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

题目
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.


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更多“Which three statements are true about IP multicast configuration?() ”相关问题
  • 第1题:

    Which three IP multicast address related statements are true?()

    • A、Multicast addresses 224.0.0.13 and 224.0.0.22 are reserved link - local addresses used by PIMv2 and IGMPv3
    • B、Because they would map to overlapping IP multicast MAC addresses, multicast addresses 224.0.1.1 and 238.1.1.1 could not be used toget her
    • C、Multicast addresses 224.0.0.0 through 224.0.0.255 are always forwarded because they are transmitted with Time to Live (TTL) greater than 1
    • D、Multicast addresses 224.0.0.5 and 224.0.0.6 are source multicast addresses for OSPF routers
    • E、The a dministratively scoped multicast addresses 239.0.0.0 through 239.255.255.255 are similar in purpose to RFC 1918 private unicast addresses
    • F、Multicast address 224.0.1.1 has been reserved for the Network Time Protocol (NTP) by the IANA

    正确答案:A,E,F

  • 第2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3题:

    Which four statements about NetFlow are true?()

    • A、NetFlow records bidirectional IP traffic flow.
    • B、NetFlow export can be implemented over IPv4.
    • C、NetFlow export can be implemented over IPv6.
    • D、NetFlow records multicast IP traffic flow.
    • E、NetFlow records ingress traffic.
    • F、NetFlow records egress traffic.

    正确答案:B,D,E,F

  • 第4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5题:

    Which two statements are true about Internet Group Management Protocol (IGMP) snooping?()

    • A、IGMP snooping and Cisco Group Membership Protocol (CGMP) can be used simultaneously on a switch.
    • B、IGMP snooping a nd Cisco Group Membership Protocol (CGMP) were developed to help Layer 3 switches make intelligent forwarding decisions on their own.
    • C、IGMP snooping examines IGMP join/leave messages so that multicast traffic is forwarded only to hosts that sent an IG MP message toward the router.
    • D、IGMP snooping is an IP multicast constraining mechanism for Layer 2 switches.
    • E、IGMP snooping is enabled with the ip multicast - routing global configuration command.

    正确答案:C,D

  • 第6题:

    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 Internet
    • B、 The multicast address 224.0.0.1 is a globally scoped address that has been reserved for the Network  Time Protocol (NTP) by the IANA
    • C、 Multicast addresses 239.0.0.0 through 239.255.255.255 are called limited scope addresses. They are  constrained to a local group or organization
    • D、 Multicast addresses 224.0.0.5 and 224.0.0.6 are limited scoped addresses that have been reserved for  OSPF
    • E、 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

    正确答案:A,C,E

  • 第7题:

    Which three statements about subqueries are true? ()

    • A、Asinglerowsubquerycanretrieveonlyonecolumnandonerow.
    • B、Asinglerowsubquerycanretrieveonlyonerowbutmanycolumns.
    • C、Amultiplerowsubquerycanretrievemultiplerowsandmultiplecolumns.
    • D、Amultiplerowsubquerycanbecomparedusingthe";>;";operator.
    • E、AsinglerowsubquerycanusetheINoperator.
    • F、Amultiplerowsubquerycanusethe";=";operator.

    正确答案:B,C,E

  • 第8题:

    多选题
    Which three statements are true about persistent configuration?() (Choose three.)
    A

    A user cannot set privileges on the persistent lightweight jobs

    B

    Persistent lightweight jobs generate a large amount of metadata

    C

    It is possible to create fully self-contained persistent lightweight jobs

    D

    The use of a template is mandatory to create persistent lightweight jobs

    E

    Persistent lightweight jobs are useful when users need to create a large number of jobs in a short time


    正确答案: C,B
    解析: 暂无解析

  • 第9题:

    多选题
    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 it

    B

    If a packet is sent to a multicast group address, the multicast frame contains the source multicast  address

    C

    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.


    正确答案: E,B
    解析: 暂无解析

  • 第10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11题:

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

    NetFlow records unidirectional IP traffic flow.

    B

    NetFlow records MPLS frame flow.

    C

    NetFlow expert is only over TCP.

    D

    NetFlow records is only over UDP.

    E

    NetFlow records subinterface information of traffic flow.


    正确答案: C,A
    解析: 暂无解析

  • 第12题:

    多选题
    Which three statements are true about the Internet Group Management Protocol (IGMP)? ()
    A

    There are three IGMP modes: dense mode, sparse mode, and sparse - dense mode

    B

    IGMP is used to register individual hosts with a multicast group

    C

    IGMP version 3 enables a multicast receiving host to specify to the router which sources it should forward traffic from

    D

    IGMP messages a re IP datagrams with a protocol value of 2, destination address of 224.0.0.2, and a TTL value of 1

    E

    IGMP is a multicast routing protocol that makes packet - forwarding decisions independent of other routing protocols such as EIGRP

    F

    IGMP snooping ru ns on Layer 3 routers


    正确答案: B,F
    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.

