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Certified Software Tester - Intermediate Level (CSTIL)

Scenario
A computerized system is being created to monitor the life support system on board a submarine. It monitors air quality, water supplies and temperature. This system will be supplied and maintained by SubsInc. SubsInc uses the V-model for software development and conducts four levels of testing, from unit through to operational and site acceptance testing. Two key risks identified for the air quality system are:
If the percentage of oxygen in the air falls too low, personnel may suffocate If the concentration of carbon dioxide in the air rises too high, the air may become toxic. To address these risks, the requirement specification for this system includes the following requirements:

R1) Oxygen must be replaced as it is consumed. R2) Carbon dioxide must be removed from the air. These requirements must be reflected in the functional, technical and program specification documents.
You are a newly recruited test manager.
A risk register has been produced with the following additional risks identified.

Scenario
Your organization is a large media services corporation (MSC). MSC uses Agile development, within a Scrum framework. Here, the iterations are referred to as Sprints. For each Sprint, a set of user-stories is defined, built, and tested. The user-stories are typically 12 lines long, indicating what the customer wants the system to do.
MSC is in the process of updating its website to meet the recently introduced accessibility rules for websites. Accessibility means the availability of a system suitable to members of the public with, for example, visual or hearing difficulties.
It has been decided to start with two requirements, as its first 2 Sprints: 1) Presentation of content with clear headings, short sentences, text versions always available. 2) Consistent navigation through the website.
You are the test manager and there are four developers and two testers. You have all worked together previously, and are very experienced in MSCs products. Although the accessibility rules are new to you and the team, you have all attended a workshop where they were explained.

Scenario
Data is transmitted over the internet as a series of packets. Each packet is sent to its destination via the best available route. The decision on the best available route is made by a series of routers on the internet. In order to make the best decision on the route to take, the router:
1) Scans the destination address and matches it against rules set up in a configuration table. 2) Checks the performance of the primary connection to see if it is good enough to send the packet. If not, it seeks an alternative. Routers handle many millions of packets being sent at the same time. Packets can take the form of email messages, data files etc.

Scenario
A bank is upgrading its systems to include an on-line investment service, allowing investors to trade with each other, in a mini-stock market environment. The upgrade will be carried out using Agile development (within the Scrum framework). Here, the iterations are referred to as Sprints. For each Sprint the required functionality will be defined as a set of user-stories. The user stories are typically 1-2 lines long, indicating what the business wants the system to do. These user stories will be built then tested.
There will be 3 Sprints:

1) Creation of the mini-stock market trading environment.
2) Creation of additional front-end enhancements.
3) Linking to stock exchange for pricing.
You are the test manager. You lead a team of 4 testers, and there are 6 developers. Your team has worked on Agile projects previously, and on average, Sprints usually last 4 weeks. At the end of all Sprints, a full end to end test is carried out. This is called the E2E test phase. You are worried that 4 weeks will not be sufficient time for the first Sprint. You have decided to conduct a Risk Management exercise before the project starts.

Scenario
A rail services provider is upgrading its signalling systems, to allow train drivers and signallers to communicate securely and timely. This is seen as a safety critical system. The IT processes in place include many quality check points, including the use of the V-model for software development. The provider has recently lost many of its software development and test staff to other organizations. The management staff has been retained, including the project and development manager for this upgrade. A recruitment drive is underway.
You have been brought in as a new test manager, and you have been asked to review the processes surrounding development and testing.
The project manager has been asked about a formal process of building test procedures using specification-based techniques.