What do u mean by high level & low level use case?

1. What do u mean by high level & low level use case?

A broad view of a business process is called a high level use case. And if we divide the big view into different small sub use cases, then it is called low level use case.

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What is mean by logical data model?

1. What is mean by logical data model?

Data model tells clear details about the data and how the data is stored physically in a database.

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Explain where you would use the rational rose and the requisite pro.

1. Explain where you would use the rational rose and the requisite pro.

In a situation whereby different modules of a given requirements have been created for varied functions, then collected together and made into a single document, the requisite pro is the one which comes in handy. The other one, the rational rose, is used to create the business model as a visual representation. It is helpful in creating high level and low level use cases, activity diagrams, state diagrams, collaboration diagrams, sequence diagrams etc.

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Describe the diagrams which should be known by the Business Analyst (BA).

1. Describe the diagrams which should be known by the Business Analyst (BA).

The Business Analyst (BA) is expected to be conversant with the following diagrams:

i)                    Use case Diagram: this is the diagram which gives the details concerning the given business environment, this entails the series of action usually performed by given actors such as analyzing the procurement portfolio, giving out an order to a certain supplier, acknowledging the reception of the goods, processing them as appropriate, doing the relevant marketing, handing the goods to the hands of a customer at a profit, receiving payments, either by cheque or cash, printing a receipt, and entering the transactions into relevant accounts, making payrolls, preparing final accounts including the balance sheets as well as the profits and loss accounts.

ii)                  Activity Diagram: this is the diagram which is usually employed in early analysis stages to describe the involved components.

iii)                Sequence diagram: This is the type of diagram used to tell the way particular objects interact with other objects in a manner arranged in both time and sequences. This is usually very useful for system developers as well as the system testers as it enhances the level at which a given system can be understood.

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What is the meaning of the word UML?

1. What is the meaning of the word UML?

This usually is the abbreviation of the Unified Modeling Language, a standard language in the system development used to implement the understanding, documentation and construction of varied system components

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Describe the main qualities of a good requirement.

1. Describe the main qualities of a good requirement.

There are several qualities regarding a good requirement but the most outstanding ones include the:

Clarity – the requirement should be clear enough to be understood by its users.

Understandable – the requirements should be put in a manner easy to understand by users of all levels.

Consistent – the requirement should be such that it doesn’t contradict itself, it is important noting that during system development, all users need to be consulted, including the managers as well as the junior staff, one would find that the managers would like a wider control of the system so as to monitor the junior staff to the date whereas the junior staff are objecting these view, hence a contradiction. When this issue is not considered carefully, usually through consultation or negotiation either the managers or junior staff may resent the system thus by this, once the users resent the system, obviously it will not be exploited to the maximum thus lowering the benefits the organization derives from it thus consistency must always be considered in the system development requirements.

Verifiable – The requirements of a given system should always be verifiable as in they should be put in a manner that can be checked across in future so as one can clearly identify whether the particular requirement has been met or not, it is usually advised that the requirements are put in a manner that during verification, the answer is either true or false and nothing vague as it is during this stage that legal action can be taken by the either the contractor or client if at all the answer is no and always with the law, matters of doubt are generally not recommended.

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Describe how you would participate in testing as a BA (Business Analyst).

1. Describe how you would participate in testing as a BA (Business Analyst).

As a Business Analyst, I would participate by reviewing the test cases to ensure that all the stipulated requirements have been met by the system in question.

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How is use case prepared?

1. How is use case prepared?

It is prepared using drawing application software such as the Microsoft Visio and the also the Rational rose.

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1. Describe your understanding regarding the following terms i) URS ii) FS

1. Describe your understanding regarding the following terms

i)                   URS

ii)                 FS

The URS is the User Requirement Specification whilst the FS is the Functional Specification; traceability matrix is usually used to keep track of these requirements. TEST DIRECTOR can be used to do the traceability of the given requirements during the testing phase.

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