Case Study 1 - Contoso, Ltd Overview Contoso, Ltd. is a consulting company that has a main office in Montreal and three branch offices in Seattle, Boston, and Johannesburg. Existing Environment…

Case Study 1 - Contoso, Ltd Overview Contoso, Ltd. is a consulting company that has a main office in Montreal and three branch offices in Seattle, Boston, and Johannesburg. Existing Environment Microsoft 365 Environment Contoso has a Microsoft 365 E5 tenant. The tenant contains the administrative user accounts shown in the following table. Users store data in the following locations:

• SharePoint sites
• OneDrive accounts
• Exchange email
• Exchange public folders
• Teams chats
• Teams channel messages

When users in the research department create documents, they must add a 10-digit project code to each document. Project codes that start with the digits 999 are confidential. SharePoint Online Environment Contoso has four Microsoft SharePoint Online sites named Site1, Site2, Site3, and Site4. Site2 contains the files shown in the following table. Two users named User1 and User2 are assigned roles for Site2 as shown in the following table. Site3 stores documents related to the company's projects. The documents are organized in a folder hierarchy based on the project. Site4 has the following two retention policies applied:

• Name: Site4RetentionPolicy1

Locations to apply the policy: Site4 Delete items older than: 2 years Delete content based on: When items were created

• Name: Site4RetentionPolicy2

Locations to apply the policy: Site4 Retain items for a specific period: 4 years Start the retention period based on: When items were created At the end of the retention period: Do nothing Problem Statements Management at Contoso is concerned about data leaks. On several occasions, confidential research department documents were leaked. Requirements Planned Changes Contoso plans to create the following data loss prevention (DLP) policy:

• Name: DLPpolicy1

Locations to apply the policy: Site2 Conditions:

Content contains any of these sensitive info types: SWIFT Code

• Instance count: 2 to any

Actions: Restrict access to the content Technical Requirements Contoso must meet the following technical requirements:

• All administrative users must be able to review DLP reports.
• Whenever possible, the principle of least privilege must be used.
• For all users, all Microsoft 365 data must be retained for at least

one year.

• Confidential documents must be detected and protected by using

Microsoft 365.

• Site1 documents that include credit card numbers must be labeled

automatically.

• All administrative users must be able to create Microsoft 365

sensitivity labels.

• After a project is complete, the documents in Site3 that relate to

the project must be retained for 10 years. You need to meet the retention requirement for the users' Microsoft 365 data. What is the minimum number of retention policies required to achieve the goal?