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多选题
What are three applications for firewall filters in JUNOS software？（）
A
route filtering
B
protect the routing engine
C
securing the router control plane
D
protect against hidden bridge loops
E
protect against denial of service attacks
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单选题Which method of dynamic RP election is non-proprietary？（）A
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单选题Which BGP attribute is considered first as a tie-breaker in JUNOS software？（）A
MEDB
originC
weightD
as-path lengthE
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单选题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-ospfB
reject-allC
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考题
单选题What is the correct virtual link configuration on an OSPF router？（）A
area 0.0.0.0{ linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}B
area 0.0.0.0{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}C
area 0.0.0.1{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}D
area 0.0.2.1{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.0.0；}
考题
单选题Which action occurs when the BGP route 20.1.0.0/16 is evaluated by the policy expression？（） [editpolicy-options] policy-statementmy-filter { term-first{ from{ route-filter192.168.0.0/16orlongeraccept； route-filter 192.168.1.0/24 exact accept； route-filter 192.168.2.0/24 exact； } 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 BGPB
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.
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