单项选择题

When importing or exporting routing information using routing policy, the import or export is always done from which point of view?（）

A. routing table
B. forwarding table
C. routing protocol
D. neighbor or peer

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多项选择题

In which three ways are C-BGP and E-BGP sessions similar?（）

A. Both are configured as type external.
B. Both configurations use the peer-as command.
C. Neither advertises the local-preference attribute.
D. Both set next-hop self when advertising routes to peers.
E. Both modify the AS-path attribute when advertising routes.

单项选择题

An OSPF non-backbone area allows external routes to be flooded within the area. These externalroutes are propagated into other areas. However, external routes from other areas are not allowed to enter this area. Which type of OSPF area does this describe?（）

A. stub area
B. transit area
C. border area
D. not-so-stubby area

单项选择题

In JUNOS software, how is route summarization at the L1/L2 border configured?（）

A. by specifying the area-range statement
B. by creating aggregate routes and applying policies
C. by specifying the route-summarization statement
D. by specifying the area-range restrict statement