In what environment are you most likely to see multiple defect management systems used in one project?

SCENARIO 1
DreamPartner dating agency are redesigning their dating application following a major security breach in which sensitive customer data was made publically available. The redesign includes stronger security encryption and performance tuning.
The product risk register for the redesign project, which was produced after all requirements had been agreed, includes the following:

The organisational Test Strategy contains the following objectives:
1. A Risk-based lest approach must be adopted for all projects
2. Functional regression testing should start as soon as functional testing is complete
3. Automated tests may be run before or in parallel with manual tests
The project Test Plan has allocated 6 weeks to complete all test execution, with functional testing taking 3 weeks to execute, performance and security testing 2 weeks each and regression testing 1 week.
Which of the following options places the test suites (TS1 to TS5) in the correct order for test execution?
SELECT ONE OPTION

Considerable attention will be given in this project to defining exit criteria and on reporting back on their status. Which combination of TWO exit criteria from the list would be best to use? 1 credit
I. Total number of defects found
II. Percentage of test cases executed
III. Total test effort planned versus total actual test effort spent
IV. Defect trend (number of defects found per test run over time

The introduction of reviews and inspections has often failed as a process improvement action. Identify the THREE most important measures that should be taken to reduce the risk that this test process improvement will fail. 2 Credits (for 2 out of 3 correct 1 credit)

Your test team has created a custom automation tool that will be used for an upcoming release. Now that the tool has been coded, what should be the next step? [1]