Your organization wants to use Azure DNS to manage the custom domain for a new company website. You’re working on the implementation plan for the DNS zones, DNS delegation, and DNS record sets.
- The IT team wants to know if there are advantages to using Azure Private DNS.
- The admin team needs information about mapping DNS records to IP addresses.
Question 1
Which summary best describes the main purpose of Azure DNS?
A. Azure DNS manages the security and access to your website.
B. Azure DNS manages and hosts the registered domain for a website and its associated records.
C. Azure DNS registers new domain names, so there’s no need to use a domain registrar.
Answer
B. Azure DNS manages and hosts the registered domain for a website and its associated records.
Explanation
Azure DNS hosts the registered domains. Administrators can control and configure domain records like A, CNAME, and MX, and set up alias records.
A is incorrect. In general, this statement is true, but it doesn’t describe the primary purpose.
C is incorrect. Azure DNS isn’t a domain registrar. The service hosts the domain and allows administrators to manage DNS zone records.
Question 2
What type of DNS record can map one or more IP addresses against a single domain?
A. CNAME
B. SOA
C. A or AAAA
Answer
C. A or AAAA
Explanation
The A or AAAA record maps an IP address to a domain. Multiple IP addresses are known as a record set.
A is incorrect. The `CNAME record maps a domain name to another domain name.
B is incorrect. The SOA record is the start of authority for the domain.
Question 3
Azure Private DNS supports which of the following scenarios?
A. Organizations manage and resolve domain names in a virtual network without adding a custom DNS solution.
B. Organizations manage and resolve domain names in a virtual network by adding a custom DNS solution.
C. Organizations manage domain names in other organizations.
Answer
A. Organizations manage and resolve domain names in a virtual network without adding a custom DNS solution.
Explanation
Azure Private DNS manages and resolves domain names in a virtual network without adding a custom DNS solution.
B is incorrect. Azure Private DNS doesn’t require adding a custom DNS solution.
C is incorrect. Azure Private DNS doesn’t enable an organization to manage domain names in other organizations.
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