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Which of the following has an incorrect SDLC phase definition?

Which of the following has an incorrect SDLC phase definition?

i. Initiation. During this phase, the system is designed, purchased, programmed,developed, or otherwise constructed.
ii. Implementation/Assessment. After system acceptance testing, the system is installed or fielded.
iii. Operation/Maintenance. During this phase, the system performs its work. The system is almost always modified by the addition of hardware and software and by numerous other events.
iv. Disposal. Activities conducted during this phase ensure the orderly terminationof the system, safeguarding vital system information, and migrating data processed by the system to a new system, or preserving it in accordance with applicable records management regulations and policies.

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A.
ii,iii

B.
i

C.
i,ii,iii

D.
iv

Explanation:
The correct SDLC phases and their definitions are listed below:

i.Initiation. During the initiation phase, the need for a system is expressed and the purpose of the system is documented.
ii. Development/Acquisition. During this phase, the system is designed, purchased,programmed, developed, or otherwise constructed.
iii. Implementation/Assessment. After system acceptance testing, the system is installed or fielded.
iv. Operation/Maintenance. During this phase, the system performs its work. The system is almost always modified by the addition of hardware and software and by numerous other events.
v. Disposal. Activities conducted during this phase ensure the orderly termination of the system, safeguarding vital system information, and migrating data processed by the system to a new system, or preserving it in accordance with applicable records management regulations and policies.


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