813题目跪求正确答案

culiuzu

813有3个题目一样，答案却不一样，哪个是正确答案啊，跪求正确答案，谢谢~！

What two steps can be taken to help prevent VLAN hopping? (Choose two.)
A. Place unused ports in a common unrouted VLAN.
B. Enable BPD guard.
C. Implement port security.
D. Prevent automatic trunk configurations.
E. Disable CDP on ports where it is not necessary.
Answer: AE

You want to enhance the security within the TestKing LAN and prevent VLAN hopping. What two steps can
be taken to help prevent this? (Select two)
A. Enable BPD guard
B. Disable CDP on ports where it is not necessary
C. Place unused ports in a common unrouted VLAN
D. Prevent automatic trunk configuration
E. Implement port security
Answer: CD

QUESTION 308
Wireless has been operating correctly in the campus infrastructure. After the wireless controllers are
upgraded from LWAPP to CAPWAP, access points no longer boot and operate normally. What is the most
likely issue causing this problem?
A. VLAN assignments
B. DHCP option 43
C. PoE
D. ACL
E. QoS
QUESTION308 ： v496Q是选C，v200却选C啊；答案是选D还是C

晓__天

308肯定是 选POE 的 前2道 我也不知道 我后天考试 纠结。~

晓__天

个人感觉 防止 VLAN 的跳跃攻击 禁DTP FRAME 或者是 将端口放到一个 UNROUTED 的VLAN 里是比较现实的，用 no cdp run能 禁止 协商成TRUCK 吗？ 我也 求解释