A notary public works at a bank during the day and runs a mobile notary business at night. Can they maintain two separate sequential journals to keep their employer's records separate from their private business records?

Yes, as long as both are kept in locked and secured areas.

No, unless they register both journals with the county clerk.

No, a notary public is required to keep only one active sequential journal at a time of all acts performed.

Yes, provided the employer pays for the bank journal.