You design an Azure web application. The web application is accessible by default as a standard
cloudapp.net URL.
You need to recommend a DNS resource record type that will allow you to configure access to the
web application by using a custom domain name.
Which DNS record type should you recommend?
A.
SRV
B.
MX
C.
CNAME
D.
A
Explanation:
A CNAME record maps a specific domain, such as contoso.com or www.contoso.com, to a canonical
domain name. In this case, the canonical domain name is the <myapp>.cloudapp.net domain name
of your Azure hosted application. Once created, the CNAME creates an alias for the
<myapp>.cloudapp.net. The CNAME entry will resolve to the IP address of your
<myapp>.cloudapp.net service automatically, so if the IP address of the cloud service changes, you
do not have to take any action.
Incorrect:
Not D:
* Since an A record is mapped to a static IP address, it cannot automatically resolve changes to the IP
address of your Cloud Service.
* An A record maps a domain, such as contoso.com or www.contoso.com, or a wildcard domain such
as *.contoso.com, to an IP address. In the case of an Azure Cloud Service, the virtual IP of the
service. So the main benefit of an A record over a CNAME record is that you can have one entry that
uses a wildcard, such as *.contoso.com, which would handle requests for multiple sub-domains such
as mail.contoso.com, login.contoso.com, or www.contso.com.
Configuring a custom domain name for an Azure cloud service
http://azure.microsoft.com/en-gb/documentation/articles/cloud-services-custom-domain-name/
CNAME
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0
You can also use CNAME or A records to associate a custom domain name with your VM. When you use A records, however, you need to note that the VIP of your VM might change. When you deallocate a VM, the associated VIP is released. And when the VM is restarted later, a new VIP will be picked and assigned. If you want to ensure that your VM has a static public IP address, you’ll need to confi gure a static IP address for it as described earlier.
0
0
Both answer C & D are correct
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0
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0
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Ans: C is correct
0
0
C is Correct
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I’m wondering if the answer for this is MX Record, because it says “a DNS record type that will ALLOW you to CONFIGURE access..” it’s not saying a record to direct queries with the custom domain, that would 100% be CNAME or A record.
An MX record is used to verify the custom domain, which you must to in order to allow you to configure access via the custom domain name.
Cheeky bastards…
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