Detailed Answer
(c) The requirement is to identify the phase of the
SDLC where analysts identify the problem(s) of an existing information
system. Answer (c) is correct because planning is the
first phase of the SDLC and this information is needed before
most of the analysis phase activities can be initiated. Answer (a)
is incorrect because analysis phase activities are generally dependent
on knowing exactly what problem(s) need to be solved
before an effort is made to determine the requirements of a new
system. Answer (b) is incorrect because implementation is the
phase where the new system is put into operation. Answer (d) is
incorrect because development is the phase of the SDLC where
the new system design is transformed into an actual system.