Refer to the exhibit. Which statement is true of the EIGRP keys that are used by router R2?

- R2 is encrypting EIGRP packets with only key 1.
- R2 is encrypting EIGRP packets with both key 1 and key 2.
- R2 is using only key 2 to authenticate received EIGRP packets.
- R2 is authenticating received EIGRP packets with both key 1 and key 2.
Related exam: CCNP ROUTE (Version 6.0) Chapter 2 Exam
