What is the purpose in configuring an IOS IPS crypto key when enabling IOS IPS on a Cisco router?
- to secure the IOS image in flash
- to enable Cisco Configuration Professional to be launched securely
- to encrypt the master signature file
- to verify the digital signature for the master signature file
Explanation: The crypto key verifies the digital signature for the master signature file (sigdef-default.xml). The content of the file is signed by a Cisco private key to guarantee its authenticity and integrity.
Exam with this question: CCNA Security Chapter 5 Exam Answers
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