@@QUES 020101 SXY Q,83,350,425,324
Which of the following statements do you think is true?
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Choose an option.
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Neighbor relationships are automatically formed in a non-broadcast multiaccess network
Neighbor relationships must be manually configured in a non-broadcast multiaccess network
Neighbor relationships are not formed between routers in non-broadcast multiaccess network
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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 020102 T/F Q,137,342,318,305
Do you think the following statement is true or false?

The DR is responsible for generating LSAs for the entire multiaccess network.
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1
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That's right.
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In fact, it is.
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The statement is true.

@@QUES 020103 DTF Q,115,390,371,311
Try to decide which option goes in which blank.

The designated router approach  _  the amount of network traffic and  _  the size of the topological database.
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Choose an option to fill the first blank.
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Choose an option to fill the second blank.
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%010increases
%010decreases
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4
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That's right.
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That's not correct.
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Incorrect.
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Incorrect.
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The full statement is now shown.

@@QUES 020104 MXY Q,120,341,346,292
Which of the following do you think responds to the new router announcing its presence?
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Choose each appropriate item.
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All routers on the network
The DR
The BDR
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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. The correct options are now highlighted.
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The correct options are highlighted.

@@QUES 020105 SXY Q,124,350,350,326
What do you think the BDR does if it doesn't receive the LSA before its timer runs out?
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Choose an option.
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It sends out the LSAs itself
It sends a message to the DR indicating that it has not received the LSA
It becomes the DR and the Hello protocol elects a new BDR
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3
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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 020201 SXY Q,121,344,350,320
Which of the following do you think most accurately describes an AS?
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Choose an option.
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A single network operating over one type of media
A collection of networks under a common administration, sharing a common routing strategy
A collection of networks geographically located closely together
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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 020202 XYF Q,163,383,265,306
See if you can choose the correct option to fill in the blank.

An area's topology is  _  to entities outside the area.
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Choose an option to fill the blank.
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%010visible
%010invisible
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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 020203 Y/N Q,178,336,247,258
Do you think a router can be part of more than one area?
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1
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You're right.
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In fact, it can.
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The answer is Yes.

@@QUES 020204 T/F Q,189,355,228,300
Do you think the following statement is true or false?

The backbone is not considered to be an area.
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2
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That's right.
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Actually, it is.
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The statement is false.

@@QUES 020205 XYF Q,169,373,271,330
See if you can choose the correct option to fill in the blank.

Routers that have  _  neighbors have the most work to do when link-state changes occur.
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Choose an option to fill the blank.
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%010few
%010no
%010many
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3
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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 020206 T/F Q,106,381,249,325
Do you think the following statement is true or false?

It is a good idea to select the same router to be the DR on several LANs simultaneously.
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2
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That's right.
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Actually, it isn't.
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The statement is false.

@@QUES 020207 T/F Q,140,358,317,322
Do you think the following statement is true or false?

If the link quality is high and the number of routes small, the number of routers in the backbone can be increased.
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1
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That's right.
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In fact, the statement is true.
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The statement is true.

@@QUES 020208 Y/N Q,153,300,280,252
Do you think you can use a virtual link to heal a partitioned backbone?
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1
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You're right.
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In fact, you can.
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The answer is Yes.

@@QUES 020209 T/F Q,136,391,314,316
Do you think the following statement is true or false?

It is good practice to place hosts, such as workstations, file servers, or other shared resources, in the backbone area.
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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 020210 T/F Q,161,325,273,295
Do you think the following statement is true or false?

All routers in a contiguous area share a common network medium.
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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 020211 Y/N Q,152,432,293,257
Do you think you can use virtual links to reconnect a partitioned area?
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2
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You're right.
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In fact, you can't.
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The answer is No.

@@QUES 020212 SXY Q,108,430,382,319
Which of the following statements do you think is true about network links advertisements (NLAs)?
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Choose an option.
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They are sent by all routers within an area
They are sent by area border routers
They are sent by designated routers
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3
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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 020213 XYF Q,126,399,333,333
See if you can choose the correct option to fill in the blank.

Summary links advertisements (SLAs) are generated by  _ .
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Choose an option to fill the blank.
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ABRs
DRs
%010all routers in an area
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1
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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 020214 Y/N Q,152,362,280,265
Do you think summary LSAs cause the SPF algorithm to be run?
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2
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You're right.
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In fact, they don't.
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The answer is No.

@@QUES 020215 Y/N Q,155,341,281,286
Do you think stub areas carry AS external route advertisements?
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2
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You're right.
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In fact, the answer is No.
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The answer is No.

