VIP Exclusive
PCB Design VIP Certification Practice Exam
PCB — This exam mirrors the IPC Certified Interconnect Designer (CID) certification exam, issued by IPC (Association Connecting Electronics Industries). The real CID exam consists of approximately 100 multiple-choice questions covering PCB design principles, materials, fabrication, signal integrity, EMC, and DFM, with a passing score of 70% and a 2-hour time limit.
29
Questions
120m
Time Limit
70.00%
To Pass
Question 1 of 29👑 VIP
A PCB designer is working on a high-speed digital design running at 2.5 GHz. The board uses a 4-layer stackup with FR-4 core material. When selecting the dielectric material for controlled-impedance traces on the signal layers, which property of FR-4 is MOST likely to cause signal integrity problems at this frequency?
Questions 2–29 and full explanations are VIP-exclusive.