    正确答案:D,E,F

  • 第14题:

    Which three IP multicast address related statements are true? (Choose three.) () 

    • A、Multicast addresses 224.0.0.0 through 224.0.0.255 are always forwarded because they are transmitted  with Time to Live (TTL) greater than 1.
    • B、Multicast addresses 224.0.0.5 and 224.0.0.6 are source multicast addresses for OSPF routers.
    • C、Multicast addresses 224.0.0.13 and 224.0.0.22 are reserved link-local addresses used by PIMv2 and  IGMPv3.
    • D、Because they would map to overlapping IP multicast MAC addresses, multicast addresses 224.0.1.1  and 238.1.1.1 could not be used together.
    • E、Multicast address 224.0.1.1 has been reserved for the Network Time Protocol (NTP) by the IANA
    • F、The administratively scoped multicast addresses 239.0.0.0 through 239.255.255.255 are similar in  purpose to RFC 1918 private unicast addresses.

    正确答案:C,E,F

  • 第15题:

    Which three of these statements about the IP service level agreement (SLA) sender are true? ()

    • A、SLA sender target can be an IP host
    • B、SLA sender sends a probe packet and a response probe packet
    • C、SLA sender sends a probe packet
    • D、SLA sender target must be a router
    • E、SLA sender target can be an IP SLA responder

    正确答案:A,C,E

  • 第16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17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 it
    • B、 If a packet is sent to a multicast group address, the multicast frame contains the source multicast  address
    • C、 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.

    正确答案:A,D,E

  • 第18题:

    Which of the following statements is true about IPAT via IP replacement?()  

    • A、 Configuration of Hardware Address Takeover is supported.
    • B、 Fewer physical network interface cards are required in the cluster.
    • C、 It is the default for keeping a service IP labels highly available.
    • D、 None-service ip labels must use different subnets than service IP labels.

    正确答案:A

  • 第19题:

    单选题
    Which of the following statements is true about IPAT via IP replacement?()
    A

     Configuration of Hardware Address Takeover is supported.

    B

     Fewer physical network interface cards are required in the cluster.

    C

     It is the default for keeping a service IP labels highly available.

    D

     None-service ip labels must use different subnets than service IP labels.


    正确答案: A
    解析: 暂无解析

  • 第20题:

    多选题
    Which three of these statements about the IP service level agreement (SLA) sender are true? ()
    A

    SLA sender target can be an IP host

    B

    SLA sender sends a probe packet and a response probe packet

    C

    SLA sender sends a probe packet

    D

    SLA sender target must be a router

    E

    SLA sender target can be an IP SLA responder


    正确答案: E,C
    解析: 暂无解析

  • 第21题:

    多选题
    Which three IP multicast address related statements are true? (Choose three.) ()
    A

    Multicast addresses 224.0.0.0 through 224.0.0.255 are always forwarded because they are transmitted  with Time to Live (TTL) greater than 1.

    B

    Multicast addresses 224.0.0.5 and 224.0.0.6 are source multicast addresses for OSPF routers.

    C

    Multicast addresses 224.0.0.13 and 224.0.0.22 are reserved link-local addresses used by PIMv2 and  IGMPv3.

    D

    Because they would map to overlapping IP multicast MAC addresses, multicast addresses 224.0.1.1  and 238.1.1.1 could not be used together.

    E

    Multicast address 224.0.1.1 has been reserved for the Network Time Protocol (NTP) by the IANA

    F

    The administratively scoped multicast addresses 239.0.0.0 through 239.255.255.255 are similar in  purpose to RFC 1918 private unicast addresses.


    正确答案: C,E,F
    解析: 暂无解析

  • 第22题:

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

    Asinglerowsubquerycanretrieveonlyonecolumnandonerow.

    B

    Asinglerowsubquerycanretrieveonlyonerowbutmanycolumns.

    C

    Amultiplerowsubquerycanretrievemultiplerowsandmultiplecolumns.

    D

    Amultiplerowsubquerycanbecomparedusingthe;>;;operator.

    E

    AsinglerowsubquerycanusetheINoperator.

    F

    Amultiplerowsubquerycanusethe;=;operator.


    正确答案: D,A
    解析: 暂无解析

  • 第23题:

    多选题
    Which four statements about NetFlow are true?()
    A

    NetFlow records bidirectional IP traffic flow.

    B

    NetFlow export can be implemented over IPv4.

    C

    NetFlow export can be implemented over IPv6.

    D

    NetFlow records multicast IP traffic flow.

    E

    NetFlow records ingress traffic.

    F

    NetFlow records egress traffic.


    正确答案: B,C
    解析: 暂无解析

  • 第24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