An organization is having trouble with performance in Office $365.$ Emails are slow to send and receive and it is taking a long time to upload content to SharePoint Online. Which of the following can the administrator check to resolve these issues?Ensure all traffic to Office $365$ is routed through the main office first so that it is aggregated and processed more efficiently.Ensure the Azure subsciplion level is meeting the organization's needs for timely handling of authentication requestSet the Upload Rate in the SharePoint Admin Center to a lower setting in order to ensure that files being uploaded to SharePoint are not eating up too much of the bandwidth.Upgrade the Office $365$ licenses in the organization to receive faster service from Office $365.$Ensure the firewall allows access to all local Office $365$ endpoints.You may not go back to previous questions. Clicking the 'Back' Button will disrupt your test. Clicking the CTRL key will also suspend the test and access will be cut off. in case of a network failure, close the browser windows$).$ You may restart the test at the same location by logging in as previously instructed.