Microsoft
70-663 · Question #123
A corporate environment includes Exchange Server 2010. The environment is configured as shown in the following table. The company is planning to test a complete site failover. You have the following…
The correct answer is B. Prior to the site failover, lower the time to live (TTL) value of exchange.contoso.com to the. DNS record must be repointed to another server and TTL is minimized to propagate quicker.
Designing for High Availability and Disaster Recovery
Question
A corporate environment includes Exchange Server 2010. The environment is configured as shown in the following table. The company is planning to test a complete site failover. You have the following requirements:
- Ensure that users can connect to their mailboxes in the disaster
recovery site by using Microsoft Outlook 2010.
- Minimize downtime during the site failover.
- Minimize client connectivity issues after the site failover.
You need to recommend a solution that meets the requirements. What should you recommend?
Exhibit
Options
- APrior to the site failover, raise the time to live (TTL) value of exchange.contoso.com to the
- BPrior to the site failover, lower the time to live (TTL) value of exchange.contoso.com to the
- CAdd a DNS record pointing exchange.contoso.com to the DR-HTCAS1 server.
- DAdd a DNS record pointing exchange.contoso.com to the DR-MBX1 server.
How the community answered
(63 responses)- A8% (5)
- B75% (47)
- C3% (2)
- D14% (9)
Explanation
DNS record must be repointed to another server and TTL is minimized to propagate quicker.
Topics
#DNS TTL#site failover#Outlook connectivity#disaster recovery planning
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