A.firewall filters B.data encryption C.routing protocol authentication D.support for BGP path mtu discovery E.automatic discovery for IPSEC neighbors
单项选择题AsuccessfulauthenticationattemptbyaRADIUSserverdoesnotsupplyausernametotheJUNOSsoftware.Whichusernameisusedbydefault?()
A.root B.local C.radius D.remote
单项选择题A BGP router has the following configuration: protocols{ bgp{ export[policy-1 policy-2 policy-3]; }} policy-options{ policy-statementpolicy-2 { termget-statics{ fromprotocol static; thenaccept; } termreject-all { thenreject; } } policy-statementpolicy-1 { termget-aggregate { fromprotocol aggregate; thenaccept; } termreject-all { thenreject; } } policy-statementpolicy-3 { termget-ospf { fromprotocol ospf; thenaccept; } termreject-all { thenreject; } } } Which policy term is evaluated first when exporting routes?()
A.get-ospf B.reject-all C.get-statics D.get-aggregate
单项选择题Which action occurs when the BGP route 20.1.0.0 16 is evaluated by the policy expression?() [editpolicy-options] policy-statementreject_10 { from{ route-filter20.1.0.0 16orlongerM } then{ communityadd 90-1; accept }} policy-statementaccept_20 { from{ route-filter20.1.0.0 16orlongerM } then{ communityadd 100-1; reject; } } community100-1 members 100:1; community90-1 members 90:1 [editprotocols] bgp{ groupebgp-group { neighbor172.16.201.1 { export(reject-10 && accept-20); }}}
A.The route is not announced. B.The route is announced with 90:1 added. C.The route is announced with 100:1 added. D.The route is announced with communities 90:1 and 100:1 added.
单项选择题WhichactionoccurswhentheBGProute20.1.0.0 16isevaluatedbythepolicyexpression?() [editpolicy-options] policy-statementmy-filter{ term-first{ from{ route-filter192.168.0.0 16orlongeraccept; route-filter192.168.1.0 24exactaccept; route-filter192.168.2.0 24exact; } then{ metric10; accept; } termsecond{ then{ metric20; accept; }} policy-statementmain{ termchange-attributes from{ policymy-filter; } thenaccept; } termdefault{ thenreject; }} [editprotocols] bgp{ exportmain; }
A.The route is not advertised into BGP B.The route is advertised into BGP with metric 10. C.The route is advertised into BGP with metric 20. D.The route is advertised into BGP with default metric.
单项选择题ABGProutershouldusethreeexportpoliciesnamedadd-communities,no-rfc1918-routes,andrejected-unwanted.Whichexportstatementplacestheadd-communitiespolicyimmediatelybeforethedefaultBGPpolicy?()
A.export [add-communities no-rfc1918-routes ejected-unwanted]; B.export [no-rfc1918-routes add-communities rejected-unwanted]; C.export [add-communities rejected-unwanted no-rfc1918-routes]; D.export [no-rfc1918-routes rejected-unwanted add-communities];