单项选择题
The show ip ospf database external command displays information about which OSPF LSA type？（）
A.LSA type 1
B.LSA type 2
C.LSA type 7
D.LSA type 3
E.LSA type 9
F.LSA type 5
相关考题
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单项选择题
WhatistheencapsulationmodeforMPLSrunningonEthernet？（）
A.Packet mode
B.Frame mode
C.Transparent mode
D.Channel mode
E.Tunnel mode -
单项选择题
Whatistheactionof"pop"inthecontextofMPLSswitching？（）
A.It removes the top label in the MPLS label stack.
B.It adds a top label in MPLS label stack.
C.It replaces the top label in the MPLS label stack with another value.
D.It replaces the top label in the MPLS label stack with a set of labels.
E.None of above. -
单项选择题
InwhichofthefollowinglistsofAPSActionRequestsistheprioritycorrectlyarrangedfromlowesttohighest？（）
A.Wait-to-Restore，Forced Switch，Manual Switch，Lockout of Protection
B.Manual Switch，Wait-to-Restore，Lockout of Protection，Forced Switch
C.Lockout of Protection，Forced Switch， Manual Switch，Wait-to-Restore
D.Lockout of Protection，Manual Switch， Forced Switch，Wait-to-Restore
E.Wait-to-Restore，Manual Switch，Forced Switch，Lockout of Protection
F.Wait-to-Restore，Manual Switch，Lockout of Protection，Forced Switch
