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| SpecialK@keeloogs.com 2002-09-08, 10:29 pm |
| You have a token ring network which can communicate with Server A and
an Ethernet network which can communicate with Server B but the two
cannot talk to each other. Which failed?
A. Hub
B. Router
C. Bridge
D. Switch
My answer was Router (because of Token Ring Server A and Ethernet
Server B are two different protocols). I was amazed that the answer
was A.HUB -- any input on this....or am I studying too much already.
| |
| Russ S 2002-09-09, 12:29 am |
| I would be guessing that the hub was the link between the server A and
server B. The token ring / ethernet is just something to confuse the issue
and the real question is server to server.
| |
| Russ S 2002-09-09, 1:29 am |
| I would be guessing that the hub was the link between the server A and
server B. The token ring / ethernet is just something to confuse the issue
and the real question is server to server.
| |
| Gareth 2002-09-09, 7:28 am |
|
"Russ S" <noway@nohow.com> wrote in message
news:QvWe9.4654$Y3.894969@news.xtra.co.nz...
> I would be guessing that the hub was the link between the server A and
> server B. The token ring / ethernet is just something to confuse the
issue
> and the real question is server to server.
>
>
Strictly speaking, how could it ever be a router? Routers are protocol
dependant, as are bridges.
SpecialK: are you sure the question didn't come with diagram of some kind?
The question is highly ambiguous otherwise. Having said that, working on the
basis that routers and bridges are protocol dependant and could never
interconnect the two networks, that leaves only a hub and a switch. On the
*very* flaky premise that switches are only installed in backbone operations
due to being more expensive than hubs (and often providing un-necessary
functions, such as VLANs etc), this would leave the hub.
Cheers.
G.
| |
| Gareth 2002-09-09, 8:28 am |
|
"Russ S" <noway@nohow.com> wrote in message
news:QvWe9.4654$Y3.894969@news.xtra.co.nz...
> I would be guessing that the hub was the link between the server A and
> server B. The token ring / ethernet is just something to confuse the
issue
> and the real question is server to server.
>
>
Strictly speaking, how could it ever be a router? Routers are protocol
dependant, as are bridges.
SpecialK: are you sure the question didn't come with diagram of some kind?
The question is highly ambiguous otherwise. Having said that, working on the
basis that routers and bridges are protocol dependant and could never
interconnect the two networks, that leaves only a hub and a switch. On the
*very* flaky premise that switches are only installed in backbone operations
due to being more expensive than hubs (and often providing un-necessary
functions, such as VLANs etc), this would leave the hub.
Cheers.
G.
| |
| MCSEwannabe 2002-09-09, 9:29 am |
| SpecialK@keeloogs.com wrote:
> You have a token ring network which can communicate with Server A and
> an Ethernet network which can communicate with Server B but the two
> cannot talk to each other. Which failed?
>
> A. Hub
> B. Router
> C. Bridge
> D. Switch
>
> My answer was Router (because of Token Ring Server A and Ethernet
> Server B are two different protocols). I was amazed that the answer
> was A.HUB -- any input on this....or am I studying too much already.
I agree with your answer. I don't see how 'hub' can be correct if the
individual networks are each still working correctly.
| |
| SpecialK@keeloogs.com 2002-09-09, 9:29 am |
| No it did not gave a diagram (that would be too easy). Okey, I am
really getting lost here. So I reference back to my study book (Net+
Passport by Mike Myers).
HUB - "Some hubs also include connectors for different media types -
BNC, AUI, or fiber --but they cannot interface between networks that
are based on different technologies (for example, Ethernet to Token
Ring."
Bridges -" Bridges also exist for other technologies such as Token
Ring but they cannot connect an Ethernet network to a Token Ring
network because of differences in the structure of the packets"
Routers - "Because routers can change the nature of data packets
(example, convert them from Ethernet ones to Token Ring ones or vice
versa), and because routers can make decisions about the path a data
packet takes between networks, they are sadi to operate at layer 3 of
the OSI model."
