单项选择题
In the IS-IS Designated Intermediate System （DIS） election process， which criteria is used for DIS selection？（）
A.highest router ID first， then highest priority
B.highest MAC address first， then highest priority
C.highest router ID first， then highest MAC address
D.highest priority first， then highest router ID
E.highest priority first， then highest MAC address
相关考题
-
单项选择题
WhichstatementaboutRemotelyTriggeredBlackHole（RTBH）istrue？（）
A.Route tagging is one of the techniques used by RTBH
B.It is used for BGP authentication
C.It cannot work with static routes
D.It uses extended ACLs for blocking attacks by creating a black hole
E.Before configuring RTBH LDP must be enabled on the interface -
单项选择题
WhatisoneoftheprimaryoverheadfieldsassociatedwiththeOpticalPayloadUnit（OPU）？（）
A.path monitoring
B.tandem connection monitoring activation deactivation （TCM ACT）
C.Payload Structure Identifier （PSI）
D.multiframe alignment signal （MFAS）
E.section monitoring -
单项选择题
WhichstatementaboutMPLStrafficengineeringpolicy-basedtunnelselection（PBTS）isnottrue？（）
A.The tunnel that is not configured with the policy-class command acts as the default
B.EXP selection is between multiple tunnels to the same destination
C.There is no requirement for IGP extensions
D.Tunnels are configured using the policy-class command and carry multiple EXP values
E.It supports VRF traffic， IP-to-MPLS switching， and MPLS-to-MPLS switching
