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CompTIA Exam CV0-003 Topic 5 Question 97 Discussion

Actual exam question for CompTIA's CV0-003 exam
Question #: 97
Topic #: 5
[All CV0-003 Questions]

A cloud administrator who is troubleshooting DNS issues discovers zone transfers are not occurring between the primary and secondary name servers due to an error in the serial numbers. Which of the following records should the administrator query for the serial number?

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Suggested Answer: C

SOA stands for Start of Authority, and it is a type of DNS record that contains information about a DNS zone, such as the name of the primary name server, the email address of the zone administrator, the serial number of the zone, and other parameters. The serial number is used to indicate when a zone has been updated, and it is incremented by the primary name server whenever a change is made to the zone dat

a. The secondary name servers use the serial number to determine if they need to request a zone transfer from the primary name server to synchronize their data.


by Cherry at Nov 13, 2024, 08:49 AM

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Roosevelt
4 months ago
I bet the person who wrote this question is the same one who put the serial number in the SRV record. Gotta keep us on our toes, eh?
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Dorthy
3 months ago
A) PTR
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Ngoc
3 months ago
Yeah, they definitely like to keep us guessing with these tricky questions.
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Marguerita
3 months ago
C) SOA
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Lauran
4 months ago
This question is a piece of cake. If you can't find the serial number in the SOA record, you might as well pack up your bags and become a barista.
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Allene
3 months ago
If you can't find it there, you definitely need to brush up on your DNS knowledge.
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Nikita
3 months ago
Exactly, the Start of Authority record contains important information like the serial number.
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Johanna
3 months ago
The serial number is always found in the SOA record.
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Clarinda
4 months ago
C) SOA
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Goldie
4 months ago
I'm not sure, but I think querying the PTR record might also provide the serial number.
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Nichelle
4 months ago
I once tried to troubleshoot a DNS issue by querying the TXT records. Needless to say, that didn't go well. Go with the SOA record, it's the way to go!
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Ruthann
3 months ago
SOA record it is then, thanks for the advice!
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Lawrence
3 months ago
I made the mistake of querying the TXT records before, but now I know better.
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Hortencia
3 months ago
I agree, querying the SOA record is the best way to get the serial number.
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Kirk
4 months ago
Query the SOA record for the serial number.
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Laine
4 months ago
I agree with Novella, the SOA record contains the serial number for zone transfers.
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Novella
4 months ago
I think the administrator should query the SOA record for the serial number.
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Judy
5 months ago
C'mon, you can't be a cloud administrator and not know that the SOA record holds the serial number. That's like DNS 101!
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Nydia
4 months ago
True, but hopefully they'll remember for next time.
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Richelle
4 months ago
Maybe they just had a momentary lapse in memory. We all make mistakes sometimes.
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Tess
4 months ago
Yeah, that's a basic DNS troubleshooting step. They should definitely know that.
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Joaquin
4 months ago
I can't believe the administrator didn't know to query the SOA record for the serial number.
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Devorah
5 months ago
The serial number is definitely in the SOA record. That's the first thing I checked when troubleshooting a DNS issue like this.
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Dewitt
4 months ago
The SOA record is where you should query for the serial number.
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Eloisa
4 months ago
Make sure to check the SOA record for the serial number.
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Walker
4 months ago
Yes, the SOA record is where you can find the serial number.
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Lang
4 months ago
I agree, the serial number is in the SOA record.
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