@@QUES 030101 SXY Q,141,374,296,347
Which of the following do you think describes a physical bus topology?
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Choose an option.
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Each device is directly linked to all other devices
Devices are linked in a circular fashion, each device being linked to two other devices
Devices are directly connected to a central backbone.
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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 030102 FIB Q,144,309,297,247
See if you can guess what word goes in the blank.

The 10Base5 wiring standard is known as  _______  Ethernet.
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Type the missing word.
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Bear in mind that this standard is in contrast to 10Base2.
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thick, Thick
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That's right.
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Yes, but the word used here is "thick".
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Try again.
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|

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That's not the word required here. Try again.
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The missing word is "thick".
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The full statement is now shown.

@@QUES 030103 XYF Q,126,406,319,346
See if you can choose the correct option to fill in the blank.

The 10BaseT wiring standard carries Ethernet frames on _ .
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Choose an option to fill the blank.
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%010optic fibre
%010twisted pair wiring
%010coaxial cabling
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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 030104 SXY Q,150,346,284,297
Which devices on the LAN do you think receive the message?
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Choose an option.
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All devices
The destination device only
The adjacent devices only
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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 030105 T/F Q,151,382,269,315
Do you think the following statement is true or false?

If the message is not destined for a device, the device ignores it.
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1
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That's right.
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In fact, it does.
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The statement is true.

@@QUES 030106 T/F Q,137,390,310,317
Do you think the following statement is true or false?

Broadcasting on a LAN does not affect the performance of devices on the LAN.
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2
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That's right.
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Actually, it can significantly impact on the performance.
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The statement is false.

@@QUES 030107 Y/N Q,144,440,293,257
Do you think that two devices could attempt to transmit at the same time?
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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 030108 SXY Q,131,387,317,294
What do you think a transmitting device does if it recognises a collision?
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Choose an option.
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It sends out a jamming signal
It ceases all transmissions
It continues to transmit regardless
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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 030109 DTF Q,119,392,358,313
Try to decide which option goes in which blank.

Logically, a Token Ring network is a  _  , but it is physically laid out as a  _ .
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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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%010star
%010ring
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2
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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 030110 Y/N Q,153,342,284,271
Do you think a Token Ring network can have more than eight stations?
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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 030111 T/F Q,150,396,288,314
Do you think the following statement is true or false?

Token Ring uses the LAN medium in the same way as Ethernet.
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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 030112 XYF Q,323,368,297,347
See if you can choose the correct option to fill in the blank.

No station can dominate the cable and therefore the network administrator  _  accurately determine and plan network performance.
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Choose an option to fill the blank.
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%010can
%010cannot
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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 030113 Y/N Q,152,359,290,270
Do you think stations on a Token Ring network use MAC addresses?
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1
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You're right.
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In fact, they do.
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The answer is Yes.

@@QUES 030114 SXY Q,112,402,355,338
What do you think happens to the frame next?
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Choose an option.
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The receiving station discards the frame and generates a new token
The frame continues around the ring until it returns to the originating station
The frame is sent back to the originating station in the reverse direction
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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 030115 T/F Q,180,386,232,312
Do you think the following statement is true or false?

Token Ring networks are very prone to collisions.
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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 030116 XYF Q,106,418,378,374
See if you can choose the correct option to fill in the blank.

Once a frame has been seized and transmitted as an information frame, only stations with  _ priority than the transmitting station can reserve the token for the next pass around the network.
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Choose an option to fill the blank.
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%010a higher
%010a lower
%010an equal
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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 030117 SXY Q,124,411,340,359
If an originating station fails, what do you think happens to its frame?
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Choose an option.
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The originating station removes it from the network
It circulates the network until it once again reaches the destination station where it is removed from the network
It continually circulates the network until an active monitor removes it
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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 030118 SXY Q,318,384,306,336
Which of the following do you think would indicate to an originating station that its data had been successfully transferred to the correct destination?
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Choose an option.
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A=0 and C=0
A=0 and C=1
A=1 and C=0
A=1 and C=1
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4
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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 030201 DTF Q,137,343,333,323
Try to decide which option goes in which blank.

It was developed for  _  speed LANs with  _  bandwidth requirements such as video and CAD/CAM.
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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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%010high
%010low
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3
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That's right.
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Incorrect.
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Incorrect.
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That's not correct.
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The full statement is now shown.

@@QUES 030202 SXY Q,168,386,242,312
Which of the following media do you think FDDI uses?
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Choose an option.
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Twisted pair
Coaxial cable
Optical fiber
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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 030203 T/F Q,180,357,228,319
Do you think the following statement is true or false?

