Refer to the exhibit which shows an nslookup output of MX records of the example.com domain.

Which two MTA selection behaviors for the example.com domain are correct? (Choose two.)
Suggested Answer: B, C
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31 comments · newest first
FE
Fernanda
10 months ago
Wait, how can mx.example.com get twice the emails? Sounds off.
SH
Shaunna
10 months ago
I think B is right too, mx.hosted.com is primary.
CO
Coral
10 months ago
A is correct, preference values matter!
BE
Bea
10 months ago
D seems wrong, PriNS isn't mentioned in the MX records.
AI
Aileen
10 months ago
C makes sense, fallback behavior is key.
JA
Jani
11 months ago
I don’t recall seeing anything about a PriNS server in our notes; I thought it was just about the MX records.
SH
Shawnda
11 months ago
I practiced a similar question where the backup MTA only received emails if the primary was down, so I feel like option C might be correct.
CE
Celia
11 months ago
I think mx.hosted.com is the primary MTA because it has a lower preference value, but I need to double-check that.
SH
Shelton
11 months ago
I remember that the preference value determines which MTA gets more traffic, but I'm not sure how to calculate the exact distribution.
DE
Devora
12 months ago
This is a tricky one. I'll need to review my notes on MX record processing to make sure I'm selecting the right answers.
ST
Stefan
12 months ago
I'm feeling pretty confident about this one. The nslookup output gives me all the information I need to identify the correct MTA selection behaviors.
LE
Levi
12 months ago
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.
RO
Ronna
1 year ago
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.
AR
Arthur
1 year ago
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.
CH
Chaya
1 year ago
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.
WI
Willard
1 year ago
I'm not sure about that. I think A and D are the correct answers.
CH
Chandra
1 year ago
I agree with you, Chaya. The primary MTA is mx.hosted.com and external MTAs will send email to mx.example.com only if mx.hosted.com is unreachable.
EL
Eleonore
1 year ago
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!'
LA
Lamonica
1 year ago
Option D is just silly. The PriNS server is not responsible for receiving all email for the domain. That's not how it works.
SA
Salley
1 year ago
C) The external MTAs will send email to mx.example.com only if mx.hosted.com is unreachable.
YU
Yuette
1 year ago
B) The primary MTA for the example.com domain is mx.hosted.com.
VA
Vallie
1 year ago
A) mx.example.com will receive approximately twice the number of email as mx.hosted.com because of its preference value.
JU
Justine
1 year ago
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.
DE
Deonna
1 year ago
We should consider other factors besides just the preference value when determining email distribution.
IZ
Izetta
1 year ago
I agree. MTAs may handle load balancing differently, so it's not a guarantee.
WH
Whitney
1 year ago
I think you're right. The preference value doesn't always determine the amount of email received.
CH
Chaya
1 year ago
I think the correct answers are B and C.
NO
Norah
1 year ago
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.
HU
Hubert
1 year ago
Exactly, mx.example.com will receive approximately twice the number of email as mx.hosted.com because of its preference value.
CO
Cory
1 year ago
So, that means external MTAs will send email to mx.example.com only if mx.hosted.com is unreachable.
JO
Johnna
1 year ago
I agree, option B is correct. The primary MTA for the example.com domain is mx.hosted.com.