Is the author giving me a misinformation here....and I thought I have
down.
SpecialK
On Mon, 9 Sep 2002 12:30:21 +0000 (UTC), "Gareth" <gaz@gaz.org> wrote:
>
>"Russ S" <noway@nohow.com> wrote in message
>news:QvWe9.4654$Y3.894969@news.xtra.co.nz...
>> I would be guessing that the hub was the link between the server A and
>> server B. The token ring / ethernet is just something to confuse the
>issue
>> and the real question is server to server.
>>
>>
>
>Strictly speaking, how could it ever be a router? Routers are protocol
>dependant, as are bridges.
>
>SpecialK: are you sure the question didn't come with diagram of some kind?
>The question is highly ambiguous otherwise. Having said that, working on the
>basis that routers and bridges are protocol dependant and could never
>interconnect the two networks, that leaves only a hub and a switch. On the
>*very* flaky premise that switches are only installed in backbone operations
>due to being more expensive than hubs (and often providing un-necessary
>functions, such as VLANs etc), this would leave the hub.
>
>Cheers.
>
>G.
>
| |
| SpecialK@keeloogs.com 2002-09-09, 9:29 am |
| The fact still is that Ethernet 1's and 0's packets are not the same
as Token Ring 1's and 0's packets....Thats how I put it.
On Mon, 9 Sep 2002 17:40:52 +1200, "Russ S" <noway@nohow.com> wrote:
>I would be guessing that the hub was the link between the server A and
>server B. The token ring / ethernet is just something to confuse the issue
>and the real question is server to server.
>
| |
| MCSEwannabe 2002-09-09, 10:29 am |
| SpecialK@keeloogs.com wrote:
> You have a token ring network which can communicate with Server A and
> an Ethernet network which can communicate with Server B but the two
> cannot talk to each other. Which failed?
>
> A. Hub
> B. Router
> C. Bridge
> D. Switch
>
> My answer was Router (because of Token Ring Server A and Ethernet
> Server B are two different protocols). I was amazed that the answer
> was A.HUB -- any input on this....or am I studying too much already.
I agree with your answer. I don't see how 'hub' can be correct if the
individual networks are each still working correctly.
| |
| SpecialK@keeloogs.com 2002-09-09, 10:29 am |
| No it did not gave a diagram (that would be too easy). Okey, I am
really getting lost here. So I reference back to my study book (Net+
Passport by Mike Myers).
HUB - "Some hubs also include connectors for different media types -
BNC, AUI, or fiber --but they cannot interface between networks that
are based on different technologies (for example, Ethernet to Token
Ring."
Bridges -" Bridges also exist for other technologies such as Token
Ring but they cannot connect an Ethernet network to a Token Ring
network because of differences in the structure of the packets"
Routers - "Because routers can change the nature of data packets
(example, convert them from Ethernet ones to Token Ring ones or vice
versa), and because routers can make decisions about the path a data
packet takes between networks, they are sadi to operate at layer 3 of
the OSI model."
Is the author giving me a misinformation here....and I thought I have
down.
SpecialK
On Mon, 9 Sep 2002 12:30:21 +0000 (UTC), "Gareth" <gaz@gaz.org> wrote:
>
>"Russ S" <noway@nohow.com> wrote in message
>news:QvWe9.4654$Y3.894969@news.xtra.co.nz...
>> I would be guessing that the hub was the link between the server A and
>> server B. The token ring / ethernet is just something to confuse the
>issue
>> and the real question is server to server.
>>
>>
>
>Strictly speaking, how could it ever be a router? Routers are protocol
>dependant, as are bridges.
>
>SpecialK: are you sure the question didn't come with diagram of some kind?
>The question is highly ambiguous otherwise. Having said that, working on the
>basis that routers and bridges are protocol dependant and could never
>interconnect the two networks, that leaves only a hub and a switch. On the
>*very* flaky premise that switches are only installed in backbone operations
>due to being more expensive than hubs (and often providing un-necessary
>functions, such as VLANs etc), this would leave the hub.
