CCNP: OSPF Trivia Questions For Professionals! Quiz
In this quiz for people working towards becoming a Cisco Certified Network Professional, we’ll be turning our attention the topic of the Open Shortest Path First protocol – a routing protocol for IP networks which uses a link state routing algorithm. What else do you know about it?
- 1.Which of the following LSA types are flooded to all areas apart from Stub and Totally Stubby
- A.
1
- B.
3
- C.
4
- D.
5
- E.
2
- F.
7
- 2.What type of router generates a Type 5 LSA?
- A.
ABR
- B.
Backbone router
- C.
ASBR
- 3.What LSA types are generated by all routers in an area?
- A.
TYPE 1
- B.
TYPE 2
- C.
TYPE 5
- D.
TYPE 3
- 4.Which of the following LSA types are generated into a NSSA but do not leave this area ?
- A.
1
- B.
7
- C.
3
- D.
5
- E.
2
- 5.You type the command show ip ospf database and see the term "NET LINK STATES" what does this refer to ?
- A.
LSA-5
- B.
LSA-2
- C.
LSA-1
- D.
LSA-3
- 6.Type 3 and 4 LSAs are only created by the ABR
- A.
True
- B.
False
- 7.Type 5 and 7 LSAs are created by the ABR and ASBR?
- A.
True
- B.
False
- 8.Which LSA type will tell you which router is the DR ?
- A.
LSA TYPE 7
- B.
LSA TYPE 1
- C.
LSA TYPE 2
- D.
LSA TYPE 3
- 9.You have a network of 4 routers on the same broadcast ethernet segment. You type the command show ip ospf neighbor and notice that 3 other routers are showing as neighbors. One of them is showing as FULL/BDR and the other two are 2WAY/DROTHER. What type of your router did you enter the show command on
- A.
DR
- B.
BDR
- C.
DROTHER
- 10.You type the show ip ospf neighbor command and see that you are neighbors with 4 routers but adjacent to two of them. The other two routers you are neighbors with appear to be stuck in 2WAY/DROTHERstate? Why is this and what does this tell you? choose 3
- A.
YOUR ROUTER IS NEITHER DR OR BDR
- B.
YOUR ROUTER IS THE BDR
- C.
BEING IN 2WAY/DROTHER means less traffic sent to non DR/BDR
- D.
YOU ARE A DROTHER
- E.
ROUTERS HAVE NOT FULLY SYNCHRONISED
- F.
YOUR ROUTER HAS A 2WAY/FULL STATE WITH TWO OTHER ROUTERS
- 11.DROTHERS ARE FULLY ADJACENT TO ALL OSPF ROUTERS
- A.
True
- B.
False
- 12.Which of the following area types contain only O, "O IA", " O IA*" routes
- A.
Nssa
- B.
Stub
- C.
Totally stubby
- D.
Not so stubby totally stubby
- 13.Which of the following can only only contain "O", "O IA" routes
- A.
Stub
- B.
Not so stubby
- C.
Not so stubby totally stubby
- D.
Totally stubby
- 14.Typing the command show ip ospf border-routes on an ABR will display all the router ids of the any neighboring ABRs or ASBRs but NOT the router-id of the local router (who is also an ABR as mentioned) who you are typing the command into.
- A.
True
- B.
False
- 15.In the EX start state what occurs?
- A.
LSDB ARE EXCHANGED
- B.
DR AND BDR ARE ELECTED
- C.
LINK STATE REQUESTS ARE SENT
- D.
MASTER AND SLAVE ARE DETERMINED
- 16.WHICH OF THE FOLLOWING DO NOT REQUIRE AN LSACK TO BE SENT?
- A.
LSDB
- B.
LSR
- C.
HELLO
- D.
LSU
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