Explanation:

Here’s how this works:

Reply Mail Management (RMM) lets you define a forwarding email (the template that gets sent to your Customer Success team when a subscriber replies). Inside that forwarding email, you can use RMM-specific personalization strings such as:

%%ReplyBody%% – the body of the subscriber’s reply
%%ReplySubject%%, %%ReplyEmailAddress%%, etc.

By placing %%ReplyBody%% in the forwarding email content, the actual reply text from the subscriber will be rendered directly in the auto-forwarded message that Customer Success receives.

So to meet the requirement:
Configure the RMM Forwarding Address and forwarding email.
Add the RMM personalization string for the reply body (e.g., %%ReplyBody%%) into that email template.

Why the others are not correct:

A. Check the "Include Replies as Attachments" box in the RMM settings.
There isn’t a standard “Include Replies as Attachments” checkbox in RMM, and attachments aren’t how RMM is designed to surface reply content to your team.

B. Use RMM dynamic content blocks to render the email reply body.
There is no special “RMM dynamic content block” type. Dynamic content doesn’t control access to the RMM reply body like this.

C. Query the RMM data view for the reply body and reference it from a data extension.
RMM reply content is not typically surfaced for real-time forwarding through data views and queries.
Even if you could query some data, it would be asynchronous and not practical for including in auto-forwarded reply emails.

So the correct way to include the reply text in the forwarded message is:

✅ D. Use RMM personalization strings to render the email reply body.

Explanation:

Why this is correct:
MobileConnect has a native feature called Blockout Window (sometimes labeled Send Time Blockout).
When configured and enabled at the account or keyword level, it automatically prevents any outbound SMS — including SMS activities inside Journey Builder — from being sent during the specified hours (e.g., 1 a.m.–6 a.m.).
The message is held in the queue and sent as soon as the blockout window ends, or it can be configured to skip entirely. This is the exact, out-of-the-box solution designed for “do not disturb” time zones.

Why the others are wrong:
A and B – Running a nightly SQL Query or Import to build a suppression list will not work reliably for real-time Journey entries. A contact entering the journey at 3 a.m. would not be in a suppression list built hours earlier.
C – Journey Goals are for measuring conversion, not for blocking sends by time of day. There is no native “exit journey because it’s nighttime” functionality.

Explanation:

This is an automated file transfer scenario with a focus on security and maintenance reduction. The pain point is password expiration breaking automated scripts.

Why B is Correct: SSH Key Authentication is the standard, secure solution for server-to-server FTP/SFTP automation. Instead of a password, the data warehouse server uses a cryptographic private key to authenticate. The corresponding public key is uploaded to the Marketing Cloud FTP user's profile in Key Management. This key pair does not expire like a password, eliminating the 90-day maintenance cycle while providing stronger security (asymmetric cryptography).

Why D is Incorrect: Simply switching from FTP to SFTP (Secure File Transfer Protocol) encrypts the connection but does not, by itself, solve the password expiration problem. SFTP can still use username/password authentication. The core solution is to move away from password-based auth entirely, which is achieved via SSH Keys.

Why C is Incorrect: Disabling password expiration is a security anti-pattern. It weakens the security posture by leaving a static credential in place, which contradicts the requirement "they do not want to compromise security."

Why A is Incorrect: Single Sign-On (SAML) is used for user interface authentication (logging into the Marketing Cloud app). It is not a mechanism for authenticating server-based FTP file transfers.

Key Concept: Secure FTP Automation. For robust, low-maintenance, automated file transfers into Marketing Cloud, SSH Key Authentication for SFTP is the industry-standard and Salesforce-recommended approach.

Explanation:

The process of implementing a dedicated sending domain (via SAP or Private Domain) requires modification of the customer's DNS records, often for a delegated subdomain. The consultant must confirm the IT team's policies and capabilities.

Delegation Policy (B): Implementing a sending domain often involves delegating a subdomain (e.g., https://www.google.com/search?q=email.ntoutfitters.com) to Salesforce's nameservers. This requires the customer's IT team to approve and execute the delegation via NS records. If the company policy forbids delegating subdomains to third parties, the implementation approach must change.

DNS Modification Capability (D): If the company does not allow delegation, the IT team must be able to modify the DNS entries themselves (known as self-hosting or CNAME approach) by adding the necessary SPF, DKIM, MX, and CNAME records provided by Marketing Cloud. The consultant must know if the IT team has the required administrative access to their DNS host.

❌ Incorrect Answers and Explanations
A. Can they provide access for Marketing Cloud to update the DNS records?: The customer's IT team should never provide direct administrative access to their DNS records to a third party like Marketing Cloud for security reasons. This is a highly inappropriate question.

C. Will they be able to post Marketing Cloud-provided DNS files when self-hosting?: DNS records are entered as text in the DNS host's management interface, not typically uploaded as "DNS files." The key capability is the ability to modify the entries (Option D).

📚 References
Sender Authentication Package (SAP) DNS Requirements: Salesforce documentation outlines the two main implementation methods: Nameserver Delegation (NS Records) or Self-Hosting (CNAME, MX, SPF, DKIM Records), both of which require IT involvement.
Reference: Search for "Marketing Cloud SAP DNS Configuration Options" in Salesforce Help.

Explanation:

Why C is correct
With Marketing Cloud Connect Multi-Org, you can connect multiple Salesforce Sales/Service Cloud orgs to a single Marketing Cloud instance. However, there is a big architectural consideration:

Enabling Multi-Org is a one-way change – it’s effectively irreversible.

Once your Marketing Cloud account is configured as Multi-Org, you cannot revert it back to a single-org configuration. Because of that, Salesforce recommends carefully planning your org strategy, data model, and governance before enabling Multi-Org.

This is exactly the kind of consideration you’d raise to a customer who is debating the upgrade.

Why the other options are incorrect
A. Shared Salesforce Data Extensions will be enabled in up to 5 business units.
This is not a standard Multi-Org “benefit” or defining behavior.

Shared DEs and BU sharing are separate design decisions and not the key consideration for deciding Multi-Org.

B. Custom profile and subscription centers will not be required.
Multi-Org has no magic effect on the need for preference centers or subscription centers.

In many multi-org scenarios, custom centers are even more important to correctly honor preferences across brands/orgs.

D. Existing accounts cannot be upgraded to Multi-Org.
Existing Marketing Cloud accounts can be upgraded to Multi-Org via Salesforce support / configuration.

That’s exactly what Northern Trail Outfitters is considering here.

So the important decision point is:
✅ C. Once an account is upgraded to Multi-Org, it cannot be turned off.