單項選擇題

Which feature would prevent guest users from gaining network access by unplugging an IP phone and connecting a laptop computer？（）

A.IPSec VPN
B.SSL VPN
C.port security
D.port security with statically configured MAC addresses
E.private VLANs

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多項選擇題

Your network is suffering from regular outages. After troubleshooting， you learn that the transmit lead of a fiber uplink was damaged. Which two features can prevent the same issues in the future？（）

A.root guard
B.loop guard
C.BPDU guard
D.UDLD
E.BPDU skew detection

單項選擇題

While you are troubleshooting network performance issues， you notice that a switch is periodically flooding all unicast traffic. Further investigation reveals that periodically the switch is also having spikes in CPU utilization， causing the MAC address table to be flushed and relearned. What is the most likely cause of this issue？（）

A.a routing protocol that is flooding updates
B.a flapping port that is generating BPDUs with the TCN bit set
C.STP is not running on the switch
D.a user that is downloading the output of the show-tech command
E.a corrupted switch CAM table

Which feature would prevent guest users from gaining network access by unplugging an IP phone and connecting a laptop computer？（）

你可能感興趣的試題

Your network is suffering from regular outages. After troubleshooting， you learn that the transmit lead of a fiber uplink was damaged. Which two features can prevent the same issues in the future？（）

Which feature would prevent guest users from gaining network access by unplugging an IP phone and connecting a laptop computer？（）

Your network is suffering from regular outages. After troubleshooting， you learn that the transmit lead of a fiber uplink was damaged. Which two features can prevent the same issues in the future？（）