ISTQB Certified Tester Advanced Level – Test Analyst (CTAL-TA) — Question 2

A tablet manufacturer offers the following options for its customers:
Colour – Black, White, Silver, Gold

Model – Standard, Mini, Pro -

Gigabytes – 32, 64, 128, 256 -
Connectivity – Wifi only, Wifi+Cellular
When considering the pairwise test technique, how many pair combinations are there to be tested?

Answer options

Correct answer: D

Explanation

The correct answer is D, as the pairwise testing technique calculates the combinations of options across different categories. With four color options, three model options, four storage sizes, and two connectivity types, the total combinations of pairs amount to 124. The other options understate the total combinations possible.