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JN0-303 问题列表
问题
单选题What is the optimize timer on an RSVP-signaled Label-Switched Path （LSP）？（）A
the time it takes to identify the optimal path for the LSPB
the interval at which the ingress router recalculates the LSP’s pathC
the time the ingress router takes to establish the primary pathD
the maximum number of times the ingress router tries to establish the primary path
问题
单选题You want to suppress advertisement of all routes within the 200.200.0.0/16 range to your OSPF neighbors in other areas. Which configuration accomplishes this goal？（）A
[edit protocols ospf area area-id] area-range200.200.0.0/16 discard；B
[edit protocols ospf area area-id] area-range200.200.0.0/16 restrict；C
[edit protocols ospf area area-id] area-range200.200.0.0/16 no-summary；D
[edit protocols ospf area area-id] area-range200.200.0.0/16 suppress；
问题
单选题Given the two AS path regular expressions： "65000+ （65001|65002）" "65000+ （65001|65002）{0，}" Which AS path matches both expressions？（）A
65000 65001 65002B
65000 65002C
65001 65000D
65001 65002
问题
单选题In BGP graceful restart， how does a peer router indicate the end of a route exchange？（）A
An open message with the E bit set.B
An update message with the E bit set.C
An open message with an end-of-RIB marker.D
An update message with an end-of-RIB marker.
问题
多选题Which two multicast groups support Auto-RP mapping and discovery？（）A224.0.0.39B224.0.1.39C224.0.0.40D224.0.1.40
问题
单选题Routers A and B have an OC12c and a GE link between them and are running OSPF over both of these links.Which item is correct， assuming the default JUNOS software OSPF metric calculation？（）A
There are two equal cost paths between A and BB
The GE link is the preferred path between A and BC
The OC12c link is the preferred path between A and BD
Manual metric assignment must be configured to determine the outcome.
问题
多选题What are two characteristics of multi-filed classification？（）AImplemented with firewall filters.BTypically configured on core routers.CTypically configured on customer facing routers.DImplemented with Behavior Aggregate （BA） classification.
问题
多选题Which three authentication options does OSPF support？（）ADESBMD5CKerberosDUnauthenticatedESimple password
问题
单选题In JUNOS software， which would prevent an OSPF router from importing the 10.0.0.4/30 summary route？（）A
Import policies are not allowed， so this is not possible.B
Export policies are not allowed， so this not possible.C
Apply a firewall filter matching 10.0.0./4/30 and reject the route.D
Apply an import policy matching 10.0.0.4/30 and reject the route.
问题
单选题What is the administrative scoping address range associated with global scope？（）A
224.0.0.0/24B
239.128.0.0/10C
239.192.0.0/14D
224.0.1.0/38.255.255.255
问题
单选题Which condition must be met to allow a PE router to forward VPN traffic across a LSP in a Layer 3 VPN environment？（）A
The BGP next hop must be in inet.1.B
The BGP next hop must be in inet.3.C
Must have a bidirectional LSP configured.D
Must have a static route to allow an RP for connected interfaces.
问题
单选题In JUNOS software， which is the only BGP attribute where a higher value is preferred？（）A
MEDB
OriginC
WeightD
PreferenceE
Local preference
问题
多选题Which three attributes are advertised to the remote PE and BGP-based VPNs？（）ACircuit IDBVPN labelCRoute targetDVPN numberERoute distinguisher
问题
多选题What are two functions associated with JUNOS software class of service？（）ALog incoming traffic.BManage ingress bandwidth.CMark packets for special handling.DManage congestion by intelligently dropping traffic.EClassify Frame Relay QoS packets into an equivalent OP CoS environment.