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Which of the following is/are the network of computers?
a) peer-to-peer                     

b) client-server
c) internet                             

d) all of these

d

Which of the following task/s is/are performed by client-server architecture?
a) process user interface                                    
b) invoke application logic
c) enforce some business rules
d) all of these

d

Which of the following is/are function/s of client computer?
a) manage user interface
b) accept data from user
c) process application logic               
d) all of these

d

How many advantages of client-server system?
a) one    

b) two    

c) three  

d) four

d

Explanation: concurrent access, better performance, reduced cost, better user interface


Which of the following several clients can access database simultaneously?
a) concurrent access

b) reduced cost
c) user interface     

d) better performance

a

Which of the following is used with each transaction automatically?
a) concurrency control      
b) pessimistic locking
c) optimistic locking 

d) recovery

b