Okay, I think I've got a handle on this. The key is to focus on the preference values and understand how the external MTAs will prioritize the MX records.
Hmm, I'm a bit confused by the different preference values for the MX records. I'll need to make sure I understand how those preference values impact email delivery.
This looks like a straightforward MX record question. I'll need to carefully analyze the information provided in the nslookup output to determine the correct MTA selection behaviors.
But Willard, mx.example.com will not receive twice the number of emails as mx.hosted.com. And the PriNS server should not receive all emails for the domain.
This question is a piece of cake! I bet the exam writers are struggling to come up with tougher MX record questions. 'Oh no, the PriNS server is going to take over the world with its email prowess!'
I'm not sure about option A. The preference value doesn't necessarily determine the amount of email received. The MTAs may handle load balancing differently.
Option B is correct. The primary MTA for the example.com domain is mx.hosted.com, as indicated by its lower preference value of 10 compared to mx.example.com's preference of 20.
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