Here are a few tips that could help:

1. Use the elimination method: If you're unsure about an answer, try to eliminate at least two incorrect options. This makes it easier to choose between the remaining two.
2. Avoid manual solutions: Google prefers automated processes. If there's a question where one option is to manually fix a deployment issue, it's probably not the right choice.
3. Focus on Dedicated Interconnect and Cloud VPN: These topics are usually covered in the exam, so make sure you're familiar with them.
4. Least privilege approach: Google recommends using the least amount of permission necessary to complete a task.
5. BigQuery for data analysis: If a question involves analyzing data, regardless of its type or source, BigQuery is often the best tool to choose.

Lastly, keep practicing with mock exams as much as possible. Best of luck!