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多选题
Which of the following is a correct IP ACL? (Select TWO)（）
A
PERMIT 192.268.20.1
B
DROP 00-12-34-56-78-9A
C
DENYO:::0:::0:::3
D
DENY ANY ANY
E
PERMIT 192.168 1.100 80
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Which of the following is a correct IP ACL? (Select TWO)()
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多选题Which of the following is a correct IP ACL? (Select TWO)（）APERMIT 192.268.20.1BDROP 00-12-34-56-78-9ACDENYO:::0:::0:::3DDENY ANY ANYEPERMIT 192.168 1.100 80
考题
单选题An administrator is troubleshooting a communication issue between two computers on the same Layer 2 switch. Which of the following is the BEST way to determine if the switch is causing the issue?（）A
Setup an ACL that allows and logs all IP traffic between the two computersB
Configure a spanning tree to check for a loopC
Setup a span port on the switch to watch for CRC errorsD
Connect both computers using a crossover cable
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