问题：Which two multicast groups support Auto-RP mapping and discovery?（）A、224.0.0.39B、224.0.1.39C、224.0.0.40D、224.0.1.40
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问题：In which three ways are C-BGP and E-BGP sessions similar?（）A、Both are configured as type external.B、Both configurations use the peer-as command.C、Neither advertises the local-preference attribute.D、Both set next-hop self when advertising routes to peers.E、Both modify the AS-path attribute when advertising routes.
问题：What is one function of MBGP?（）A、extending IPSec tunnelsB、carrying multiple address familiesC、propagating DVMRP routing informationD、extending Autonomous System GRE tunnels
问题：Which statement is true regarding an Ethernet collision domain?（）A、If a router is used, the collision domain includes all devices connected to the routerB、If a hub is used, the colision domain is limited to each device and the hubC、If a switch is used, the collision domain is limited to each device and the switchD、If a bridge is used, the collision domain includes all devices connected to the bridge
问题：Which CLI command copies a file called 4-0-0.rel from FTP server userpc to the router？（）A、get 4-0-0.rel userpc：4-0-0.relB、get userpc：4-0-0.re l4-0-0.relC、copy 4-0-0.rel userpc：4-0-0.relD、copy userpc：4-0-0.rel 4-0-0.rel
问题：You have been asked to use a 23-bit network mask to segment the network block 209.18.12.0. How many usable host addresses will there be per subnet?（）A、510B、1022C、2046D、8190
问题： Given the following MPLS L2 configuration command: mpls-relay 10.1.1.1 4 Which two statements true? （）(Choose two.)A、This command is applied to the core router facing interface.B、This command is applied to the customer facing interface.C、The 4 is locally significant and identifies the layer 2 circuit.D、The 4 must match exactly on the peer router configuration on the remote end.
问题：Which two statements apply when a user has entered private configuration mode by typing configure private? （）A、All users have their own active configurationB、All users have their own private candidate configurationC、When a user commits, all nonconflicting changes made by all users are commitedD、When a user commits, only the user's own changes are commited
问题：The auto-complete feature in the JUNOS CLI is triggered by which method?（）A、space bar for both command and variable completionB、space bar for command completion；tab key for variable completionC、space bar for variable completion；tab key for command completionD、tab key for variable and command completion；space bar for command completion
问题：Which zone is a system-defined zone？（）A、null zoneB、trust zoneC、untrust zoneD、management zone
问题：Which three NLRIs can MBGP carry? （）A、LDP routesB、IPv6 routesC、RSVP routesD、Layer 2 VPN routesE、Layer 3 VPN routes
问题：Which statement is correct about policies in the Junos OS?（）A、Export policies are used to filter routes from the RE forwarding table to the PFE forwarding table.B、Export policies are used to filter routes destined for the routing table.C、Export policies are used to filter routes being sent to neighboring devices.D、Export policies are used to filter traffic leaving the device.
问题：Which statement is true about terms in a policy?（）A、A single term can be applied to a protocol or interface, independent of the policy.B、Once configured, terms within a policy cannot be reordered.C、The name of a term is limited to five characters.D、A from statement is optional in a term.
问题：Which operational command allows a user to view the exhaust temperatures of a Juniper device?（）A、show chassis stateB、file list alarmC、show chassis alarmsD、show chassis environment
问题：Which statement is true about "sticky" load balancing for Clusters? （）A、The "clientip" setting does not apply to clusters, it only pertains to a Forwarder.B、When set to "clientip" it uses the client's IP address to bind the client to a particular target server.C、When set to "clientip" it allows a DX sticky cookie to be sent to and stored by the client based on the IP address.D、When set to "clientip" it ensures that all subsequent requests are directed to the same client that made the initial request.
问题：What is true when designing OSPF import routing policy in JUNOS software?（）A、Import policies are not possible.B、Import policies only match on external routes.C、Import policies only match on internal routes.D、Import policies can cause inconsistent link state databases.
问题：What is the proper command to create a DHCP address pool?（）A、ip local-poolB、ip local poolC、ip dhcp local poolD、ip dhcp-local pool
问题：Firewall filter policers can perform which two actions?（）A、Set the next hop.B、Discard packets.C、Set loss priority.D、Sample packet content.
问题：Which two statements about the use of SCREEN options are correct？（）A、SCREEN options are deployed at the ingress and egress sides of a packet flow.B、Although SCREEN options are very useful， their use can result in more session creation.C、SCREEN options offer protection against various attacks at the ingress zone of a packet flow.D、SCREEN options examine traffic prior to policy processing， thereby resulting in fewer resouces used formalicious packet processing.
问题：In a PPP over ATM environment,which two PPP authentication methods are supported by the ERX Edge Router?（）A、IKEB、PAPC、CHAPD、MSCHAP
