In the systematic troubleshooting approach, which of the following statements is true about isolating an issue?
A . Asking the customer to reproduce an issue can help determine if the issue is with the device.
B . If an issue cannot be reproduced, it is likely a hardware issue.
C . Replacing an internal component will determine if the issue is related to environment.
D . Basing a conclusion on past experience with similar issues is a proven troubleshooting method.
Answer: A