When a user's Okta password is changed:
Solution: All apps that are Provisioning-enabled and have Sync Password option active under Provisioning settings - will begin to sync the password in respective apps, but only if JIT Provisioning is enabled as well as it has to be a just-in-time action, the moment the user resets the password

If you want to remove an attribute's value in Okta, for example a value coming from AD that is not useful in any way, you have to:
Solution: Simply delete the attribute from the Okta Admin Panel GUI

When you call a GET API call for users / groups / and other such objects, the response is usually Paginated, in case these are a lot of objects returned. What do you do in order to retrieve all objects?
Solution: You have to call a different API request for the next page, which will then provide another API call in the response headers of it - for the following page (in case there are still objects to be returned), till there are no more objects to be returned

Whenever you make an API call, you will then get back:
Solution: Okta events under '/events' endpoint

With Okta you federate the 'Office 365 tenant name' (which is the default Microsoft domain you have) or the 'Office 365 domain'?
Solution: You federate with Okta both the 'Office 365 tenant name' and the 'Office 365 domain'