@@QUES 020216 T/F Q,132,345,302,324
Do you think the following statement is true or false?

Non-stub areas are the least resource-intensive type of area.
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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 020301 SXY Q,113,407,373,346
Which type of packet is sent at regular intervals to establish and maintain neighbor relationships?
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Choose an option.
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Hello packet
Database description packet
Link-state request packet
Link-state update packet
Link-state acknowledgment packet
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1
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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 020302 SXY Q,118,355,359,318
When do you think link-state request packets are exchanged?
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Choose an option.
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After a router has examined a database description packet and discovered that parts of its own database are out of date
When adjacencies are being initialized
As a response to a Hello packet
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1
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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 020303 T/F Q,128,357,310,313
Do you think the following statement is true or false?

Link state update packets are also used for the regular dispersal of LSAs.
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1
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That's right.
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In fact, the statement is true.
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The statement is true.

@@QUES 020304 T/F Q,177,373,228,301
Do you think the following statement is true or false?

The Checksum field is used for error checking.
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1
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That's right.
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In fact, the statement is true.
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The statement is true.

@@QUES 020305 T/F Q,168,362,245,316
Do you think the following statement is true or false?

All OSPF protocol exchanges are authenticated.
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1
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That's right.
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In fact, the statement is true.
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The statement is true.

@@QUES 020101t SXY Q,174,395,283,312
In which type of network connection are neighbor relationships formed by a manual configuration process?
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Choose an option.
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%010point-to-point
%010non-broadcast multiaccess
%010multiaccess
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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 020102t SXY Q,0,0,316,311
In which type of network connection does the Hello protocol elect a designated router and a backup designated router?
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Choose an option.
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%010point-to-point
%010non-broadcast multiaccess
%010multiaccess
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3
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15
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Correct.
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Incorrect. The correct option is now highlighted.

@@QUES 020103t MXY Q,0,0,418,362
Which of the following statements is/are true?
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Choose each appropriate item.
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In a non-broadcast multiaccess network, all routers communicate with all other OSPF routers
In a multiaccess network the DR is responsible for generating LSAs for the entire network
In a multiaccess network neighbor relationships are formed based on a dynamic learning process using multicast Hellos
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2,3
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21
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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 020201t XYF Q,0,0,308,296
The largest entity within the hierarchy is the  _ .
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Choose an option to fill the blank.
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%010backbone
%010area
%010autonomous system (AS)
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3
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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 020202t FIB Q,0,0,294,186
All ABRs are connected together to form an OSPF  _________ .
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Type the missing word.
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15
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%008backbone
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That's right.
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Yes, but the word used here is "backbone".
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Incorrect. The missing word is "backbone".
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The full statement is now shown.

@@QUES 020203t XYF Q,0,0,329,290
To maximize network stability, one router should not be in more than  _  areas.
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Choose an option to fill the blank.
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%010two
%010three
%010ten
%010fifty
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2
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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 020204t MXY Q,149,419,347,361
Which of the following statements about OSPF backbones is/are true?
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Choose each appropriate item.
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All routers in the backbone should be directly connected to other backbone routers
As a general rule the backbone should contain no more than 50 routers
A virtual link cannot be used to heal a partitioned backbone
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1,2
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21
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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 020205t MXY Q,0,0,350,350
Which of the following statements about areas is/are true?
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Choose each appropriate item.
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You cannot use virtual links to reconnect a partitioned area
Areas can have a single ABR or multiple ABRs
Each area should have a contiguous set of network and/or subnet addresses
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1,2,3
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21
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Correct.
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7 per correct decision
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Partly right. All the options are correct and are now highlighted.
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You have not made any correct choices. All the options are correct and are now highlighted.

@@QUES 020206t SXY Q,165,401,396,293
Which type of LSAs are sent by designated routers?
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Choose an option.
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RLAs
NLAs
SLAs
AS external links advertisements
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2
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20
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Correct.
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Incorrect. The correct option is now highlighted.

@@QUES 020301t DTF Q,0,0,344,272
A  _  packet is sent as a response to a  _  packet.
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Choose an option to fill the first blank.
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Choose an option to fill the second blank.
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%010link-state request
%010link-state update
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2
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Correct.
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10
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Incorrect. It's the other way around.
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0
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Incorrect.
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0
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Incorrect.
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0
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The full statement is now shown.

@@QUES 020302t MXY Q,0,0,350,350
Which of the following statements is/are true?
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Choose each appropriate item.
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Link-state update packets must be explicitly acknowledged
Several LSAs can be included within a single packet
Link-state request packets are used for the regular dispersal of LSAs
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1,2
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21
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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.
