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 call the very same API multiple times, till the response will be empty

When a user signs out of Okta, if they are using IWA, they'll be redirected to the Sign In page and without inputting credentials they'll be signed back in Solution: Statement is false, as this would represent a security concern

Which port and which of the: 'http' or SSL enabled connections does Okta recommend?
Solution: Port 443 and http connections

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 call the very same API with the help of a different token, hence will return the next page of objects

The Okta On-Prem MFA Agent acts as a Radius client and communicates with the RADIUS enabled On-Prem server, including RSA Authentication manager for RSA SecurIDs. This basically allows your organization to leverage Second Factor from a variety of On-Premises multifactor authentication tools.
Solution: The statement is partically true - as it has nothing to do with RSA