@@QUES 050101 DTF Q,106,364,392,335
Try to decide which option goes in which blank.

The primary difference between routing and bridging is that switching occurs at the  _  layer of the OSI model while routing occurs at the  _  layer.
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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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%010data link
%010network
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1
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That's right.
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In fact, it's the other way around.
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Incorrect.
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Incorrect.
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The full statement is now shown.

@@QUES 050102 XYF Q,123,402,342,338
See if you can choose the correct option to fill in the blank.

Routers determine the path to a destination using  _ .

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Choose an option to fill the blank.
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%010routed protocols
%010routing algorithms
%010switching
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They use a predefined algorithm.
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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 050103 T/F Q,136,408,316,335
Do you think the following statement is true or false?

The route information contained in a routing table is the same no matter what routing algorithm is used.
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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 050104 MXY Q,131,409,326,336
Which of the following do you think could constitute a routing update message?
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Choose each appropriate item.
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A portion of a routing table
An entire routing table
A routing algorithm
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1,2
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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 050105 MXY Q,277,452,333,369
Which of the following metrics do you think are used by routing algorithms?

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Choose each appropriate item.
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Path length
Reliability
Delay
Ticks
Hop count
Bandwidth
Load
Communication cost
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1,2,3,4,5,6,7,8
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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 050106 XYF Q,120,367,350,334
See if you can choose the correct option to fill in the blank.

Every time the route passes through  _  it is deemed to be a hop.
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Choose an option to fill the blank.
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%010a network
%010a network link
%010an internetwork node
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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 050107 Y/N Q,140,371,318,271
Do you think that delay is dependent on the bandwidth of intermediary links?
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1
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You're right.
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In fact, the answer is Yes.
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The answer is Yes.

@@QUES 050108 T/F Q,127,421,316,334
Do you think the following statement is true or false?

The route with the highest bandwidth is always the best route to choose.
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2
|

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That's right.
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Actually, it's not.
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The statement is false.

@@QUES 050109 Y/N Q,137,376,314,288
Do you think that routing algorithms can base route selection on multiple metrics?
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1
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You're right.
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In fact, they can.
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The answer is Yes.

@@QUES 050110 XYF Q,296,439,322,367
See if you can choose the correct option to fill in the blank.

If the router knows how to forward the packet it changes the  _  address of the packet to that of the next hop and transmits the packet.
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Choose an option to fill the blank.
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%010network
%010data link
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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 050201 Y/N Q,134,340,292,281
Do you think that each device on an internetwork requires a unique node address?
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1
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You're right.
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In fact, the answer is Yes.
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The answer is Yes.

@@QUES 050202 Y/N Q,146,421,282,297
Do you think that any device on an internetwork could have more than one node address?
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1
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You're right.
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In fact, the answer is Yes.
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The answer is Yes.

@@QUES 050203 XYF Q,112,447,370,429
See if you can choose the correct option to fill in the blank.

Node addresses exist at the  _  layer of the OSI reference model.

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Choose an option to fill the blank.
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%010physical
%010data-link
%010network
%010transport
%010session
%010presentation
%010application
|

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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 050204 T/F Q,121,371,335,321
Do you think the following statement is true or false?

The network address hierarchy is the same no matter what protocol is being used.
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2
|

|
That's right.
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Actually, the statement is false.
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The statement is false.

@@QUES 050205 MXY Q,116,378,331,335
Which of the following protocols do you think use a two-part addressing scheme?
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Choose each appropriate item.
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TCP/IP
Novell IPX
AppleTalk
|

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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. The correct options are now highlighted.
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The correct options are highlighted.

@@QUES 050206 SXY Q,114,381,369,350
What do you think the mask number is used for?
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Choose an option.
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The mask number identifies the physical address of the device
The mask number identifies which part of the IP address the router should interpret as the network number
The mask number identifies the protocol being used
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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 050207 T/F Q,128,359,322,330
Do you think the following statement is true or false?

The node address is derived automatically from the MAC address of the specific LAN device.
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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 050208 T/F Q,272,450,318,333
Do you think the following statement is true or false?

The node address for Apple machines on an AppleTalk network is assigned by a central authority.
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2
|

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That's right.
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In fact, it isn't.
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The statement is false.


@@QUES 050209 SXY Q,128,377,350,350
How do you think the router knows the length of the prefix?
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Choose an option.
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It is set by the network administrator
Router "deduces" prefixes based on information recieved from neighbors
The source of the packet transmits the prefix length before transmitting the packet itself
|

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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 050210 T/F Q,147,398,302,297
Do you think the following statement is true or false?

