Breach..
 bugs and viruses
hack
        
                    
             
        
        
        
Answer: HTTP GET
Explanation: There are many  HTTP(Hypertext Transfer protocol) requests sent to the server from the client .The page that gets request while the hyperlink page is clicked by the client, opens a HTTP GET page that belongs to the Internet protocol's(IP)suite by server. It is a process for the revival of the data from a particular server. The data does not get effected during the process of the retrieval. 
 
        
             
        
        
        
Answer:
Yes
Explanation:
We known that TCP is the connection 
 protocol. So the TCP expects for the target host to acknowledge or to check that the 
 session has been established or not. 
Also the End stations that is running reliable protocols will be working together in order to verify transmission of data so as to ensure the accuracy and the integrity of the data. Hence it is reliable and so the data can be sent A will still be delivered reliably and it is in-sequence at B.