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| Q. |
Which of the following is an example of data-link layer vulnerability? |
| A. | physical theft of data |
| B. | vlan circumvention |
| C. | route spoofing |
| D. | weak or non-existent authentication |
| Answer» B. vlan circumvention | |
| Explanation: vlan circumvention is an example of data-link layer vulnerability. mac address spoofing, as well as switches, may be forced for flooding traffic to all vlan ports are some other examples of data-link layer vulnerability. | |
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