Multicast is being deployed in the network， and only ip pim sparse-dense mode has been configured on allinterfaces in the network to support a new video streaming application. No other multicast configuration wasapplied anywhere in the network. Since enab

题目

Multicast is being deployed in the network， and only ip pim sparse-dense mode has been configured on allinterfaces in the network to support a new video streaming application. No other multicast configuration wasapplied 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.
相似考题

1.A network technician is installing a new managed 10/100 Mbps switch on the network. The network has an older printer with a 10Mbps network adapter that will be moved to the new switch.Which of the following settings on the switch will need to be configured to support the printer?（）A. MAC filteringB. IP addressC. PoED. Port speed

2.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

3.Refer to the exhibit. All routers have Protocol Independent Multicast (PIM) enabled interfaces. On the basis of the configuration provided on routers R1 and R2, which router will take on the func tion of rendezvous point (RP) for the multicast network? （）A. both routers R1 and R2B. router R1C. router R2D. none of the routers since they are not configured with static RP

4.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.

更多“Multicast is being deployed in the network， and only ip pim sparse-dense mode has been configured on allinterfaces in the network to support a new video streaming application. No other multicast configuration wasapplied anywhere in the network. Since enab”相关问题

  • 第1题：

    Refer to the network of Layer 3 switches in the exhibit. The RPI Multi cast Server only multicasts to hosts connected to multilayer switches 5 and 6. The CMU Multicast Server multicasts to hosts on multilayer switches 1 - 6. Given the number of configuration steps involved, what is the most efficient way to configure the net work while meeting the requirements for multicast data flow? （）

    A. Configure each switch with PIM sparse mode and a separate instance of PIM dense mode.Specify switch 1 as the root for the RPI Multicast Server. Specify switch 2 as the root for the CMU Multicast Server.

    B. Configure each switch with PIM sparse mode and a separate instance of PIM dense mode. Leave each multicast server as the root of its own multicast tree.

    C. Configure each switch with PIM sparse - dense mode. Configure switch 3 as a ren dezvous point for the RPI multicast stream.

    D. Configure each switch with PIM sparse mode and a separate instance of PIM dense mode.Allow the switches to elect their own root for each multicast tree.

    E. Configure each switch with PIM sparse mode.

    F. Configure each switch with PIM dense mode.


    参考答案：C

  • 第2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.


    参考答案：D, F

  • 第3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4题：

    A switch that is to be added to the production network has been preconfigured （trunks， VLANs， VTP， and STP） and was tested in your lab. After installing the switch into the network， the entire network went down.  What might explain what happened？ （）

    • A、The new switch happened to be running Cisco Catalyst operating system， while the other network switches were running Cisco IOS Software.
    • B、The configuration revision of the new switch was higher than the configuration revision of the production VTP domain.
    • C、The link costs on the new switch are set to a high value， causing all ports on the new switch to go into a forwarding mode and none into blocking mode， thereby causing a spanning-tree loop.
    • D、The ports connecting to the two switches have been configured incorrectly. One side has the command switchport mode access and the other switchport mode trunk.

    正确答案:B

  • 第5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6题：

    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.

    正确答案:B

  • 第7题：

    Which two of these are characteristics of multicast routing？ （）

    • A、 multicast routing uses RPF
    • B、 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 originalpath
    • E、 Multicast routing is much like unicast routing， with the only difference being that it has a a groupof receivers rather than just one destination

    正确答案:A,C

  • 第8题：

    What is the benefit of using Anycast RP via RFC 4610 for IP multicast RP redundancy？（）    

    • A、 Improves convergence of the multicast network due to enhanced RPF checks
    • B、 Simplifies the number of control plane protocols over other RP redundancy methods
    • C、 Eliminates the use of Protocol Independent Multicast （PIM） in the topology
    • D、 Increases the administrative distances in Multicast Source Discovery Protocol （MSDP） configuration

    正确答案:B

  • 第9题：

    单选题
    A switch that is to be added to the production network has been preconfigured （trunks， VLANs， VTP， and STP） and was tested in your lab. After installing the switch into the network， the entire network went down.  What might explain what happened？ （）
    A

    The new switch happened to be running Cisco Catalyst operating system， while the other network switches were running Cisco IOS Software.

    B

    The configuration revision of the new switch was higher than the configuration revision of the production VTP domain.

    C

    The link costs on the new switch are set to a high value， causing all ports on the new switch to go into a forwarding mode and none into blocking mode， thereby causing a spanning-tree loop.

    D

    The ports connecting to the two switches have been configured incorrectly. One side has the command switchport mode access and the other switchport mode trunk.


    正确答案： C
    解析： 暂无解析

  • 第10题：

    多选题
    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： D,A
    解析： 暂无解析

  • 第11题：

    多选题
    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： E,F
    解析： 暂无解析

  • 第12题：

    单选题
    What is the benefit of using Anycast RP via RFC 4610 for IP multicast RP redundancy？（）
    A

     Improves convergence of the multicast network due to enhanced RPF checks

    B

     Simplifies the number of control plane protocols over other RP redundancy methods

    C

     Eliminates the use of Protocol Independent Multicast （PIM） in the topology

    D

     Increases the administrative distances in Multicast Source Discovery Protocol （MSDP） configuration


    正确答案： B
    解析： 暂无解析

  • 第13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.


    参考答案：D, E, F

  • 第14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 0

    B. The reverse path forwarding (RPF) for the route 224.2.0.1 failed to find the interface on which the multicast packet was rece ived

    C. Multicast route to 224.69.15.0/24 was added to the mroute table and created by a source directly connected to the router

    D. Multicast route to 10.16.0.0/16 was added to the mroute table and created by a source directly connected to the router

    E. This router received an IGMP host report from a group member or a PIM join message


    参考答案：A

  • 第15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16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17题：

    A network technician is installing a new managed 10/100 Mbps switch on the network. The network has an older printer with a 10Mbps network adapter that will be moved to the new switch. Which of the following settings on the switch will need to be configured to support the printer?（）

    • A、MAC filtering
    • B、IP address
    • C、PoE
    • D、Port speed

    正确答案:D

  • 第18题：

    Which two commands are required to enable multicast on a router， knowing that the receivers only support IGMPv2？（）

    • A、ip pim rp-address
    • B、ip pim ssm
    • C、ip pim sparse-mode
    • D、ip pim passive

    正确答案:A,C

  • 第19题：

    Before inserting a new switch in the network，the network administrator checks that the VTP domain name is correct，the VTP mode is set to server， and revision is lower than the switches in the network. The administrator then configures interfaces and trunks，erases existing VLANs，and connects the switch to the network. Following that procedure，there is no connectivity in the network. What is a possible cause of this problem？（）

    • A、Because the configuration revision of the new switches is lower than the rest of the network， it can change the VLAN database of the other switches.
    • B、As a VTP server， the new switch deleted all VLANs of the network.
    • C、Erasing VLANs increases the VTP configuration revision.
    • D、Since the configuration revision of the network is higher than the new switch， the VLAN database was automatically synchronized.

    正确答案:C

  • 第20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.

    正确答案:D,F

  • 第21题：

    单选题
    Multicast is being deployed in the network， and only ip pim sparse-dense mode has been configured on allinterfaces in the network to support a new video streaming application. No other multicast configuration wasapplied 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.


    正确答案： E
    解析： 暂无解析

  • 第22题：

    单选题
    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： C
    解析： 暂无解析

  • 第23题：

    单选题
    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.


    正确答案： C
    解析： 暂无解析

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