Which multicast mode does Auto-R

题目

Which multicast mode does Auto-RP require?()

  • A、Link-mode
  • B、Dense mode
  • C、Sparse mode
  • D、Sparse-dense mode
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相似问题和答案

第1题:

When building an IP multicast domain using PIM which mode assumes that other routers do not want to forward multicast packets for the group?()

A. PIM - DM

B. PIM - SM

C. PIM - RP

D. CGMP

E. IGMP snooping


参考答案:B

第2题:

When building an IP multicast domain using PIM which mode assumes  that other routers do not want to forward multicast packets for the group?()

  • A、PIM - DM
  • B、PIM - SM
  • C、PIM - RP
  • D、CGMP
  • E、IGMP snooping

正确答案:B

第3题:

Which multicast mode does Auto-RP require?()

A. Link-mode

B. Dense mode

C. Sparse mode

D. Sparse-dense mode


参考答案:D

第4题:

Which statement about PIM sparse mode operations is true?()

  • A、It does not support all underlying unicast routing protocols like BGP
  • B、Receivers are registered with RP by their first hop router
  • C、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 traffic
  • E、Receivers are joined to the shared tree by their local designated router

正确答案:E

第5题:

Which three statements best describe multicast operation on Cisco Nexus switches in a data center?()

  • A、 Cisco NX-OS Software does not support PIM dense mode.
  • B、 The command ip multicast-routing must be enabled in Cisco NX-OS Software before any multicast configuration is possible on the switch.
  • C、 PIM CLI configuration and verification commands are not available until you enable the PIM feature with the feature pim command.
  • D、 Cisco NX-OS Software supports multicast routing per Layer 3 VRF instance.
  • E、 The default PIM operational mode on the Cisco Nexus 7000 switch is SSM.

正确答案:A,C,D

第6题:

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.

正确答案:D,F

第7题:

Which three statements are true about IP multicast configuration?()

  • A、PIM sparse - dense mode and PIM dense mode require an RP on the network.
  • B、PIM sparse mode and PIM dense mode require an RP on the network.
  • C、PIM sparse mode interfaces are always added to the multicast routing table in a router.
  • D、PIM sparse mode and PIM sparse - dense mode require an RP on the network.
  • E、PIM dense mode interfaces are always added to the multicast routing table in a router.
  • F、PIM sparse - dense mode acts as PIM dense mode if an RP is not known.

正确答案:D,E,F

第8题:

Which two multicast protocol statements are true?()

A. Sparse mode multicast uses a pull model to send multicast traffic to where it is requested

B. Dense mode multicast uses a push model to flood traffic throughout the network and then prunes the unwanted traffic

C. Dense mode multicast requires explicit join messa ges from their members

D. Sparse mode uses reverse path forwarding (RPF) to prune off redundant flows

E. The primary use of sparse mode multicast is for test labs and router performance testing


参考答案:A, B

第9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 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 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

正确答案:D,F

第10题:

In PIM-SM operations,to which device does the first router that connects with the multicast source sendthe register message?()

  • A、RP
  • B、multicast source
  • C、IGMP router
  • D、multicast receiver
  • E、PIM designated router

正确答案:A

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