南理工分布式系统复习题1

1.(21 pts) Please expand the following abbreviated words. _SW3_8SuM.  
  RPC   TCP/IP DCE RMI IDL UDDI SOAP }=c85f~i  
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2.(28 pts) Please give your explanations for the problems. PRHCrHs  
(1)    What are the transparencies of a distributed system? ;4Y%PVz~D  
(2)    What are the RPC stubs’ jobs? /p8d Z
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(3)    Why is important the load balancing for a distributed system? 9eH$XYy
 
(4)    What are the differences among agent, broker and proxy? ,l<6GB2\  
(5)    What are the ACID features on the distributed transaction? gNt(,_]ZR  
(6)    How many consistencies are there in data-centric consistency models? ]]zPq<b2  
(7)    What’s the ‘happen-before’ relation?