CPA-Certified Public Accountant Set 16

A switch that is to be added to the production network has been preconfigured (trunks, VLANs, VTP, and STP) and was tested in your lab. After installing the switch into the network, the entire network went down. What might explain what happened?

What is one method that can be used to prevent VLAN hopping on the network?

When an attacker is using switch spoofing to perform VLAN hopping, how is the attacker able to gather information?

Which statement is true about DHCP spoofing operation?

VLAN maps have been configured on switch R1. Which of the following actions are taken in a VLAN map that does not contain a match clause?

Which of the following should you enable to prevent a switch from forwarding packets with source addresses that are outside an administratively defined group? (Select the best answer)

When configuring port security on a Cisco Catalyst switch port, what is the default action taken by the switch if a violation occurs?

You are responsible for increasing the security within the Company LAN. Of the following choices listed below, which is true regarding layer 2 security and mitigation techniques?

Given the configuration on a switch interface, what happens when a host with the MAC address of 0003.0003.0003 is directly connected to the switch port?
switchport mode access
switchport port-security
switchport port-security maximum 2
switchport port-security mac-address 0002.0002.0002
switchport port-security violation shutdown

When you enable port security on an interface that is also configured with a voice VLAN, what is the maximum number of secure MAC addresses that should be set on the port?