Domain 3 - IS Acquisition, Development & Implementation Flashcards

1
Q

Use of Investment Portfolio Analysis

A

To prioritize new IT projects

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2
Q

Use of IT Project Portfolio Analysis

A

Used as the basis for effective strategic IT initiative decision-making

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3
Q

In IT Project, what is the role of Senior Management?

A

Approves necessary resources for project

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4
Q

In IT Project, what is the role of User Management?

A

1) Assumes ownership of the project & resulting system;

2) Review & approve system deliverables as they are defined & accomplished to ensure successful completion & implementation of new system

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5
Q

Role of IT Project Steering Committee

A

1) Assume overall direction & responsibility for costs & timetables of system development projects

2) Approves acquisition of application systems

3) Manages escalation of project issues

4) Duties include periodic project reviews, project coordination, project monitoring & adjustment

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6
Q

Role of Project Sponsor

A

1) Provide funding for approved projects;

2) Responsible for providing requirement specifications to software development project team;

3) Typically a senior manager of the business unit owning the project

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7
Q

Role of Project Manager

A

Provides daily management & leadership for the project including the progress & completion of deliverables

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8
Q

Role of Quality Assurance

A

Verifies successful completion of deliverables from each project phase by ensuring the programs & its changes & documentation adhere to established standards

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9
Q

What’s the IT Project Management Process?

A

1) Initiation
2) Planning
3) Controlling
4) Review
5) Closing

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10
Q

What are the Project Planning tools?

A

1) Function Point Analysis (FPA)
2) Program Evaluation Review Technique (PERT) Chart
3) Gantt Chart
4) Critical Path Methodology
5) Earned Value Analysis (EVA)

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11
Q

What is Function Point Analysis (FPA)?

A

Technique for estimating size of system to develop. FPA is based on number & complexity of inputs, outputs, files, interfaces & queries that are used for user interaction.

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12
Q

What is PERT Chart?

A

1) Can be used to estimate project duration

2) Program Evaluation Review Technique (PERT) considers different scenarios for planning & controlling projects

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13
Q

What is Gantt Chart?

A

Aids in scheduling project tasks. It is used to determine whether project is behind, ahead of, or on schedule.

It is not used to estimate duration of project.

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14
Q

What is critical path methodology?

A

It is the sequence of activities that must be completed on time for the entire project to be completed on schedule

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15
Q

What is Earned Value Analysis (EVA)?

A

It is used to measure project progress in terms of time, budget, & deliverables so that possible overruns & estimates at completion (EAC) can be projected

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16
Q

List of System Input Controls

A

1) Reasonableness check
2) Key verification
3) Limit checks
4) Table lookups
5) Completeness checks
6) Existence check
7) Validity check
8) Pre-recorded input
9) Transaction journal
10) Check digit
11) Parity Bits

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17
Q

List of System Processing Controls

A

1) Run-to-run totals
2) Sending & reconciling transaction counts & totals
3) Preparing simulated transactions for processing & comparing results to pre-determined results
4) Re-performance
5) Authorization sequence number
6) Sequence number & time-stamp
7) Base-case system evaluation
8) Automated systems balancing

18
Q

List of System Database Controls

A

1) Automatic logging of control edits & subject for further review
2) Secondary approvals for control overrides prior to committing a change
3) Redundancy check
4) Table link/ reference checks
5) Read-only restriction
6) Domain integrity test
7) Relational integrity testing
8) Control total
9) Referential Integrity testing
10) Integrity constraints
11) Commitment & Rollback controls

19
Q

What is reasonableness check?

A

A data validation edit that matches input data to an occurrence rate

20
Q

What is key verification?

A

Occurs when one enters the amount field & another reenters the same data again

21
Q

What is limit check?

A

A type of input validation check that provides preventive control to ensure invalid data cannot be entered because values must fall within a pre-determined limit

22
Q

What is table lookups?

A

Used as a control to prevent any undefined data to be entered

23
Q

What is completeness check?

A

Ensures all characters required for a field have been input. It is used to determine if a field contains data & not zeros or blanks

24
Q

What is existence check?

A

Ensure that a field are not empty

25
Q

What is validity check?

A

Ensure entered data matches pre-determined criteria.

Example, date is entered into date field or email is in email field

26
Q

What is pre-recorded input?

A

A data file control for which selected information fields are preprinted on blank input forms to reduce the chance of input errors.

Example, form that has Mr/Mrs/Ms

27
Q

What is transaction journal?

A

Provides information for detecting unauthorized input from a terminal

28
Q

What is check digit?

A

A numeric value calculated mathematically & added to data to ensure that original data have not been altered or an incorrect, but valid value substituted.

It helps to prevent transposition & transcription errors.

29
Q

What is parity bits?

A

Used to check for completeness of data transmissions

30
Q

What is run-to-run totals?

A

Provide ability to verify data values through stages of application processing.

It provide evidence that a program processes all input data and that it processed the data correctly.

31
Q

What is Re-performance?

A

Technique used to validate accuracy of calculation processing

32
Q

Purpose of sequence number & time-stamp?

A

Helps verify that instruction was not duplicated when transmitting payment instruction

33
Q

What is base-case system evaluation?

A

Uses test data as part of a comprehensive test of program controls in a continuous online manner to verify correct systems operations before acceptance & for data & transaction validation

34
Q

Purpose of Automated System Balancing?

A

Helps ensure transactions are not lost during processing as any imbalance between total inputs and total outputs would be reported for investigation and correction.

35
Q

What is redundancy check?

A

Detects transmission errors by appending calculated bits onto the end of each segment of data

36
Q

What is table link/ reference check?

A

Detect table linking errors such as completeness & accuracy of contents of the database. Thus, provides greatest assurance of database integrity

37
Q

What is Domain Integrity Test?

A

Domain integrity refers to validity of data values in a particular column or attribute of a table.

Domain integrity test ensures that data values in a specific column are within the predefined range or set of values.

Thus, helps to prevent incorrect or inconsistent data values from being entered into the database.

Example, the “age” column in a “customer” table can only contain values between 18 and 100, ensuring that only valid ages are entered.

38
Q

What is relational integrity testing?

A

Detects modification to sensitive data by the use of control totals

39
Q

What is control totals?

A

Used to ensure batch data is completely & accurately transferred between 2 systems

40
Q

What is referential integrity test?

A

Ensures data exists in its parent or original file before it exists in the child or another file

41
Q

What is integrity constraints?

A

A preventive control for out-of-range data because data are checked against predefined tables or rules, preventing any undefined data from being entered.