多选题Which two statements about RPF checks in Multicast Source Discovery Protocol （MSDP） are true？（）AIt prevents message looping， Session Advertisement （SA）messages must be RPF checkedBRPF check should be done against the route to the source S of the corres

题目
多选题
Which two statements about RPF checks in Multicast Source Discovery Protocol （MSDP） are true？（）
A

It prevents message looping， Session Advertisement （SA）messages must be RPF checked

B

RPF check should be done against the route to the source S of the corresponding PIM-SM domain

C

RPF check should be done against the route to the Rendez-vous Point of the corresponding PIM-SM domain，which originated the SA

D

RPF checking Session Advertisement （SA） messages will cause message looping

相似考题

1.Which two statements are true about the RMAN validate database command?()A. It checks the database for intrablock corruptions.B. It can detect corrupt pfiles.C. It can detect corrupt spfiles.D. It checks the database for interblock corruptions.E. It can detect corrupt block change tracking files.

2.Which two multicast protocol statements are true?()A. Sparse mode multicast uses a pull model to send multicast traffic to where it is requestedB. Dense mode multicast uses a push model to flood traffic throughout the network and then prunes the unwanted trafficC. Dense mode multicast requires explicit join messa ges from their membersD. Sparse mode uses reverse path forwarding (RPF) to prune off redundant flowsE. The primary use of sparse mode multicast is for test labs and router performance testing

3.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.

4.Which two statements are true about pool－based source NAT? ()(Choose two.)A. PAT is not supported.B. PAT is enabled by default.C. It supports the address-persistent configuration option.D. It supports the junos-global configuration option.

更多“Which two statements about RPF checks in Multicast Source Di”相关问题

  • 第1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2题：

    Which two statements are true about the RMAN validate database command?（）

    • A、It checks the database for intrablock corruptions.
    • B、It can detect corrupt pfiles.
    • C、It can detect corrupt spfiles.
    • D、It checks the database for interblock corruptions.
    • E、It can detect corrupt block change tracking files.

    正确答案:A,C

  • 第3题：

    In order to configure two routers as anycast RPs， which of these requirements， af a minimum， must besatisfied？（）

    • A、Multicast Source Discovery Protocol mesh-groups must be configured between the two anycast RPs.
    • B、The RPs must be within the same IGP domain.
    • C、Multicast Source Discovery Protocol must be configured between the two anycast RPs.
    • D、The two anycast RPs must be IBGP peers.

    正确答案:C

  • 第4题：

    Which three statements about anycast RP are true？ （）

    • A、MSDP is running between anycast RPs
    • B、Anycast RP provides redundancy and load-sharing capabilities
    • C、Multicast BGP is running between anycast RPs
    • D、In anycast RP，two or more RPs are configured with the same multicast IP address on loopback interfaces
    • E、In anycast RP，two or more RPs are configured with the same unicast IP address on loopback interfaces

    正确答案:A,B,E

  • 第5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6题：

    Which two statements are true about the forwarding table?（）

    • A、The forwarding table lists each source protocol and preference for each destination.
    • B、The forwarding table contains only active routes.
    • C、The forwarding table is used to process transit packets.
    • D、The forwarding table is stored in compact flash.

    正确答案:B,C

  • 第7题：

    Which two statements are true about pool-based source NAT? （）(Choose two.)

    • A、PAT is not supported.
    • B、PAT is enabled by default.
    • C、It supports the address-persistent configuration option.
    • D、It supports the junos-global configuration option.

    正确答案:B,C

  • 第8题：

    多选题
    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： C,A
    解析： 暂无解析

  • 第9题：

    多选题
    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.


    正确答案： C,B
    解析： 暂无解析

  • 第10题：

    多选题
    In Multicast VPN （MVPN） implementations， which two of the following statements are regarding the DefaultMDT Group？（）
    A

    It is used for PIM control traffic

    B

    It is optionally configured for a high bandwidth multicast source to reduce multicast traffic replication to uninterested PE routers

    C

    Within the VPF configuration in the PE router， multiple Default MDT groups are configured so each VPF can support multiple multicast sources

    D

    There is a reduced multicast state in the MPLS core P routers

    E

    When multicast traffic exceeds a certain configured threshold， traffic from the Data MDT is switched to the Default MDT to conserve bandwidth


    正确答案： B,D
    解析： 暂无解析

  • 第11题：

    多选题
    Which two statements are true about the forwarding table?（）
    A

    The forwarding table lists each source protocol and preference for each destination

    B

    The forwarding table constains only active routes

    C

    The forwarding table is used to process transit packets

    D

    The forwarding table is stored in compact flash


    正确答案： B,C
    解析： 暂无解析

  • 第12题：

    多选题
    Which two statements are true about pool-based source NAT? （）(Choose two.)
    A

    PAT is not supported.

