Certified Ethical Hacker (CEH v13) — Question 67

Robin, a professional hacker, targeted an organization’s network to sniff all the traffic. During this process, Robin plugged in a rogue switch to an unused port in the LAN with a priority lower than any other switch in the network so that he could make it a root bridge that will later allow him to sniff all the traffic in the network. What is the attack performed by Robin in the above scenario?

Answer options

• A. ARP spoofing attack
• B. STP attack
• C. DNS poisoning attack
• D. VLAN hopping attack

Correct answer: B

Explanation

The correct answer is B, STP attack, because Robin's actions involved manipulating the Spanning Tree Protocol (STP) by introducing a rogue switch to become the root bridge. The other options do not apply here: ARP spoofing targets IP address resolution, DNS poisoning affects domain name resolution, and VLAN hopping involves bypassing VLAN restrictions, none of which are relevant to Robin's method of traffic interception.