2014 Latest Juniper JN0-643 Exam Demo Free Download!

QUESTION 1 Which command prevents Layer 2 loops if the switch stops receiving spanning-tree keepalives on port ge-1/0/1? A.    [edit protocols rstp] user@switch# show interface ge-1/0/1 {   bpdu-block; } B.    [edit protocols layer2-control] user@switch# show interface ge-1/0/1 {   bpdu-time-out-action {     block;     alarm;   } } C.    [edit protocols layer2-control] user@switch# show…

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