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Question 515 - N10-008 discussion

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A network engineer is concerned about VLAN hopping happening on the network. Which of the following should the engineer do to address this concern?

A.
Configure private VLANS.
Answers
A.
Configure private VLANS.
B.
Change the default VLAN.
Answers
B.
Change the default VLAN.
C.
Implement ACLs on the VLAN.
Answers
C.
Implement ACLs on the VLAN.
D.
Enable dynamic ARP inspection.
Answers
D.
Enable dynamic ARP inspection.
Suggested answer: B

Explanation:

VLAN hopping is a type of attack that allows an attacker to access or manipulate traffic on a different VLAN than the one they are connected to. One way to prevent VLAN hopping is to change the default VLAN on a switch. The default VLAN is the VLAN that is assigned to all ports on a switch by default,

usually VLAN 1. If an attacker connects to an unused port on a switch that has not been configured with a specific VLAN, they can access or spoof traffic on the default VLAN. By changing the default VLAN to an unused or isolated VLAN, the network administrator can prevent unauthorized access or interference with legitimate traffic on other VLANs. Reference:

https://www.comptia.org/training/books/network-n10-008-study-guide (page 308)

asked 02/10/2024
Tolga Kesici
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