Review Questions
199
17.
Which of the following can be defined as a router that exists (wholly
or in part) in OSPF Area 0?
A.
Backbone router
B.
Autonomous system boundary router
C.
Designated router
D.
Area border router
18.
Which of the following describes the syntax used to summarize exter-
nal routes on an ASBR?
A.
ip route summarize area-id network-address network-
mask
B.
summary-address network-address network-mask
C.
area area-id range network-address network-mask
D.
summary area-id network-address network-mask
19.
Which of the following IOS commands shows the formation of router
adjacencies?
A.
debug ospf events
B.
debug ip ospf border-routers
C.
debug ip ospf neighbor
D.
debug ip ospf database
20.
Which of the following LSA types is referred to as an AS External Link
Advertisement?
A.
Type 1 LSA
B.
Type 2 LSA
C.
Type 3 or Type 4 LSA
D.
Type 5 LSA
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