As shown in the following figure, all routers run OSPF. Which device is ABR? (Multiple choice)

• A.Router C
• B.Router A
• C.Router B
• D.Router D

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In the VRP system, the login timeout interval must be configured on the VTY interface.

• A.TRUE
• B.FALSE

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The Tracert diagnostic tool records the () of each ICMP TTL timeout message so that the user can be provided with the IP address of the packet when it arrives at the destination.

• A.Source port
• B.Destination port
• C.Destination IP address
• D.Source IP address

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A trunk interface allows frames from multiple VLANs including VLAN 4096.

• A.FALSE
• B.TRUE

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An ACL rule is as follows: Which of the following IP addresses can be matched by the permit rule? (Multiple Choice) Rule 5 permit ip source 10.1.1.0 255.0.254.255

• A.9.1.1.1
• B.7.1.2.1
• C.8.2.2.1
• D.6.1.3.1

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