Classful routers accept only one prefix length.
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2
|

|
That's right.
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Actually, the statement is false.
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The statement is false.



@@QUES 050301 T/F Q,140,379,298,346
Do you think the following statement is true or false?

Two routing algorithms using different metrics will always determine the same route to be the optimal route to the destination.
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2
|

|
That's right.
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Actually, they won't.
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The statement is false.

@@QUES 050302 T/F Q,129,412,330,340
Do you think the following statement is true or false?

Because routers are located at network junction points they do not cause problems if they fail.
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2
|

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That's right.
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Actually, they do.
|
The statement is false.

@@QUES 050303 Y/N Q,168,375,258,293
Do you think all routers in a network using a single protocol will agree on optimal routes?
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1
|

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You're right.
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In fact, the answer is Yes.
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The answer is Yes.

@@QUES 050304 SXY Q,283,445,313,338
What do you think will happen next?
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Choose an option.
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The packet will be discarded by Router A
Router A will forward the packet on to a router other than Router B
Router A will send the packet back to Router B again
|

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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 050401 XYF Q,147,412,291,332
See if you can choose the correct option to fill in the blank.

_  protocols are protocols that are routed over an internetwork.
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Choose an option to fill the blank.
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Routed
Routing
|

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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.
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The full statement is now shown.

@@QUES 050402 DTF Q,344,447,283,348
Try to decide which option goes in which blank.

Packets are generally conveyed from  _  -system to  _  -system.
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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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%010intermediate
%010end
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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 050403 XYF Q,120,359,350,337
See if you can choose the correct option to fill in the blank.

Routing protocols allow routers to communicate in order to maintain and update  _ .
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Choose an option to fill the blank.
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%010routing algorithms
%010routing tables
%010routed protocols
|

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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 050404 T/F Q,152,394,293,315
Do you think the following statement is true or false?

Routing protocol messages carry user data.
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2
|

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That's right.
|
Actually, they don't.
|
The statement is false.

@@QUES 050101t SXY Q,0,0,304,384
At which layer of the OSI model does routing occur?

|
Choose an option.
|
Application
Presentation
Session
Transport
Network
Data link
Physical
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5
|
35
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Correct.
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Incorrect. The correct option is now highlighted.

@@QUES 050102t SXY Q,0,0,350,350
Which of the following statements is true?
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Choose an option.
|
All routing tables contain the same type of information
Route information varies depending on the routing algorithm being used
A routing algorithm can use only one metric
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2
|
15
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Correct.
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Incorrect. The correct option is now highlighted.

@@QUES 050103t XYF Q,0,0,350,350
The  _  metric refers to the length of time required to move a packet from source to destination through the internetwork.
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Choose an option to fill the blank.
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%010path length
%010delay
%010bandwidth
%010load
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2
|
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 050104t MXY Q,0,0,336,363
Which of the following statements about routing metrics is/are true?
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Choose each appropriate item.
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The route with the highest bandwidth is always the best route to choose
Load refers to the degree to which a network resource, such as a router, is busy
Some routing algorithms can base route selection on multiple metrics
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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 050105t DTF Q,0,0,398,303
As the packet is switched through an internetwork, its  _  address changes but its  _  address remains the same.
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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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%010network
%010data link
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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 050201t MXY Q,0,0,350,350
Which of the following statements is/are true?
|
Choose each appropriate item.
|
Each device on an internetwork should have a unique node address
Network addresses on an internetwork do not need to be unique
The node address may refer to a device's specific port on the network
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1,3
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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 050202t MXY Q,0,0,370,350
Which of the following statements is/are true?
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Choose each appropriate item.
|
Routers can have multiple node addresses
For most LANs, data link addresses are resident in the interface circuitry
Node addresses may exist at the network layer of the OSI reference model
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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. The correct options are now highlighted.
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You have not made any correct choices. The correct options are now highlighted.

@@QUES 050203t XYF Q,0,0,340,315
_  addresses are usually hierarchical.
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Choose an option to fill the blank.
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Physical
Node
Network
Host
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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 050204t SXY Q,0,0,392,350
Which of the following protocols uses a mask number to identify the network part of the address?
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Choose an option.
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TCP/IP
Novell IPX
AppleTalk
X.25
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1
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20
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Correct.
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Incorrect. The correct option is now highlighted.

