Which mechanism should an Integration Architect recommend to make a secure, authenticated connection to a remote system that results in the remote system trusting Salesforce?

An integration architect needs to build a solution that will be using the Streaming API, but the data loss should be minimized, even when the client re-connects every couple of days.
Which two types of Streaming API events should be considered?
Choose 2 answers

Northern Trail Outfitters (NTO) has recently changed their Corporate Security Guidelines. The guidelines require that all cloud applications pass through a secure firewall before accessing on-premise resources. NTO is evaluating middleware solutions to integrate cloud applications with on-premise resources and services.
What are two considerations an Integration Architect should evaluate before choosing a middleware solution?
Choose 2 answers

Universal Containers acquires several companies and decides to consolidate all customer service systems used by the acquired companies into one Salesforce Service Cloud. They decide to use an ETL to extract service requests from various systems, apply appropriate transformations, and load cases into Salesforce. Different requests captured by different customer service systems could belong to common accounts in Salesforce, so care must be taken to avoid creating duplicate accounts. Which two API options should be considered to load cases into Salesforce that would be safe from record -locking issues? Choose 2 answers

Northern Trail Outfitters needs to make synchronous callouts "available to promise" services to query product availability and reserve inventory during customer checkout process.
Which two considerations should an integration architect make when building a scalable integration solution?
Choose 2 answers