$2\mathrm{.}1$ Implementation, maintenance and security is the final phase in the development cycle

of information systems. Describe the process of implementing new information

systems and compare it with how new information systems are implemented in your

organisation. $3$ marks will be awarded for the description and $2$ marks for comparison.

$(5)$

$2\mathrm{.}2$ A critical challenge for policing$/$law enforcement organisations is collecting, capturing,

storing and disseminating knowledge within the organisation. With the ongoing labour

turnover of experienced policing$/$law enforcement officers, a great deal of knowledge

is lost because it is not extracted, captured and stored for future use. Demonstrate

how this challenge can be overcome by using expert information systems. Your answer

must give a brief description of the system $(1$ mark$),$ the components related to its

functioning $(6$ marks$)$ and three advantages of expert systems $(3$ marks$).(10)$

$2\mathrm{.}3$ Policing $/$law enforcement managers function on various levels. They use management

information systems $($MIS$)$ to support them in proper planning, decision$-$making and

problem solving. State the type of decision taken at each level and the purpose of the

decisions. Support your answer with practical workplace examples $($do not use

examples from your study materi