Which of the following statements about the working principle of LDP FRR are true?
Answer : A, B
Multicast configurations in PIM-SM are as follows:
#
multicast routing-enable
#
acl number 2000
rule 5 permit source 239.0.0.0 0.0.0.255
rule 10 deny
#
acl number 2999
rule 5 permit source 233.32.32.0 0.0.0.255
rule 10 deny#
interface Ethernet10/2/0
ip address 10.1.1.1 255.255.255.0
pim sm
#
interface LoopBack0
ip address 1.1.1.1 255.255.255.255
pim sm
#
interface LoopBack2
ip address 2.2.2.2 255.255.255.255
pim sm
#
interface LoopBack3
ip address 3.3.3.3 255.255.255.255
pim sm
#
pim
c-bsr Ethernet10/2/0
c-rp Ethernet10/2/0 priority 192
c-rp LoopBack0 group-policy 2000
c-rp LoopBack3
static-rp 2.2.2.2 2999 preferred
#
Based on the preceding configurations, which of the following statements about the mapping
relationships between the specified group and the RP are true?
Answer : A, D
When the multicast source starts to send multicast data and no receiver joins in the RP in PIM-SM, which of the following statements are true?
Answer : A, B
If a (*, G) entry exists in the RP, which of the following statements about the source registration
process are true in PIM-SM?
Answer : A, C, D, E
In PIM-SM, how does each router learn the location of the RP?
Answer : B, C
As shown in the figure, RTA, RTB, and RTC use the OSPF protocol. The default cost value is used for links, and unicast routes converge on the entire network. The Loopback 0 interface is set to configure RTC as the RP or BSR. The SPT switching threshold uses the default value on RTB. The receiver joins the multicast group 225.1.1.1. The multicast source sends multicast data to the destination address 225.1.1.1. Which interface is the inbound interface in the (10.1.1.1, 225.1.1.1) entry on RTB?
Answer : A
#
pim
c-rp Ethernet6/2/0
timer hello 100
state-refresh-interval 10
state-refresh-ttl 60
Interface Ethernet6/2/0Ip address 20.1.1.3 255.255.255.0
Pim timer hello 45
Pim dm
#
Which of the following statements are false?
Answer : B, D