How does the COMMUNITY attribute of the route set by the routing strategy affect the route selection?
A . It can be indirectly affected. By setting the COMMUNITY attribute of the route, the route can be classified, and then different routing-related attributes, such as LOCAL-PRE, MED, etc., can be set according to the category, so as to achieve the purpose of influencing routing
B . It cannot be affected because the COMMUNITY attribute of the route is a non-transitional attribute and cannot be passed between routers
C . It can be affected indirectly. By setting the COMMUNITY attribute of the route, the route can be classified, and then different routing-related attributes can be set according to the category. These attributes can only include LOCAL-PRE, MED, to achieve the purpose of influencing routing selection.
D . After the router receives the route update with the COMMUNITY attribute of NO_ADVERTISE, it will not be published outside the local A
Answer: A