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多选题
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
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更多 “多选题Which three IP multicast related statements are true？ （Choose three.） （）AMulticast 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 InternetBThe multicast address 224.0.0.1 is a globally scoped address that has been reserved for the Network Time Protocol （NTP） by the IANACMulticast addresses 239.0.0.0 through 239.255.255.255 are called limited scope addresses. They are constrained to a local group or organizationDMulticast addresses 224.0.0.5 and 224.0.0.6 are limited scoped addresses that have been reserved for OSPFEMulticast 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” 相关考题
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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 IGMPv3B、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 herC、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 1D、Multicast addresses 224.0.0.5 and 224.0.0.6 are source multicast addresses for OSPF routersE、The a dministratively scoped multicast addresses 239.0.0.0 through 239.255.255.255 are similar in purpose to RFC 1918 private unicast addressesF、Multicast address 224.0.1.1 has been reserved for the Network Time Protocol (NTP) by the IANA
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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 InternetB、 The multicast address 224.0.0.1 is a globally scoped address that has been reserved for the Network Time Protocol （NTP） by the IANAC、 Multicast addresses 239.0.0.0 through 239.255.255.255 are called limited scope addresses. They are constrained to a local group or organizationD、 Multicast addresses 224.0.0.5 and 224.0.0.6 are limited scoped addresses that have been reserved for OSPFE、 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
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多选题Which three IP multicast group concepts are true？ （Choose three.） （）AIf a packet is sent to a multicast group address， all members of the multicast group will receive itBIf a packet is sent to a multicast group address， the multicast frame contains the source multicast addressCA router does not have to be a member of a multicast group to receive multicast data.DA router does not have to be a member of a multicast group to send to the group.EA router must be a member of a multicast group to receive multicast data.FA router must be a member of a multicast group to send to the group.
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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.
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多选题Which three statements are true about Source Specific Multicast？（）AIs best suited for applications that are in the one-to-many category.BSSM uses shortest path trees only.CThe 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.DThere are no RPs to worry about.
考题
多选题Which three IP multicast related statements are true？ （Choose three.） （）AMulticast 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 InternetBThe multicast address 224.0.0.1 is a globally scoped address that has been reserved for the Network Time Protocol （NTP） by the IANACMulticast addresses 239.0.0.0 through 239.255.255.255 are called limited scope addresses. They are constrained to a local group or organizationDMulticast addresses 224.0.0.5 and 224.0.0.6 are limited scoped addresses that have been reserved for OSPFEMulticast 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
考题
多选题Which four statements about NetFlow are true？（）ANetFlow records bidirectional IP traffic flow.BNetFlow export can be implemented over IPv4.CNetFlow export can be implemented over IPv6.DNetFlow records multicast IP traffic flow.ENetFlow records ingress traffic.FNetFlow records egress traffic.
考题
多选题Which three statements are true about the Internet Group Management Protocol (IGMP)? （）AThere are three IGMP modes: dense mode, sparse mode, and sparse - dense modeBIGMP is used to register individual hosts with a multicast groupCIGMP version 3 enables a multicast receiving host to specify to the router which sources it should forward traffic fromDIGMP messages a re IP datagrams with a protocol value of 2, destination address of 224.0.0.2, and a TTL value of 1EIGMP is a multicast routing protocol that makes packet - forwarding decisions independent of other routing protocols such as EIGRPFIGMP snooping ru ns on Layer 3 routers
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多选题Which three statements about anycast RP are true？ （）AMSDP is running between anycast RPsBAnycast RP provides redundancy and load-sharing capabilitiesCMulticast BGP is running between anycast RPsDIn anycast RP，two or more RPs are configured with the same multicast IP address on loopback interfacesEIn anycast RP，two or more RPs are configured with the same unicast IP address on loopback interfaces
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.
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