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单选题
In PIM-SM operations， the first router connected to the multicast source sends the Register message towhich device？（）
A
Multicast source
B
Multicast receiver
C
RP
D
RP mapping agent
E
Designated Router （DR）
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Which three IP multicast group concepts are true?()
A. If a packet is sent to a multicast group address, the multicast frame contains the source multicast address.B. A router does not have to be a member of a multicast group to recei ve multicast data.C. A router must be a member of a multicast group to send to the group.D. A router does not have to be a member of a multicast group to send to the group.E. If a packet is sent to a multicast group address, all members of the multic ast group will receive it.F. A router must be a member of a multicast group to receive multicast data.
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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
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Which two statements are true about the rendezvous poin t (RP) in a multicast network?()
A. The multicast sources must register with the RP to form the multicast distribution tree.B. 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 tree.D. An RP is required only in networks running Protocol Independent Multicast sparse mode (PIM SM).E. An RP is required only in networks running Protocol 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.
考题
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
考题
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
考题
Which of the following statements is correct regarding PIM Sparse Mode operations？（）A、It does not support all underlying unicast routing protocols like GBPB、It supports shared trees only assuming all hosts want the multicast trafficC、Receivers are registered with RP by their first-hop routerD、Receivers are joinedto the Shared Tree（rooted the rp ）by their local Designated Router（DR）E、From the RP，traffic flows down a Source Tree to each receiver
考题
Which three IP multicast group concepts are true?（）A、If a packet is sent to a multicast group address, the multicast frame contains the source multicast address.B、A router does not have to be a member of a multicast group to receive multicast data.C、A router must be a member of a multicast group to send to the group.D、A router does not have to be a member of a multicast group to send to the group.E、If a packet is sent to a multicast group address, all members of the multicast group will rece ive it.F、A router must be a member of a multicast group to receive multicast data.
考题
In PIM-SM what control plane signaling must a multicast source perform before it begins to send multicasttraffic to a group？（）A、The source must send a PIM Register message to the rendezvous point （RP）.B、The source must first join the multicast group using IGMP before sending.C、The source must perform a Request to Send （RTS） and Clear to Send （CTS） handshake with the PIM designated router （DR）.D、No control plane signaling needs to be performed； the source can simply begin sending on the local subnet.
考题
In PIM-SM operations， the first router connected to the multicast source sends the Register message towhich device？（）A、Multicast sourceB、Multicast receiverC、RPD、RP mapping agentE、Designated Router （DR）
考题
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
考题
Which two of these multicast deployments are most susceptible to attacks from unknown sources？（）A、 ASMB、 BiDir PIMC、 PIM-SM RPD、 RP-SwitchoverE、 Source Specific Multicast
考题
Which statement about PIM sparse mode operations is true？（）A、It does not support all underlying unicast routing protocols like BGPB、Receivers are registered with RP by their first hop routerC、From the RP， traffic flows down a source tree to each receiver.D、It supports shared trees only， and assumes all hosts want the multicast trafficE、Receivers are joined to the shared tree by their local designated router
考题
In PIM-SM what control plane signaling must a multicast source perform before it begins to send multicast traffic to a group？（）A、The source must send a PIM Register message to the rendezvous point （RP）B、The source must first join the multicast group using IGMP before sendingC、The source must perform a Request to Send （RTS） and Clear to Send （CTS） handshake with the PIM designated router （DR）D、No control plane signaling needs to be performed；the source can simply begin sending on the local subnet
考题
In PIM-SM operations，to which device does the first router that connects with the multicast source sendthe register message？（）A、RPB、multicast sourceC、IGMP routerD、multicast receiverE、PIM designated router
考题
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
考题
Which of these statements about PIM join messages in classic PIM-SM is correct？（）A、PIM join messages are sent every 60 seconds to refresh the upstream router’s mroute state for the multicast tree.B、Routers send a PIM join acknowledgement in response to each PIM join message received from a downstream router.C、PIM join messages are only sent when the multicast distribution tree is first being established.D、PIM join messages are sent every three minutes to refresh the upstream router’s mroute state for the multicast tree.
