Which two of the following are common attributes of maintenance testing? a) It is carried out to ensure that the system will be reliable once in service. b) It includes regression testing. c) It requires the use of fully defined specifications. d) It can include testing of a system after migration from one platform to another.

Question

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a) It is carried out to ensure that the system will be reliable once in service - this is a common attribute of maintenance testing
b) It includes regression testing - this is also a common attribute of maintenance testing
c) It requires the use of fully defined specifications - this is not a common attribute of maintenance testing as maintenance testing can be done on existing systems without specifications
d) It can include testing of a system after migration from one platform to another - this is a common attribute of maintenance testing, as sometimes existing systems need to be migrated to a new platform and tested to ensure they still work as expected.

Which Two of the Following Are Common Attributes of Maintenance