Implementing Cisco Network Security (IINS, legacy) — Question 92

An attacker installs a rogue switch that sends superior BPDUs on your network. What is a possible result of this activity?

Answer options

• A. The switch could offer fake DHCP addresses
• B. The switch could become the root bridge
• C. The switch could be allowed to join the VTP domain

Correct answer:

Explanation

The correct answer is B, as a rogue switch sending superior BPDUs can manipulate the network's Spanning Tree Protocol (STP) and position itself as the root bridge, disrupting normal traffic flow. Option A is incorrect because while it may lead to DHCP spoofing, that is not a direct consequence of sending superior BPDUs. Option C is also incorrect since joining the VTP domain is not directly related to sending BPDUs.