Which action occurs when the policy main-policy evaluates the BGP route 10.0.55.2/32？（）
[edit policy-options] 
policy-statement test {
from { 
route-filter10.0.0.016/orlongeraccept； 
route-filter10.0.67.0/24orlangerreject； 
route-filter10.0.0.0/8orlanger； 
} 
then { 
metric10； 
community add no-advertise； 
accept； 
} 
} 
policy-statement main-policy { 
term only-want-certain-routes { 
from { 
policytest； 
} 
then { 
communityadd harry-402； 
accept； 
} 
} 
} 
communityno advertise members no-advertise； 
communityharry-402 members 666：402； 
[edit protocols] 
bgp { 
exportmain-policy； }

多项选择题WhichthreeNRIscanMBGPcarry？（）

A.LDP routes
B.IPv6 routes
C.RSVP routes
D.Layer 2 VPN routes
E.Layer 3 VPN routes

单项选择题WhichcommandclearsthehistoryBGPdampedroutes？（）

A.clear bgp damping
B.clear bgp neighbor
C.clear bgp neighbor damp
D.clear protocol bgp damp

多项选择题Whichthreearewell-knownmandatoryBGPattributes？（）

A.Origin
B.As path
C.Next hop
D.Community
E.Multiple exit discriminator

单项选择题WhichattributecaninfluenceinboundtrafficflowsfromaneighboringAS？（）

A.Aggregator
B.Local preference
C.Atomic aggregate
D.Multiple exit discriminator

单项选择题WhichBGPattributeisconsideredfirstasatie-breakerinJUNOSsoftware？（）

A.MED
B.origin
C.weight
D.as-path length
E.local-preference