Which of the following are advantages of DFD?
a) freedom from committing
b) understanding of interrelationships
c) current system knowledge
d) all of these
Which of the following are basic data distribution strategies?
a) centralized
b) partitioned
c) replication
d) all of these
…………refer to a method of database distribution in which different portions of the database resides at different nodes in the network.
a) splitting
b) partitioning
c) replication
d) dividing
Which of the following is used as repository for storage of data?
a) data flow
b) data repository
c) data store
d) process
Which of the following is used to express the transformation of incoming data flow?
a) data flow
b) data repository
c) data store
d) process
An entity that interacts with the system from outside the system is called……
a) data flow
b) data repository
c) external entity
d) process
