Which three outbound ports or port ranges should you open?

You deploy Office 365.
You must implement Microsoft Skype for Business Online for all users. including audio and video for all desktop clients. All company desktop machines reside behind a company firewall.
You need configure the firewall to allow clients to use Skype for Business Online.
Which three outbound ports or port ranges should you open? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point. manage your time to ensure that you are able to complete all questions included on this exam in the time provided. case study. Case studies might contain exhibits and other resources that provide more information about the scenario that is described in the case study. Each question is independent of the other question on this case study. make changes before you move to the next sections of the exam. After you begin a new section, you cannot return to this section. the content of the case study before you answer the questions. Clicking these buttons displays information such as business requirements, existing environment, and problem statements. If the case study has an All tabs. When you are ready to answer a question, click the Question button to return to the question. forest contains three domains named fabrikam.com, contractor.fabrikam.com, and contoso.com. accessed from the Microsoft Azure portal. in description. all of the users in the United States office. type a verification code generated from a mobile app. primary SMTP email address. department to fabrikam.com. sign-on to standard authentication type. This option will not meet the objective of the question. view=azureadps-1.0

A.
TCP 80
Yes

B.
TCP 5061
No

C.
UDP 3478

D.
TCP 443

E.
TCP and UDP 50000-59999

A.
TCP 80
Yes

B.
TCP 5061
No

Explanation:

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Overview
General Overview
Fabrikam, Inc. is a financial services organization.
Fabrikam recently purchased another financial services organization named Contoso, Ltd.
Fabrikam has 2,000 users. Contoso has 500 users.
Windows 10 and Office 2016 are deployed to all computers.
Physical Locations
Fabrikam has an office in the United States. Contoso has an office in the United Kingdom.
The offices connect to each other by using a WAN link. Each office also connects directly to the Internet.
Existing Environment
Active Directory
The network of Fabrikam contains an Active Directory forest.
The Active Directory Environment of Contoso was migrated to the Active Directory forest of Fabrikam. The
All domain controllers run Windows Server 2008 R2.
All contractors outsourced by Fabrikam use the user principal name (UPN) suffix of contractor.fabrikam.com. If
Fabrikam hires the contractor as a permanent employee, the UPN suffix changes to fabrikam.com.
Network
The network has the following configurations:
External IP address for the Unites States office: 192.168.1.100
External IP address for the United Kingdom office: 192.168.2.100
Internal IP address range for the Unites States office: 10.0.1.0/24
Internal IP address range for the United Kingdom office: 10.0.2.0/24
Active Directory Federation Services (AD FS)
AD FS and Web Application Proxies are deployed to support an app for the sales department. The app is

Office 365 Tenant
You have an Office 365 subscription that has the following configurations:
Organization name: Fabrikam Financial Services
Vanity domain: Fabrikamfinancialservices.onmicrosoft.com
Microsoft SharePoint domain: Fabrikamfinancialservices.sharepoint.com
Additional domains added to the subscription: Contoso.com and fabrikam.com
Requirements
Planned Changes
Fabrikam plans to implement the following changes:
Deploy Azure AD Connect.
Move mailboxes from Microsoft Exchange 2016 to Exchange Online.
Deploy Azure multi-factor authentication for devices that connect from untrusted networks only.
Deploy the Azure Authenticator app and the Company Portal app to all mobile devices.
Customize the AD FS sign-in webpage to include the Fabrikam logo, a helpdesk phone number, and a sign-
Once all of the Fabrikam users are replicated to Azure Active Directory (Azure AD), assign an E3 license to
Technical Requirements
Contoso identifies the following technical requirements:
When a device connects from an untrusted network tohttps://outlook.office.com, ensure that users must
Ensure that all users can access Office 365 services from a web browser by using either a UPN or their
After Azure AD Connect is deployed, change the UPN suffix of all the users in the Contoso sales
Ensure that administrators are notified when the health information of Exchange Online changes.
Use Office 365 reports to review previous tasks performed in Office 365.

You need to configure the Office 365 subscription to ensure that Active Directory users can connect to Office
365 resources by using single sign-on (SSO).
Solution: You run Convert-MsolFederatedUser for all users.
Does this meet the goal?

The Convert-MsolFederatedUser cmdlet updates a user in a domain that was recently converted from single
References: https://docs.microsoft.com/en-us/powershell/module/msonline/convert-msolfederateduser?