问题：单选题What is the highest (strongest) priority that can be set on an LSP in JUNOS software?（）A 0B 7C 64D 255
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问题：单选题What is the use of MSDP across multiple PIM domains?（）A It scopes multicast traffic.B It prevents multicast routing loops.C It advertises active multicast sources.D It advertises RPs to all downstream routers.
问题：多选题What are two attributes of the Extended IS-Reachability TLV 22?（）Asystem-IDBband-widthCwide-metricsDauthentication
问题：单选题A Candidate RP receives a bootstrap message with a higher priority than its own. What happens?（）A Use highest IP address as BSR.B Reset the bootstrap timer and continue to listen.C Forward all traffic to the bootstrap message originator.D Declare self as BSR and send bootstrap messages every 60 seconds.
问题：多选题Which two statements are true when configuring a domain-id? （）AThe default OSPF domain-id is 127.0.0.1.BIn most cases, a domain-id must be configured.CIn most cases, you do not need to configure a domain-id.DFor a layer 3 VPN connecting multiple OSPF domains, configuring a domain-id can help control LSA translations.
问题：单选题For maintaining separate unicast and multicast forwarding topologies, where should MBGP multicast routes be placed?（）A inet.0B inet.1C inet.2D inet.4
问题：多选题Which two signaling protocols could be used in VPLS to advertise site information between PEs? （）AIKEBBGPCRSVPDLDP
问题：单选题Why does IS-IS use the SPF algorithm?（）A to determine the pseudonode IDB to determine the next hop to a given destinationC to determine the complete path to a given destinationD to determine the number of routers present in a given area
问题：单选题You have a Level 1-only router (Router A) in IS-IS area 49.0001. How does Router A learn how to get to IP prefixes in other areas?（）A Router A must have a Level 2 adjacency with the Level 1/Level 2 router in area 49.0001.B The Level 1/Level 2 router in area 49.0001 sets the attached bit in the Level 1 link-state PDU (LSP) it floods into area 49.0001.C The Level 1/Level 2 router in area 49.0001 sets the attached bit in the Level 2 LSP it floods into area 49.0001.D The Level 1/Level 2 router in area 49.0001 advertises these prefixes into area 49.0001 using a Level 2 LSP it floods into the area.
问题：单选题On what is the Martini control plane based?（）A IGPB LDPC BGPD RSVP
问题：多选题In the output of show isis adjacency, which three can be displayed under the attributes header? （）ANETBIS typeCoverloadDattachedEarea addresses
问题：多选题Which three authentication options does IS-IS support?（）AMD5BDESCKerberosDunauthenticatedEsimple password
问题：多选题What are three examples of a provider-provisioned VPN supported by JUNOS software? （）AL2FBPPTPCCircuit cross-connectDDraft-Martini-based VPNsEDraft-Kompella-based VPNs
问题：单选题Which multicast mode does Auto-RP require?（）A Link-modeB Dense modeC Sparse modeD Sparse-dense mode
问题：单选题OSPFv3 interarea-prefix-LSAs are most similar to which OSPFv2 LSA type?（）A Type 7 LSAsB Type 4 summary LSAsC Type 3 summary LSAsD Type 5 AS-external LSAs
问题：多选题Which three RP election mechanisms are available in a PIM-SM domain?（）AStaticBAuto-RPCDynamic-RPDBootstrap routerEAnycast-RP
问题：单选题What is one of the uses of MBGP routes?（）A DVMRP hold-time periodB Rendezvous point electionC reverse path forwarding checksD interdomain multicast next hops
问题：单选题Routers A and B are connected with a point-to-point OC-3 interface. Each routers OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in different areas. How many IS-IS adjacencies exist between the two routers?（）A 0B 1C 2D 3
问题：单选题What is the maximum metric value that can be reported in a narrow metric TLV?（）A 63B 64C 1023D 1024
问题：单选题In JUNOS software, which type of encapsulation is required on a PE router for the CE-facinginterface in a Martini-based VPN?（）A ATMB CCCC HDLCD Ethernet