>
>Cheers.
>
>G.
>
| |
| SpecialK@keeloogs.com 2002-09-09, 10:29 am |
| The fact still is that Ethernet 1's and 0's packets are not the same
as Token Ring 1's and 0's packets....Thats how I put it.
On Mon, 9 Sep 2002 17:40:52 +1200, "Russ S" <noway@nohow.com> wrote:
>I would be guessing that the hub was the link between the server A and
>server B. The token ring / ethernet is just something to confuse the issue
>and the real question is server to server.
>
| |
| SilverSurfer 2002-09-09, 11:29 am |
| From David Groth's Network+ study guide (page 81):
Routers have many functions other than simply routing packets. Routers can
connect many small segments into a network, as well as connect networks to a
much larger network,....
Routers can also connect dissimilar lower-layer topologies. For example, you
can connect an Ethernet and a Token Ring network using a router.
<SpecialK@keeloogs.com> wrote in message
news:mLh8Pe+0d8gvorasMm73rLTVL
tjN@4ax.com...
> The fact still is that Ethernet 1's and 0's packets are not the same
> as Token Ring 1's and 0's packets....Thats how I put it.
>
>
> On Mon, 9 Sep 2002 17:40:52 +1200, "Russ S" <noway@nohow.com> wrote:
>
> >I would be guessing that the hub was the link between the server A and
> >server B. The token ring / ethernet is just something to confuse the
issue
> >and the real question is server to server.
> >
>
| |
| SilverSurfer 2002-09-09, 12:28 pm |
| From David Groth's Network+ study guide (page 81):
Routers have many functions other than simply routing packets. Routers can
connect many small segments into a network, as well as connect networks to a
much larger network,....
Routers can also connect dissimilar lower-layer topologies. For example, you
can connect an Ethernet and a Token Ring network using a router.
<SpecialK@keeloogs.com> wrote in message
news:mLh8Pe+0d8gvorasMm73rLTVL
tjN@4ax.com...
> The fact still is that Ethernet 1's and 0's packets are not the same
> as Token Ring 1's and 0's packets....Thats how I put it.
>
>
> On Mon, 9 Sep 2002 17:40:52 +1200, "Russ S" <noway@nohow.com> wrote:
>
> >I would be guessing that the hub was the link between the server A and
> >server B. The token ring / ethernet is just something to confuse the
issue
> >and the real question is server to server.
> >
>
| |
| LeAnne 2002-09-10, 3:29 pm |
| I'm due to take Net+ next month, and can't really comment on the question. However, I'm in the middle of A+ using M. Meyers A+ All in one book and taking the course at a technical college. Our Instructor says "do not" use the questions at the end of the chapters. We are using the Transcender. He states that the Transcender is the closest we'll come to actual test questions. I'm sure there are also other sample questions, sites, etc. one could go to, but I'm not as knowledgeable about such, as some of the others are. This is not intended to slight Mr. Meyers book in any way, as he writes excellent information on the subjects. As JimW said, there are plenty of errors in books, hence my Instructor's instructions. :-)
LeAnne
<SpecialK@keeloogs.com> wrote in message news:AbZ8PYfxRj5lN5LZRbXK5DGEC
m0e@4ax.com...
No it did not gave a diagram (that would be too easy). Okey, I am
really getting lost here. So I reference back to my study book (Net+
Passport by Mike Myers).
HUB - "Some hubs also include connectors for different media types -
BNC, AUI, or fiber --but they cannot interface between networks that
are based on different technologies (for example, Ethernet to Token
Ring."
Bridges -" Bridges also exist for other technologies such as Token
Ring but they cannot connect an Ethernet network to a Token Ring
network because of differences in the structure of the packets"
Routers - "Because routers can change the nature of data packets
(example, convert them from Ethernet ones to Token Ring ones or vice
versa), and because routers can make decisions about the path a data
packet takes between networks, they are sadi to operate at layer 3 of
the OSI model."
