@@QUES 010101 Y/N Q,159,346,278,250
Do you think that the specification of OSPF is in the public domain?
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1
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You're right.
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In fact, it is.
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The answer is Yes.

@@QUES 010102 XYF Q,121,401,353,338
See if you can choose the correct option to fill in the blank.

OSPF is a  _  routing protocol.
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Choose an option to fill the blank.
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%010distance vector
%010link-state
%010balanced hybrid
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2
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That's right.
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That's not it. The correct option is now highlighted.
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The full statement is now shown.

@@QUES 010103 SXY Q,159,371,283,262
Which of the following types of routing do you think OSPF can use?
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Choose an option.
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flat
hierarchical
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2
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That's right.
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That's not it. The correct option is now highlighted.
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The correct option is now highlighted.

@@QUES 010104 T/F Q,151,338,299,303
Do you think the following statement is true or false?

If that interface goes down, the router will continue to operate normally.
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2
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That's right.
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Actually, it won't.
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The statement is false.

@@QUES 010105 Y/N Q,138,304,315,265
Do you think a carrier failure on a serial link would constitute a topology change?
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1
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You're right.
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In fact, it would.
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The answer is Yes.

@@QUES 010106 SXY Q,129,318,333,282
If the dead timer expires what do you think the router assumes about its neighbor?
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Choose an option.
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Its neighbor is busy
Its neighbor is down
Its neighbor is idle
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2
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That's right.
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That's not it. The correct option is now highlighted.
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The correct option is now highlighted.

@@QUES 010201 MXY Q,121,316,346,289
Which of the following do you think would trigger an LSA?
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Choose each appropriate item.
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A break in a physical link
The addition of a router to the network
A router going down on the network
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1,2,3
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That's right.
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Partly right. The correct options are now highlighted.
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You have not made any correct choices. All of the options are correct and are now highlighted.
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All of the options are correct and are now highlighted.

@@QUES 010202 T/F Q,122,358,343,303
Do you think the following statement is true or false?

If the entries are identical the routers forward the LSA on throughout the network.
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2
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That's right.
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Actually, they don't.
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The statement is false.

@@QUES 010203 T/F Q,143,331,298,309
Do you think the following statement is true or false?

Once they have updated their databases there is no need to forward the LSA on through the network.
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2
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That's right.
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Actually, the statement is false.
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The statement is false.

@@QUES 010101t MXY Q,121,420,441,336
Which of the following statements about OSPF is/are true?
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Choose each appropriate item.
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OSPF is a link-state routing protocol
The OSPF specification is not in the public domain
OSPF can operate within a routing hierarchy
OSPF supports VLSM
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1,3,4
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28
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Correct.
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7 per correct decision
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Partly right. The correct options are now highlighted.
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You have not made any correct choices. The correct options are now highlighted.

@@QUES 010102t XYF Q,0,0,334,291
By default the OSPF router ID is the  _  IP address on an active interface.
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Choose an option to fill the blank.
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%010lowest
%010highest
%010first
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2
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15
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Correct.
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Incorrect. The correct option is now highlighted.
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The full statement is now shown.

@@QUES 010103t T/F Q,156,381,305,305
You assign an IP address on a loopback interface in order to prevent an OSPF process calculating a new router ID and resending all of its routing information out its interfaces.
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1
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10
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Correct.
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Incorrect. The statement is true.

@@QUES 010104t FIB Q,0,0,315,229
What is the name of the protocol used by OSPF routers to identify and establish relationships with adjacent routers?  __________________
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Type your answer.
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15
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%008Hello, The Hello protocol, Hello protocol
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That's right.
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Yes, but the word used here is "Hello".
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Incorrect.
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The answer is now shown.

@@QUES 010105t XYF Q,0,0,356,333
One of the mechanisms used to detect a topological change is the failure of OSPF to receive a Hello packet from its neighbor within a timing window called a  _  timer.
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Choose an option to fill the blank.
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Hello
%010keepalive
%010dead
%010down
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3
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20
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Correct.
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Incorrect. The correct option is now highlighted.
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The full statement is now shown.

@@QUES 010106t SXY Q,0,0,295,298
What is the default value of the dead timer on a non-broadcast network?
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Choose an option.
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10 seconds
40 seconds
2 minutes
30 minutes
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3
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20
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Correct.
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Incorrect. The correct option is now highlighted.

@@QUES 010201t XYF Q,0,0,314,330
LSAs are generated every  _  as a method of ensuring topological database synchronization.
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Choose an option to fill the blank.
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10 seconds
30 seconds
2 minutes
30 minutes
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4
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20
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Correct.
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Incorrect. The correct option is now highlighted.
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The full statement is now shown.

@@QUES 010202t SXY Q,173,434,294,367
When a router receives an LSA it checks it against the existing entries in its topological database.

What does it do if they are identical?
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Choose an option.
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Nothing
It resets its 30 minute timer
It forwards the LSA on throughout the network
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2
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15
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Correct.
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Incorrect. The correct option is now highlighted.

@@QUES 010203t SXY Q,132,405,418,284
How does a router update its topological database if it finds that it does not match with an LSA it has received?
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Choose an option.
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It requests a new copy of the database
It runs its SPF algorithm
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2
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15
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Correct.
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Incorrect. The correct option is now highlighted.
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