Your network contains an Active Directory domain named contoso.com.
You currently have an intranet web site that is hosted by two Web servers named Web1 and Web2.
Web1 and Web2 run Windows Server 2012.
Users use the name intranet.contoso.com to request the web site and use DNS round robin.
You plan to implement the Network Load Balancing (NLB) feature on Web1 and Web2.
You need to recommend changes to the DNS records for the planned implementation.
What should you recommend?
A.
Create one alias (CNAME) record named Intranet. Map the CNAME record to Intranet.
B.
Delete both host (A) records named Intranet. Create a pointer (PTR) record for each Web server.
C.
Create a new host (A) record named Intranet. Remove both host (A) records for Web1 and Web2.
D.
Delete one of the host (A) records named Intranet. Modify the remaining host (A) record named Intranet.
Explanation:
Need to check
Remove both host (A) records named Intranet. Create a new host (A) record named
Intranet
D is correct.
Seeing as DNS was being used to “load balance” by having the same A record with two entries/IP’s, you can simply delete ONE record, then modify the remaining Intranet record by pointing to the new NLB IP.
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C
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What you need at the end of the operation is 1 intranet A record pointing to cluster IP. There are currently 2 (each with different IP).
Removing 2 entries for web1 and web2 don’t help here – you’d still have 2 entries pointing to intranet
– remove one of the intranet entries
– change address of second
(you can’t change the host of the A entry, just the IP)
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Thanks, Jimster and no!
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