What additional security measure must be enabled along with IP Source Guard to protect against address spoofing?
- port security
- BPDU Guard
- root guard
- DHCP snooping
Explanation: Like Dynamic ARP Inspection (DAI), IP Source Guard (IPSG) needs to determine the validity of MAC-address-to-IP-address bindings. To do this IPSG uses the bindings database built by DHCP snooping.
Exam with this question: CCNA Security Chapter 6 Exam Answers
Exam with this question: Module 14: Quiz – Layer 2 Security Considerations Network Security
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