True or false: A router with an interface associated with Area 1 and Area 2 will be able to inject routes
learned from one area into another area.
a. True
b. False - b. False
True or false: A member router contains a complete copy of the LSDBs for every area in the routing
domain.
a. True
b. False - b. False
How many OSPF link-state announcement (LSA) types are used for routing traditional IPv4 packets?
a. Two
b. Three
c. Five
d. Six
e. Seven - d. Six
What is the LSA age field in the LSDB used for?
a. For version control—to ensure that the most recent LSA is present
b. To age out old LSAs by removing an LSA when its age reaches zero
c. For troubleshooting—to identify exactly when the LSA was advertised
d. To age out old LSAs by removing an LSA when it reaches 3600 seconds - d. To age out old LSAs by
removing an LSA when it reaches 3600 seconds
Which LSA type exists in all OSPF areas?
a. Network
b. Summary
, c. Router
d. AS external - c. Router
True or false: When an ABR receives a network LSA, the ABR forwards the network LSA to the other
connected areas.
a. True
b. False - b. False
When a type 3 LSA is received in a nonbackbone area, what does the ABR do?
a. Discards the type 3 LSA and does not process it
b. Installs the type 3 LSA for only the area where it was received
c. Advertises the type 3 LSA to the backbone area and displays an error
d. Advertises the type 3 LSA to the backbone area - b. Installs the type 3 LSA for only the area where it
was received
True or false: OSPF uses the shortest total path metric to identify the best path for every internal OSPF
route (intra-area and interarea).
a. True
b. False - b. False
True or false: Breaking a large OSPF topology into smaller OSPF areas can be considered a form of
summarization.
a. True
b. False - a. True
How is the process of summarizing routes on an OSPF router accomplished?
a. By using the interface configuration command summary-address network prefix-length
b. By using the OSPF process configuration command summary-address network prefix-length
c. By using the OSPF process configuration command area area-id range network subnet-mask
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