CCIE Practice Test 2026 – Complete Exam Prep Resource

The directive of the crypto key encrypt write rsa command that is true emphasizes that the device is designed to save the unlocked encrypted key to non-volatile random access memory (NVRAM). This is significant because it ensures that the key persists through device reboots or power cycles. When the router runs the command, it takes the key, encrypts it, and then writes that encrypted version into NVRAM, where it can be retrieved later without needing to generate a new key or lose access to the encrypted data.

This process allows for secure storage of cryptographic keys, enabling ongoing secure communications without the need for regeneration after a reboot, which is crucial for maintaining system integrity and security in network configurations. The chosen answer reflects the router's functioning concerning key management and encryption practices.