About MUX VLAN, which is correct?

The routing tool route-policy can give pre-defined condition filtering and set BGP attributes, so it is often used to define policies for BGP peers, and is often used during route generation. By default, all unmatched routes were rejected to go through route-policy.

Which of the following is the characteristics of the OSPF stub area?

The BGP attributes that are typically used to control how data flows out of the AS are:

What kinds of special areas does OSPF define? (Multiple Choice)