| Exam 200-120 | Question id=40 | IP Routing Technologies |
Which statements are true about the loopback address that is configured on router R2?
| A. |
It ensures that data will be forwarded by Router R2. | |
| B. |
It provides stability for the OSPF process on Router R2. | |
| C. |
It specifies that the router ID for Router R2 should be 10.1.2.1. | |
| D. |
It decreases the metric for routes that are advertised from Router R2. | |
| E. |
It indicates that Router R2 should be elected the DR for the LAN. |
A loopback interface is always up so it provides stability for the OSPF process.
The highest IP address assigned to a loopback (logical) interface. If a loopback interface is not defined, the highest IP address of all active router's physical interfaces will be chosen.