    B

    PAT is enabled by default.

    C

    It supports the address-persistent configuration option.

    D

    It supports the junos-global configuration option.


    正确答案： D,C
    解析： 暂无解析

  • 第13题：

    Which two of these multicast deployments are most susceptible to attacks from unknown sources？（）

    • A、 ASM
    • B、 BiDir PIM
    • C、 PIM-SM RP
    • D、 RP-Switchover
    • E、 Source Specific Multicast

    正确答案:A,B

  • 第14题：

    Which two statements about RPF checks in Multicast Source Discovery Protocol （MSDP） are true？（）

    • A、It prevents message looping， Session Advertisement （SA）messages must be RPF checked
    • B、RPF check should be done against the route to the source S of the corresponding PIM-SM domain
    • C、RPF check should be done against the route to the Rendez-vous Point of the corresponding PIM-SM domain，which originated the SA
    • D、RPF checking Session Advertisement （SA） messages will cause message looping

    正确答案:A,C

  • 第15题：

    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.

    正确答案:A,B,D

  • 第16题：

    In order to configure two routers as anycast RPs，which of these requirements，at a minimum， must be satisfied？（）

    • A、Multicast Source Discovery Protocol mesh-groups must be configured between the two anycast RPs.
    • B、The RPs must be within the same IGP domain.
    • C、Multicast Source Discovery Protocol must be configured between the two anycast RPs.
    • D、The two anycast RPs must be IBGP peers.

    正确答案:C

  • 第17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18题：

    Which two statements are true about the forwarding table?（）

    • A、The forwarding table lists each source protocol and preference for each destination
    • B、The forwarding table constains only active routes
    • C、The forwarding table is used to process transit packets
    • D、The forwarding table is stored in compact flash

    正确答案:B,C

  • 第19题：

    Which two statements are true about the forwarding table?（）

    • A、The forwarding table lists each source protocol and preference for each destination.
    • B、The forwarding table contains only active routes.
    • C、The forwarding table is used to process transit packets.
    • D、The forwarding table is stored in compact flash

    正确答案:B,C

  • 第20题：

    多选题
    Which two statements are true about the RMAN validate database command?（）
    A

    It checks the database for intrablock corruptions.

    B

    It can detect corrupt pfiles.

    C

    It can detect corrupt spfiles.

    D

    It checks the database for interblock corruptions.

    E

    It can detect corrupt block change tracking files.


    正确答案： E,C
    解析： 暂无解析

  • 第21题：

    多选题
    Which two statements are true about RPF checks in MSDP（Multicast Source Discovery Protocol）？（）
    A

    It prevents message looping，Session Advertisement（SA）messages must be RPF checked

    B

    RPF check should be done against the route to the Rendez-vous Point of the corresponding PIM-SM domain，which originated the SA

    C

    RPF checking Session Advertisement（SA）messages will cause message looping

    D

    RPF check should be done against the route to the source S of the corresponding PIM-SM domain


    正确答案： C,A
    解析： 暂无解析

  • 第22题：

    多选题
    Which three statements about anycast RP are true？ （）
    A

    MSDP is running between anycast RPs

    B

    Anycast RP provides redundancy and load-sharing capabilities

    C

    Multicast BGP is running between anycast RPs

    D

    In anycast RP，two or more RPs are configured with the same multicast IP address on loopback interfaces

    E

    In anycast RP，two or more RPs are configured with the same unicast IP address on loopback interfaces


    正确答案： B,C
    解析： 暂无解析

  • 第23题：

    多选题
    Which two multicast protocol statements are true？ （Choose two.）  （）
    A

    Dense mode multicast requires explicit join messages from their members.

    B

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

    C

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

    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.


    正确答案： A,D
    解析： 暂无解析

  • 第24题：

    多选题
    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


    正确答案： C,E
    解析： 暂无解析

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