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Which three IP multicast group concepts are true？（）

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

B. A router does not have to be a member of a multicast group to recei ve multicast data.

C. A router must be a member of a multicast group to send to the group.

D. A router does not have to be a member of a multicast group to send to the group.

E. If a packet is sent to a multicast group address, all members of the multic ast group will receive it.

F. A router must be a member of a multicast group to receive multicast data.

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更多“Which three IP multicast group concepts are true？（）”相关的问题

第1题

Which of the following statements correctly describes the characteristics of a Frame Relay point-to-point subinterface？（）

A. Needs to use Inverse ARP.

B. Maps a single IP subnet per DLCI.

C. Maps a single IP subnet across multiple DLCIs.

D. Resolves NBMA (non broadcast multi access) split horizon issues.

E. Requires use of the frame-relay map command.

F. None of the above

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第2题

Which three components are part of the Intelligent Network Services provided by the Cisco AVVID framework？（）

A. IP telephony

B. security

C. IP multicasting

D. QoS

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第3题

Which three IP addresses are valid multicast addresses？（）

A.169.254.23.59

B. 223.254.255.254

C. 225.1.1.1

D. 227.43.34.2

E. 238.3.3.3

F. 249.1.2.3

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第4题

Which three IP addresses can be assigned to hosts if the subnet mask is /27 and subnet zero is usable？（）

A.10.15.32.17

B.17.15.66.128

C.66.55.128.1

D.135.1.64.34

E.129.33.192.192

F.192.168.5.63

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第5题

Which three attributes are carried in a source active message？（）

A. NLRI information

B. IP address of originating RP

C. address of multicast source

D. all active RPs in the local domain

E. group address to which the source is sending

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第6题

Which three can be specified within an RSVP session attribute object？（）（Choose three.)

A. hold priority

B. setup priority

C. FEC IP address

D. resource availability

E. local protection option

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第7题

Which three properties or behaviors of an IP interface are defined by a profile？（）（Choose three.)

A. IP access routes

B. MTU size of the interface

C. number of PPPoE session

D. using CHAP for authentication

E. assigning the interface to a virtual router

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第8题

Which three security concerns can be addressed by a tunnel mode IPsec VPN secured by AH？（）（Choose three.)

A. data integrity

B. data confidentiality

C. data authentication

D. outer IP header confidentiality

E. outer IP header authentication

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第9题

In JUNOS software with enhanced services, which three packet elements are inspected to determineif a session already exists？（）（Choose three.)

A. IP protocol

B. IP time-to-live

C. source and destination IP address

D. source and destination MAC address

E. source and destination TCP/UDP port

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