The URL for an external service has been changed without prior notice. The service provides up to date money exchange rates that is accessed several times from Salesforce and is a business critical function for end users.
Which two solutions should an Integration Architect recommend be implemented to minimize potential downtime for users in this situation?
Choose 2 answers

Northern Trail Outfitters' (NTO) Salesforce org usually goes through 8k-10k batches a day to synch data from external sources. NTO's Integration Architec has received requirements for a new custom object, FooBarc, for which 90M records will need to be loaded into the org. Once complete, 20GB (about 30M records) needs to be extracted to an external auditing system.
What should the architect recommend using to meet these requirements in a day?

The Integration Team at Universal Containers is frustrated because the developers keep changing the data model and trigger behaviors during development, resulting in frequent rework and unexpected bugs lade in the development process.
What two recommendations should a Technical Architect make to resolve this issue?
Choose 2 answers

What are the three capabilities of the Bulk API?
Choose 3 answers

An Architect is required to integrate with an External Data Source via a Named Credential with an Apex callout due to technical constraints.
How is authentication achieved?