CompTIA Network+ Question C-84

A network administrator receives a call asking for assistance with connecting to the network. The user asks for the IP address, subnet class, and VLAN required to access the network. This describes which of the following attacks?

A. Social engineering
B. Spoofing
C. Zero-day attack
D. VLAN hopping

Correct Answer: A

CompTIA Network+ Question B-92

An attacker has connected to an unused VoIP phone port to gain unauthorized access to a network. This is an example of which of the following attacks?

A. Smurf attack
B. VLAN hopping
C. Bluesnarfing
D. Spear phishing

Correct Answer: B

Explanation:
The VoIP phone port can be used to attack a VLAN on the local network.
VLAN hopping is a computer security exploit, a method of attacking networked resources on a Virtual LAN (VLAN). The basic concept behind all VLAN hopping attacks is for an attacking host on a VLAN to gain access to traffic on other VLANs that would normally not be accessible.