考题
Which three IP multicast group concepts are true？ （Choose three.） （）A、 If a packet is sent to a multicast group address， all members of the multicast group will receive itB、 If a packet is sent to a multicast group address， the multicast frame contains the source multicast addressC、 A router does not have to be a member of a multicast group to receive multicast data.D、 A router does not have to be a member of a multicast group to send to the group.E、 A router must be a member of a multicast group to receive multicast data.F、 A router must be a member of a multicast group to send to the group.
考题
Which two statements are true about the rendezvo us point (RP) in a multicast network?（）A、The multicast sources must register with the RP to form the multicast distribution tree.B、An RP is required only in networks running Protocol Independent Multicast dense mode (PIM DM).C、The mu lticast receivers must register with the RP to form the multicast distribution tree.D、An RP is required only in networks running Protocol Independent Multicast sparse mode (PIM SM).E、An RP is required only in networks running Protocol Independent Mu lticast sparse - dense mode (PIM - SDM).F、To form the multicast distribution tree, the multicast sources register with and the receivers join the RP.
考题
单选题Which statement about PIM sparse mode operations is true？（）A
It does not support all underlying unicast routing protocols like BGPB
Receivers are registered with RP by their first hop routerC
From the RP， traffic flows down a source tree to each receiver.D
It supports shared trees only， and assumes all hosts want the multicast trafficE
Receivers are joined to the shared tree by their local designated router
考题
单选题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
考题
多选题Which three IP multicast group concepts are true?（）AIf a packet is sent to a multicast group address, the multicast frame contains the source multicast address.BA router does not have to be a member of a multicast group to recei ve multicast data.CA router must be a member of a multicast group to send to the group.DA router does not have to be a member of a multicast group to send to the group.EIf a packet is sent to a multicast group address, all members of the multic ast group will receive it.FA router must be a member of a multicast group to receive multicast data.
考题
单选题Which of these statements about PIM join messages in classic PIM-SM is correct？（）A
PIM join messages are sent every 60 seconds to refresh the upstream router’s mroute state for the multicast tree.B
Routers send a PIM join acknowledgement in response to each PIM join message received from a downstream router.C
PIM join messages are only sent when the multicast distribution tree is first being established.D
PIM join messages are sent every three minutes to refresh the upstream router’s mroute state for the multicast tree.
考题
单选题In PIM-SM operations，to which device does the first router that connects with the multicast source sendthe register message？（）A
RPB
multicast sourceC
IGMP routerD
multicast receiverE
PIM designated router
考题
单选题In PIM-SM what control plane signaling must a multicast source perform before it begins to send multicast traffic to a group？（）A
The source must send a PIM Register message to the rendezvous point （RP）B
The source must first join the multicast group using IGMP before sendingC
The source must perform a Request to Send （RTS） and Clear to Send （CTS） handshake with the PIM designated router （DR）D
No control plane signaling needs to be performed；the source can simply begin sending on the local subnet
考题
多选题Which three IP multicast group concepts are true?（）AIf a packet is sent to a multicast group address, the multicast frame contains the source multicast address.BA router does not have to be a member of a multicast group to receive multicast data.CA router must be a member of a multicast group to send to the group.DA router does not have to be a member of a multicast group to send to the group.EIf a packet is sent to a multicast group address, all members of the multicast group will rece ive it.FA router must be a member of a multicast group to receive multicast data.
考题
单选题Which of the following statements is correct regarding PIM Sparse Mode operations？（）A
It does not support all underlying unicast routing protocols like GBPB
It supports shared trees only assuming all hosts want the multicast trafficC
Receivers are registered with RP by their first-hop routerD
Receivers are joinedto the Shared Tree（rooted the rp ）by their local Designated Router（DR）E
From the RP，traffic flows down a Source Tree to each receiver
考题
单选题In PIM-SM what control plane signaling must a multicast source perform before it begins to send multicasttraffic to a group？（）A
The source must send a PIM Register message to the rendezvous point （RP）.B
The source must first join the multicast group using IGMP before sending.C
The source must perform a Request to Send （RTS） and Clear to Send （CTS） handshake with the PIM designated router （DR）.D
No control plane signaling needs to be performed； the source can simply begin sending on the local subnet.
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