Which of the following statements about LAN-based backup is incorrect?

Which of the following statements about LAN-based backup is incorrect?
A . Instruction flows are transmitted over the LAN whereas data flows are not.
B . The backup agent affects the performance of application servers.
C . Backup data is based on LANs, affecting network performance.
D . Backup jobs must be separately maintained, complicating management and maintenance.

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Answer: A