OSPF fast convergence is an extended feature to improve the convergence speed of routing, in which PRC works by speeding up routing computation by performing path calculations only on the affected nodes when the network topology changes.

The correct statement about the IGMP proxy is ? Multi-select

As shown in the figure, all routers run OSPF, which is correct in the following statement:

What is the field that the IPv6 header has similar to the IPv4 header "Type of Service" field?

Firewall security policies have the condition for traffic matching to be ?( Multi-select)