An upgrade to a web application, which supports 400 users at four sites, is being tested. The application runs on four servers behind a load balancer.
The following test plan is proposed:
* Have 50 users from site A connect to server 1
* Have 50 users from site B connect to server 2
* Have 50 users from site C connect to server 3
* Have 50 users from site D connect to server 4
Which of the following parameters is being properly tested by this plan?

A CASB provides the application proxy and web application firewall to a large retailer. All access to the retailer cloud application must originate from the CASB-designated IP addresses. The CASB has known geolocations with known IP addresses. Suddenly, all customers are not able to access the retailer cloud applications. Which of the following is MOST likely the reason for the issue?

Worldwide users from an organization are experiencing intermittent access to a global cloud application. The cloud provider availability dashboard shows all resource availability has been 100% in the last two weeks. No network outages have been reported. Which of the following should the organization's administrator do BEFORE calling the cloud provider?

A company that provides cloud-based storage services allows user authentication using third-party social network credentials. Which of the following should be implemented to accomplish this task?

An organization is replacing its internal human resources system with a SaaS-based application. The solution is multi-tenant, and the organization wants to ensure ubiquitous access while preventing password replay attacks. Which of the following would BEST help to mitigate the risk?