> Admitting you don't know is one path around this but, in practice, too many make you look unknowledgable and may mean that future important questions will be

> Admitting you don't know is one path around this but, in practice, too many make you look unknowledgable and may mean that future important questions will be aimed at your seniors or superiors. I think it's also a different circumstance to not know the answer to a specific question vs. appearing generally unknowledgable. The latter will definitely get you bypassed in favor of someone who knows something.