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Q65. Refer to the exhibit. 

According to the PIM configuration on SR-3, can the receiver in the diagram receive multicast traffic from the source for group FF1E::1234? Assume all the other configurations are correct. 

A. Yes. The configuration of PIM is correct and the receiver should get traffic from the source 

B. No. As the "rpf6-table" command is missing 

C. No. As the rp configuration is missing. There should be at least one RP selection method from static, bsr or embedded-rp 

D. No. As the "no IPv6-multicast-disable" command is missing 

E. B, C and D 

Answer: D 


Q66. What multicast component has no function at all in a PIM SSM network? 

A. The PIM routing protocol 

B. SSM translation on access multicast router 

C. The RP 

D. IGMP snooping 

E. IGMP Querier 

Answer: C 


Q67. Refer to the configuration exhibit. 

Channel 239.1.1.1, 239.1.1.2, 239.1.1.3 and 239.1.1.5 have already been established. 

What will happen when this router receives two IGMP reports to join group 239.1.1.4 and 239.1.1.8? 

A. Channel 239.1.1.4 will be established while 239.1.1.8 will not 

B. Channel 239.1.1.8 will be established while 239.1 1.4 will not 

C. Both of these two channels will be established 

D. Neither of these two channels will be established 

Answer: B 


Q68. Which of the following commands will verify, either directly or indirectly, if PIM is configured on an interface on the Alcatel-Lucent 7750 SR? (Choose two) 

A. show router pim interface 

B. show router pim status detail 

C. show router pim status 

D. show router interface detail 

Answer: AD 


Q69. Where is the best placement of the Rendezvous Point in a PIM SSM network? 

A. As close as possible to the multicast source 

B. The Rendezvous Point is not required in a PIM SSM network 

C. In the redundant core 

D. As close as possible to the receiver 

E. The Rendezvous Point can be positioned at any router without impact 

Answer: B 


Q70. Which of the following configuration steps are mandatory for IPv4 PIM ASM to work? (Choose two) 

A. Configure PIM on core and source facing interfaces 

B. Configure PIM on access facing interfaces 

C. Configure RP statically or via BSR 

D. Create and apply register and join policies 

E. Define the rpf-table 

Answer: AC 


Q71. Which of the following statements about MLD protocol is true? 

A. All MLD messages are sent with interface global IPv6 address 

B. MLDv3 is similar to IGMPv3 which can include/exclude the source ip address for specific groups 

C. MLD messages are a subset of ICMPv6 messages 

D. By default, MLD messages hop limit is set to 255 

Answer: C 


Q72. Why should the anycast RP address not be the system address of a router? 

A. 7750 SR configuration does not permit using the system address for an anycast address 

B. The system address of a router has to be a unique address within a domain while the anycast address is configured on multiple routers within the domain 

C. PIM will not be able to establish its signaling sessions if the anycast address uses the system address 

D. None of the above 

Answer: B