Provides vital protection and maintenance services for system hardware and software, including enterprise computing systems, networks, transaction processing systems, and corporate it infrastructure.

Systems support and security

Explanation:

Systems support and security layout the crucial protection and the maintenance for system.

This phase's emphasis is to ensure that the system must continues to perform as according to the specifications. There must be routine hardware as well as software  maintenance to ensure an effective system operations.

It monitors the physical and the electronic security software, hardware and procedures. The system must be repaired and monitored from time to time against any threats.

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