Data travels in the same direction on both rings.
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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 030204 Y/N Q,181,332,244,257
Do you think FDDI uses a token passing protocol?
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1
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You're right.
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In fact, it does.
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The answer is Yes.

@@QUES 030205 T/F Q,282,451,232,302
Do you think the following statement is true or false?

Only one frame can circle the ring at any one time.
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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 030206 T/F Q,132,383,326,299
Do you think the following statement is true or false?

FDDI stations do not use MAC addresses.
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2
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That's right.
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Actually, they do.
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The statement is false.

@@QUES 030207 SXY Q,152,399,284,335
What do you think a station does if it doesn't receive a token within a predetermined time period?
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Choose an option.
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Nothing
It generates a token
It sends out special frames to try to identify the failure
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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 030208 Y/N Q,134,353,317,276
Do you think ATM is dependent on a particular physical layer implementation?
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2
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You're right.
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In fact, it isn't.
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The answer is No.

@@QUES 030209 T/F Q,135,399,319,325
Do you think the following statement is true or false?

ATM is not suited to applications whose transmissions are of a bursty nature.
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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 030101t SXY Q,0,0,295,326
Which of these Ethernet wiring standards is known as ^Rthin Ethernet^r?
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Choose an option.
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10Base2
10Base5
10BaseT
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1
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15
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Correct.
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Incorrect. The correct option is now highlighted.

@@QUES 030102t Y/N Q,0,0,282,277
Can an Ethernet LAN use twisted pair wiring?
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1
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10
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Correct.
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Incorrect. The answer is Yes.

@@QUES 030103t MXY Q,0,0,350,350
Which of the following statements about Ethernet is/are true?
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Choose each appropriate item.
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In an Ethernet network, when a device broadcasts data, the transmission crosses the entire network
It is not possible to broadcast on an Ethernet LAN
The Ethernet specification describes a CSMA/CD LAN
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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 030104t SXY Q,0,0,261,293
Which of the following provides deterministic access?
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Choose an option.
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Ethernet
Token Ring
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2
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10
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Correct.
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Incorrect. The correct option is now highlighted.

@@QUES 030105t DTF Q,0,0,300,297
Logically a Token Ring network is a  _ : physically it is a  _ .
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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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%010ring
%010star
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1
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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 030106t XYF Q,0,0,318,331
Stations can find other stations on a Token Ring network using a mechanism known as  _  packets.
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Choose an option to fill the blank.
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%010beacon
%010explorer
%010broadcast
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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 030107t MXY Q,0,0,403,365
Which of the following statements about Token Ring networks is/are true?

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Choose each appropriate item.
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Some Token Ring networks use a priority system that permits certain user-designated stations to use the network more frequently
All stations on a Token Ring network can simultaneously transmit data
Active monitor stations can remove lost tokens from a Token Ring 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 030201t SXY Q,0,0,289,330
Over which physical medium does FDDI operate?
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Choose an option.
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Copper twisted pair
Optical fiber
Coaxial cable
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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 030202t MXY Q,0,0,350,402
Which of the following statements about FDDI is/are true?

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Choose each appropriate item.
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FDDI provides contention-based media access
The two rings in an FDDI network can be used simultaneously to achieve athroughput of 200 Mbps
SASs are usually critical stations such as routers or mainframe hosts
At any given time on an FDDI network, several information frames can be circling the ring
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2,4
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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 030203t DTF Q,0,0,331,278
FDDI is logically a  _  and physically a  _ .
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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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%010star
%010ring
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4
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Correct.
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10
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Incorrect.
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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 030204t SXY Q,0,0,371,350
If a station on an FDDI network has not received a token for a predetermined period it will send out beacon frames to try to isolate the failure.

If it receives its own beacon frame back what can it assume?
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Choose an option.
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It has caused the failure itself
The failure has been rectified
The failure is one station to either side of it
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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 030205t FIB Q,0,0,315,227
ATM is a  _____  relay technology capable of very high speeds.
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Type the missing word.
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10
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%008cell
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That's right.
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Yes, but the word used here is "cell".
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|

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Incorrect. The missing word is "cell".
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The full statement is now shown.

@@QUES 030206t MXY Q,0,0,350,350
Which of the following applications can ATM support?
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Choose each appropriate item.
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Interactive multimedia
Real-time video services
Client/server databases
Interconnection of existing networks
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1,2,3,4
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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.
