问答题In a run sparse-dense-mode multicast network， when rendezvous point down ， will the recipient receive the packets send by the source？why？
问答题
In a run sparse-dense-mode multicast network， when rendezvous point down ， will the recipient receive the packets send by the source？why？
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Refer to the exhibit. IP multicast for group address 224.1.1.1 has been enabled on all router s in the network. Hosts on Network A receive the multicast traffic. However, hosts on Network B do not. On the basis of outputs provided, what could be the cause of the problem? （）A. The route to 224.69.15.0/24 will be out Ethernet 0B. The reverse path forwarding (RPF) for the route 224.2.0.1 failed to find the interface on which the multicast packet was rece ivedC. Multicast route to 224.69.15.0/24 was added to the mroute table and created by a source directly connected to the routerD. Multicast route to 10.16.0.0/16 was added to the mroute table and created by a source directly connected to the routerE. This router received an IGMP host report from a group member or a PIM join message
What is an important step to take when verifying a newly proposed network security solution？ （）A、Test the design on a pilot network for expected results prior to implementing on the production network.B、Run a network audit to determine types of traffic in use on the network.C、Launch campus updates into the production network and monitor impact to see if configuration changes are needed.D、Create an interruption of data flow to determine test "back-door" access methods.
When designing the Network Admission Control （NAC） Appliance for the Enterprise Campus Network， which of the following requirements would help the designer to narrow down the NAC choices， from Virtual Gateway to Real IP Gateway， or from In-band to Out-band？（）A、 QoS ToS/DSCP values are required to be forwarded transparentlyB、 Device redundancy is requiredC、 Per-user ACL support is requiredD、 Multicast service support is required
Which two statements are tru e about the rendezvous point (RP) in a multicast network?（）A、The multicast sources must register with the RP to form the multicast distribution treeB、An RP is required only in networks running Protocol Independent Multicast dense mode ( PIM DM)C、The multicast receivers must register with the RP to form the multicast distribution treeD、An RP is required only in networks running Protocol Independent Multicast sparse mode (PIM SM)E、An RP is required only in networks running Pro tocol Independent Multicast sparse - dense mode (PIM - SDM)F、To form the multicast distribution tree, the multicast sources register with and the receivers join the RP
Which two restrictions must the Enterprise Campus network designer consider when evaluatingWAN connectivity options？ （）A、 OSPF over multicast EMS or VPLS network may not have consistent broadcast or multicastperformanceB、 IP multicast is not supported over Lover 3 MPLS VPN； instead a Layer 2 MPLS WN must beutilized with service provider supportC、 QoS requirements with MPLS-VPN must be implemented by the service providerD、 Hierarchical VPLS designs are the least scalableE、 IGMP snooping is not on option with VPLS or EMS； instead administrative scoping or allowingsufficient bandwidth for unnecessary multicast traffic at the edge links is required
Multicast is being deployed in the network， and only ip pim sparse-dense mode has been configured on all interfaces in the network to support a new video streaming application. No other multicast configuration was applied anywhere in the network. Since enabling multicast， the network monitoring tools show periodic spikes in link utilization throughout the network， even in areas where the video application is not being used. What could be a possible cause？（）A、PIM sparse mode is being used.B、PIM dense mode is being used.C、The BGP multicast address family has not been configured.D、IGMP version 3 is being used.E、IP PIM neighbor filters have not been applied.
In a run sparse-dense-mode multicast network， when rendezvous point down ， will the recipient receive the packets send by the source？why？
What is the purpose of a rendezvous point (RP)?（）A、acts as a meeting place for sources and receivers of multicast trafficB、used in PIM dense m ode to create a database of all multicast sourcesC、used in PIM dense and sparse mode to create a database of all multicast sourcesD、acts as the designated router for a broadcast segment when multicast routing is enabled
Which three statements are true about Source Specific Multicast？（）A、Is best suited for applications that are in the one-to-many category.B、SSM uses shortest path trees only.C、The use of SSM is recommended when there are many sources and it is desirable to keep the amount of mroute state in the routers in the network to a.D、There are no RPs to worry about.
Which two of these are characteristics of multicast routing？ （）A、 multicast routing uses RPFB、 multicast routing is connectionless.C、 In multicast routing， the source of a packet is known.D、 When network topologies change， multicast distribution trees are not rebuilt， but use the originalpathE、 Multicast routing is much like unicast routing， with the only difference being that it has a a groupof receivers rather than just one destination
Which three IP multicast related statements are true？ （Choose three.） （）A、 Multicast addresses 224.0.1.0 through 238.255.255.255 are called globally scoped addresses. They are used to multicast data between organizations and across the InternetB、 The multicast address 224.0.0.1 is a globally scoped address that has been reserved for the Network Time Protocol （NTP） by the IANAC、 Multicast addresses 239.0.0.0 through 239.255.255.255 are called limited scope addresses. They are constrained to a local group or organizationD、 Multicast addresses 224.0.0.5 and 224.0.0.6 are limited scoped addresses that have been reserved for OSPFE、 Multicast addresses 224.0.0.0 through 224.0.0.255 are used for network protocols on local LAN segments. Because they are always transmitted with a Time to Live （TTL） of 1， they are never forwarded by a router
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多选题Which two restrictions must the Enterprise Campus network designer consider when evaluatingWAN connectivity options？ （）AOSPF over multicast EMS or VPLS network may not have consistent broadcast or multicastperformanceBIP multicast is not supported over Lover 3 MPLS VPN； instead a Layer 2 MPLS WN must beutilized with service provider supportCQoS requirements with MPLS-VPN must be implemented by the service providerDHierarchical VPLS designs are the least scalableEIGMP snooping is not on option with VPLS or EMS； instead administrative scoping or allowingsufficient bandwidth for unnecessary multicast traffic at the edge links is required
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问答题In a run sparse-dense-mode multicast network， when rendezvous point down ， will the recipient receive the packets send by the source？why？