
integer array(20) number
userInput = 1
for i = 0; userInput >= 0; i = i + 1
   if number[i] > -1
      userInput = Get next input
      number[i] = userInput
i = i - 1
mid = i / 2
if i > 9
   Put "Too many inputs" to output
elseif i % 2 == 0
   Put number[mid - 1] to output
else
   Put number[mid] to output