In the access architecture of an IP bearer network, the OSPF protocol is enabled between two access routers, two firewalls (in transparent mode), and two Layer 3 switches. Softswitches work in active/standby mode. VRRP is enabled between the softswitches to provide a gateway. In normalcases, SW1 is the master router and SW2 is the backup router. Considering the reliability of the access network, how would you plan the cost value of each link in the OSPF area?
On the BGP network, which of the following policies can be used to prevent BGP-targeted attacks?
Which of the following statements about the Dynamic Host Configuration Protocol (DHCP)
snooping function are true?
RTA is a leaf router that directly connects to host A through interface GigabitEthernet 1/0/0. The interface is configured as follows:
ip address 192.168.4.2 255.255.255.0
igmp version 3
igmp ssm-mapping enable
Configurations in the IGMP view are as follows:
ssm-mapping 188.8.131.52 255.255.255.0 10.10.1.1
A user sends an IGMPv2 Report message on host A to join groups 184.108.40.206 and 220.127.116.11 but the user cannot receive (10.10.1.1, 18.104.22.168) and (10.10.1.1, 22.214.171.124) messages. To solve this
problem, which of the following configurations are required?
Which multicast protocol can support the SSM? (