Which describes the best practice for routing protocol deployment?

Your company’s Cisco routers are operating with EIGRP. You need to join networks with an acquisition’s heterogeneous routers at 3 sites, operating with EIGRP and OSPF.

Which describes the best practice for routing protocol deployment?
A . Apply OSPF throughout both networks
B . Apply one-way redistribution exclusively at each location
C . Apply two-way redistribution exclusively at each location
D . Apply two-way redistribution at each location with a route filter at only one location
E . Apply two-way redistribution at each location with a route filter at each location
F . Apply EIGRP with the same autonomous system throughout both networks

View Answer

Answer: E

Explanation:

Without filters there is possibility of routing loops.

Reference: http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a008009487e.shtml