The pressures of having to know everything

Currently working within a security leadership position,but decided to apply for a similar role elsewhere. I haven’t interviewed in a while but wanted to understand if this is everyone’s experience.

There appears to be an expectation to know absolutely everything about everything.

I was being asked questions like ;

1. What would be your strategy from day one
2. Tell me about this specific Technique in the Mitre Att&ck framework
3. Tell me about your experience with contractual negotiations with …

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