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ISTQB Advanced CTAL Exam-Study Guide-Part 1
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ISTQB Advanced CTAL Exam-Study Guide-Part 1

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ISTQB Advanced CTAL Exam-Study Guide-Part 1

Prior to appearing for exam for ISTQB Advanced Level certification, it is wise to quickly brush up your knowledge by reviewing the following questions – answers that are extremely important from the examination point of view.

Q. 1: What is Configuration management?

Software configuration management encompasses the disciplines and techniques of initiating, evaluating, and controlling change to software products during and after the development process. It emphasizes the importance of configuration control in managing software production.

face="Verdana, Arial, Helvetica, sans-serif">Configuration management is an integral part of the software development process across all phases of the life cycle. It functions as a controlling discipline, enabling changes to be made to existing documentation and products in such a way as not to destroy the integrity of the software. Since configuration management extends over the life of the product, and since tools, techniques, and standards exist solely aimed at its proper execution, configuration management can stand alone as a module within a graduate curriculum.

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Q. 2: What are the Requirements for the Success of Configuration Management?

The key requirement for success of configuration management is the commitment of all levels of management to enforcing its use throughout the project lifetime. Configuration management, like other parts of software engineering perceived as being tedious, may require some coercion for success. A further requirement is the availability of a clearly stated configuration management plan.

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Q. 3: How can we say that Configuration Management is a Cost Saving Tool?

By helping to maintain product integrity, configuration management reduces overall software development costs. Cost savings during a particular phase of the life cycle depend on the depth of application of configuration management. For instance, controlling individual source code modules costs more than only controlling the fully integrated product, but should result in overall savings due to reduction in side effects from individual changes. At this time, however, there are no quantitative measures sufficiently well developed to document the cost savings. This is largely because the losses due to lack of configuration management do not occur, and thus cannot be measured.

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Q. 4: What are the Requirements for the Success of Configuration Management?

The key requirement for success of configuration management is the commitment of all levels of management to enforcing its use throughout the project lifetime. Configuration management, like other parts of software engineering perceived as being tedious, may require some coercion for success. A further requirement is the availability of a clearly stated configuration management plan.

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Q. 5: What are the Configuration Items?

A configuration item is a document or artifact explicitly placed under configuration control. The minimum number of controlled items in a software project is whatever may be needed to effectively maintain and enhance the product. These may include requirements, specification, and design documents, source code, test plans, user and maintenance manuals, interface control documents, memory maps, and others such as procedural or policy documents. The actual items under control vary with the needs of the project, and certain items may be waived at specific points in the life cycle. Remember that there are time and cost tradeoffs associated with the number and level of items under control.

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Q. 6: How many kinds of discrepancies can be identified in discrepancy reports?

1) Requirements Errors: This type of discrepancy is an error in the requirements. Either the customer or marketing did not fully or clearly express the requirements, or incorrect information was given.

2) Development Errors: Another type of discrepancy is an error done during development. This means that a correct requirement was improperly implemented. Development errors occur between the time the requirements are baselined and the time the product is turned over to the customer or to marketing.

3) Violations of Standards: Yet another type of discrepancy is a violation of development standards, either the company standard or a customer standard in effect due to contract.

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Q. 7: Describe the types of changes, which can be requested?

Change requests are treated largely like discrepancy reports. There are three kinds of changes that may be requested.

1) Unimplementable Requirements: One reason for a change request is that a requirement turns out to be unimplementable through resource constraints identified by the requester. Another reason is that a "bad" implementation makes meeting all requirements impossible.

2) Enhancements: Enhancements are change requests that involve additional requirements.

3) Improvements: Improvements are change requests that will improve the product, though not in terms of functionality or performance. An example would be a request to rewrite a block of code to increase the understandability.

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Q. 8: What is the most serious problem encountered during configuration management?

One of the most serious configuration management problems is that of simultaneous update, when two or more programmers are modifying the same portion of code. There is a distinct possibility that one person’s changes will cancel or distort another person’s, thus causing a software failure. Checking out code and other documents for modification must be handled by mutual exclusion, either manually or automatically (using version control software).

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Q. 9: What is the relationship between quality assurance and the Software Life-cycle?

The function of Software Quality Assurance interacts to some degree with each phase of every software development process. Planning should occur in the initial phases of a software project and should address the methods and techniques to be used in each phase. A description of every product resulting from a phase and the attributes desired of each product should be defined in order to provide a basis for objectively identifying satisfactory completion of the phase.

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Q. 10: What are the factors having large impact on the software quality assurance program?

# Schedule requirements
# Available budget
# Technical complexity of the software product
# Anticipated size of the software product
# Relative experience of the labor pool
# Available resources
# Contract requirements

Reference: Technical archive from SEI - Software Engineering Institute

Read Part -2 of the Study Guide

Common Study Material for ISTQB Advanced CTAL Exams

ISTQB Advanced CTAL Test Manager Exam - Full Crash Course for Download

Consolidated Study Material - All ISTQB Certification Exams

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