The command ip as-path-fiter as-path-fiter-number (denylpermit) regular-expression to configure as-path-ilter, in this command , multiple sentences can form an as-path-filter statement, what is the relationship between so many statements?

How do IGMPv2 routers maintain cinderband group membership? Multi-select

Two routers connected through a firewall cannot establish a BGP neighbor relationship. What causes it?

Which address prefix in the following options indicates that the address is globally unique and globally routable among unicast addresses in IPv6, similar to a public address in IPv4?(). Single choice questions).

If an administrator wants to manage certain routes on the router during operations, the following tools are listed below. These routes can be flagged so that administrators can configure policies