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Microsoft Exam AZ-800 Topic 5 Question 46 Discussion

Actual exam question for Microsoft's AZ-800 exam
Question #: 46
Topic #: 5
[All AZ-800 Questions]

Task 9

You need to ensure that all the computers in the domain use DNSSEC to resolve names in the adatum.com zone.

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Suggested Answer: A

To ensure that all computers in the domain use DNSSEC to resolve names in the adatum.com zone, you'll need to configure both the DNS servers and the client computers. Here's how you can do it:

Step 1: Sign the adatum.com Zone First, you need to sign the adatum.com DNS zone. This can be done using the DNS Manager or PowerShell. Here's a PowerShell example:

Add-DnsServerSigningKey -ZoneName 'adatum.com' -CryptoAlgorithm RsaSha256

Set-DnsServerDnsSecZoneSetting -ZoneName 'adatum.com' -DenialOfExistence NSEC3 -NSEC3Parameters 1,0,10,''

This will add a signing key and configure DNSSEC for the zone with NSEC3 parameters.

Step 2: Configure DNS Servers Ensure that your DNS servers are configured to support DNSSEC. This includes setting up trust anchors for the zones that you want to validate and configuring the DNS servers to provide DNSSEC validation for DNS queries.

Step 3: Configure DNS Clients For DNSSEC validation to occur on the client side, the client computers must be configured to trust the DNS server's validation process. This typically involves configuring the client's DNS settings to point to a DNS server that supports DNSSEC.

Step 4: Validate Configuration You can validate that DNSSEC is working correctly by using tools like nslookup or dig to query DNS records and check for the presence of DNSSEC signatures in the responses.

Note: The exact steps may vary depending on your environment and the version of Windows Server you are using. Ensure that you have the appropriate administrative rights to make these changes and that you test the configuration in a controlled environment before deploying it domain-wide12.

By following these steps, you should be able to ensure that all computers in your domain use DNSSEC to resolve names in the adatum.com zone.


Contribute your Thoughts:

Emilio
6 months ago
DNSSEC, huh? Well, at least it's better than using a magic 8-ball to resolve domain names.
upvoted 0 times
Graciela
5 months ago
C) Test the DNS resolution to ensure DNSSEC is working properly
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Shaun
5 months ago
B) Update the DNS settings on all computers in the domain to use DNSSEC
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Jade
5 months ago
A) Enable DNSSEC on the domain controller for adatum.com
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Laurena
6 months ago
Wait, we're actually expected to configure DNSSEC? I thought this was an IT exam, not a cryptography masterclass!
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Charisse
6 months ago
Don't worry, we can follow the solution provided to complete the task.
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Marva
6 months ago
It's important for security and ensuring that names are resolved correctly.
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Tonette
6 months ago
Yes, we need to configure DNSSEC for all computers in the domain.
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Quentin
6 months ago
Ah yes, securing the adatum.com zone. Gotta keep those pesky hackers away from our top-secret dog memes.
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Lorrie
5 months ago
Make sure to configure DNS servers to support DNSSEC
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Loise
6 months ago
Enable DNSSEC on all computers in the domain
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Felton
6 months ago
Make sure to configure DNS servers to support DNSSEC
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Herminia
6 months ago
Enable DNSSEC on all computers in the domain
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Kenny
6 months ago
Enable DNSSEC on all computers in the domain
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Shawnee
6 months ago
Make sure to configure DNSSEC for adatum.com zone
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Melissia
7 months ago
DNSSEC? Sounds like something straight out of a spy movie! Let's hope the computers don't start decrypting state secrets while they're at it.
upvoted 0 times
Estrella
6 months ago
I hope the implementation of DNSSEC goes smoothly for all the computers in the domain.
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Erasmo
6 months ago
DNSSEC may introduce some overhead, but the security benefits outweigh the performance impact.
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Suzi
6 months ago
Will implementing DNSSEC affect the performance of the computers?
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Stephanie
6 months ago
DNSSEC uses cryptographic signatures to ensure the authenticity of DNS data.
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Pansy
6 months ago
How does DNSSEC work?
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Annamaria
6 months ago
Oh, I see. So it's like a secret code to keep our domain safe.
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Dorethea
7 months ago
DNSSEC is actually a security protocol to protect against DNS attacks.
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Ahmed
7 months ago
DNSSEC stands for Domain Name System Security Extensions.
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Dick
7 months ago
What is DNSSEC?
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