@@QUES 050205t SXY Q,0,0,350,350
If a device's TCP/IP address is 10.10.8.42, and the mask used is 255.255.0.0, what is the host address of the device?
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Choose an option.
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10.10.8.42
10.8.42
8.42
10.10.8
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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 050206t SXY Q,0,0,350,350
Which TCP/IP class uses 24 bits for the network address and the remaining 8 bits for the node address?
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Choose an option.
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Class A
Class B
Class C
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3
|
15
|
Correct.
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Incorrect. The correct option is now highlighted.

@@QUES 050207t SXY Q,0,0,350,328
In a TCP/IP network that is divided into subnetworks, who assigns the subnet number?
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Choose an option.
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The NIC
A central authority
The local network administrator
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3
|
15
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Correct.
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Incorrect. The correct option is now highlighted.

@@QUES 050208t SXY Q,0,0,372,377
In a Novell IPX address, how is the node address assigned?
|
Choose an option.
|
The node address is derived automatically from the MAC address of the specific LAN device
The node address is assigned by the local administrator
The node address is assigned by a central authority
|
1
|
15
|
Correct.
|
Incorrect. The correct option is now highlighted.

@@QUES 050301t SXY Q,0,0,303,288
Which type of addressing uses a prefix of any length?
|
Choose an option.
|
Classless addressing
Classful addressing
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1
|
10
|
Correct.
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Incorrect. The correct option is now highlighted.

@@QUES 050302t FIB Q,0,0,350,213
If a classless router receives a packet with the address 145.108.18.0/18, how long is the prefix?           _____________

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Type a number.
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10
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18, eighteen, 18 bits, eighteen bits, 18-bits
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That's right.
|

|

|
Yes, but the word used here is "".
|

|

|

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Incorrect.
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The answer is now shown.

@@QUES 050303t SXY Q,0,0,294,302
Which IP address class has a prefix length of 16 bits?
|
Choose an option.
|
Class A
Class B
Class C
|
2
|
15
|
Correct.
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Incorrect. The correct option is now highlighted.

@@QUES 050304t MXY Q,0,0,350,350
Which of the following statements is/are true?
|
Choose each appropriate item.
|
When a router examines an IP address it can tell the prefix length by the first few bits of the address
Classful routers accept a prefix of any length
In classless routing an indication of the length of the prefix is carried with the IP address
|
1
|
21
|
Correct.
|
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 050401t MXY Q,0,0,415,387
Which of the following statements about routing metrics is/are true?
|
Choose each appropriate item.
|
Routing algorithms are generally not designed to cope with unusual or unforeseen circumstances
Routing algorithms should offer their functionality efficiently with the minimum of software and hardware resource utilization overhead
What constitutes the best route depends on the metrics and metric weightings used to make the calculation
|
2,3
|
21
|
Correct.
|
7 per correct decision
|
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 050402t XYF Q,0,0,361,274
Routing algorithms should converge  _ .
|
Choose an option to fill the blank.
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%010slowly
%010rapidly
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2
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10
|
Correct.
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Incorrect. The correct option is now highlighted.
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The full statement is now shown.

@@QUES 050403t MXY Q,0,0,329,323
Routing algorithms can be programmed to adapt to which of the following changes?
|
Choose each appropriate item.
|
Network bandwidth
Router queue size
Network delay
|
1,2,3
|
21
|
Correct.
|
7 per correct decision
|
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 050501t DTF Q,0,0,311,301
By providing mechanisms for sharing information, _  protocols support  _  protocols by providing mechanisms for sharing routing information.
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Choose an option to fill the first blank.
|
Choose an option to fill the second blank.
|
%010routing
%010routed
|
1
|
Correct.
|
10
|
Incorrect. It's the other way around.
|
0
|
Incorrect.
|
0
|
Incorrect.
|
0
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The full statement is now shown.

@@QUES 050502t MXY Q,0,0,350,350
Which of the following are routed protocols?
|
Choose each appropriate item.
|
Internet Protocol (IP)
Open Shortest Path First (OSPF)
AppleTalk
Border Gateway Protocol (BGP)
NetWare
|
1,3,5
|
30
|
Correct.
|
6 per correct decision
|
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 050503t MXY Q,0,0,350,350
Which of the following are routing protocols?
|
Choose each appropriate item.
|
Exterior Gateway Protocol (EGP)
Routing Information Protocol (RIP)
DECnet
Banyan VINES
|
1,2
|
24
|
Correct.
|
6 per correct decision
|
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.
