单选题Where is the IS-IS Network Entity Title configured?（）Aper IP interfaceBper virtual routerConly on LAN interfacesDonly on WAN interfaces
单选题
Where is the IS-IS Network Entity Title configured?（）
A
per IP interface
B
per virtual router
C
only on LAN interfaces
D
only on WAN interfaces
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is a network layer device that supports multiple LAN interfaces and segments LANs into smaller collision and broadcast domains.A．RepeaterB．RouterC．BridgeD．Switch
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