You are asked to secure the routing engine of all Junos devices in your design. The design should not affect transit traffic. Which action will accomplish this task?
A.
Use a firewall filter on a revenue port.
B.
Use a firewall filter on the loopback interface.
C.
Use a firewall filter on the fxp0 interfaces.
D.
Use a firewall filter on the management interface.
I believe the answer here should actually be D.
Granted, some devices do not have fxp0, some use me0 interfaces, but all of these are considered management interfaces as 1) you cannot send transit traffic over them & 2) they are directly connected to the control plane.
Someone please correct me if they have taken the exam lately and this is not as expected for this test.
loopback are link to RE wherever traffic coming to the device
upvoted 1 times
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rodobrian
4 years, 9 months agoplx
4 years, 8 months ago