# FAQs

- What Is DR?
- What Are the Highlights of SDRS?
- What Are RPO and RTO?
- What Are the Differences Between DR and Backup?
- What Can I Do When the EIP Cannot Be Pinged After I Perform a Planned Failover for a Protection Group Containing a SUSE Server?
- What Can I Do If the NIC Names of the DR Drill Server and Production Site Server Are Different?
- What Can I Do If hostname of the Production Site Server and DR Site Server Are Different After a Planned Failover or Failover?
- Why NICs of DR Site Servers Are Not Displayed After I Perform a Failover?
- What Are the Precautions If I Log In to the Production Site Server Using a Key Pair?
- Does SDRS Support Automatic Failover?