Network administrator A needs to permit or deny some specific routes, but administrator A is not proficient in configuration. Please help administrator A to sort the configurations reasonably so that the device can permit or deny specific routes as required in the figure.

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Which of the following is not a hardware preparation for cutover?

• A.Device version check
• B.Cable Continuity Test
• C.Power-on test
• D.Test the operation of the board

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As shown in the figure, to enable the traffic between Site1 and Site2 to pass through the Hub-CE, VPN instances on two Spoke-PEs have been configured. Two VPN instances need to be created on the Hub-PE. The instance VPN in is used to receive routes from Spoke-PE, and the instance VPN out is used to advertise routes to Spoke-PE. Please select Import RT and Export RT for these two instances respectively. .

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Man-in-the-middle attacks or IP/MAC Spooping attacks can lead to information leakage and other hazards, and are more common in the intranet. To prevent man-in-the-middle attacks or IP/MAC Spooping attacks, which of the following configuration methods can be taken.

• A.Configure DHCP Snooping on the switch to associate with DAI or IPSG
• B.Limit the maximum number of MAC addresses that can be learned on the switch interface
• C.Configure the Trusted/Untrusted interface
• D.Enable DHCP Snooping to check the function of CHADDR field in the DHCP REQUEST message

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According to this figure, it can be known that in VLAN 300, on 2020-06-04, from 17:22:38 to 17:22:44, how many MAC flaps does the 00e0-fc3d-3bdb have?

• A.5
• B.300
• C.1
• D.65535

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