Is the author giving me a misinformation here....and I thought I have
down.
SpecialK
On Mon, 9 Sep 2002 12:30:21 +0000 (UTC), "Gareth" <gaz@gaz.org> wrote:
>
>"Russ S" <noway@nohow.com> wrote in message
>news:QvWe9.4654$Y3.894969@news.xtra.co.nz...
>> I would be guessing that the hub was the link between the server A and
>> server B. The token ring / ethernet is just something to confuse the
>issue
>> and the real question is server to server.
>>
>>
>
>Strictly speaking, how could it ever be a router? Routers are protocol
>dependant, as are bridges.
>
>SpecialK: are you sure the question didn't come with diagram of some kind?
>The question is highly ambiguous otherwise. Having said that, working on the
>basis that routers and bridges are protocol dependant and could never
>interconnect the two networks, that leaves only a hub and a switch. On the
>*very* flaky premise that switches are only installed in backbone operations
>due to being more expensive than hubs (and often providing un-necessary
>functions, such as VLANs etc), this would leave the hub.
>
>Cheers.
>
>G.
>
| |
| LeAnne 2002-09-10, 4:28 pm |
| I'm due to take Net+ next month, and can't really comment on the question. However, I'm in the middle of A+ using M. Meyers A+ All in one book and taking the course at a technical college. Our Instructor says "do not" use the questions at the end of the chapters. We are using the Transcender. He states that the Transcender is the closest we'll come to actual test questions. I'm sure there are also other sample questions, sites, etc. one could go to, but I'm not as knowledgeable about such, as some of the others are. This is not intended to slight Mr. Meyers book in any way, as he writes excellent information on the subjects. As JimW said, there are plenty of errors in books, hence my Instructor's instructions. :-)
LeAnne
<SpecialK@keeloogs.com> wrote in message news:AbZ8PYfxRj5lN5LZRbXK5DGEC
m0e@4ax.com...
No it did not gave a diagram (that would be too easy). Okey, I am
really getting lost here. So I reference back to my study book (Net+
Passport by Mike Myers).
HUB - "Some hubs also include connectors for different media types -
BNC, AUI, or fiber --but they cannot interface between networks that
are based on different technologies (for example, Ethernet to Token
Ring."
Bridges -" Bridges also exist for other technologies such as Token
Ring but they cannot connect an Ethernet network to a Token Ring
network because of differences in the structure of the packets"
Routers - "Because routers can change the nature of data packets
(example, convert them from Ethernet ones to Token Ring ones or vice
versa), and because routers can make decisions about the path a data
packet takes between networks, they are sadi to operate at layer 3 of
the OSI model."
Is the author giving me a misinformation here....and I thought I have
down.
SpecialK
On Mon, 9 Sep 2002 12:30:21 +0000 (UTC), "Gareth" <gaz@gaz.org> wrote:
>
>"Russ S" <noway@nohow.com> wrote in message
>news:QvWe9.4654$Y3.894969@news.xtra.co.nz...
>> I would be guessing that the hub was the link between the server A and
>> server B. The token ring / ethernet is just something to confuse the
>issue
>> and the real question is server to server.
>>
>>
>
>Strictly speaking, how could it ever be a router? Routers are protocol
>dependant, as are bridges.
>
>SpecialK: are you sure the question didn't come with diagram of some kind?
>The question is highly ambiguous otherwise. Having said that, working on the
>basis that routers and bridges are protocol dependant and could never
>interconnect the two networks, that leaves only a hub and a switch. On the
>*very* flaky premise that switches are only installed in backbone operations
>due to being more expensive than hubs (and often providing un-necessary
>functions, such as VLANs etc), this would leave the hub.
>
>Cheers.
>
>G.
>
| |
|
| To add to the confusion, here's what it's like in the real world ....
Hubs can come with multiple connectors - the most common being a UTP (RJ45) hub with a BNC connector on the back. This is designed to allow the hubs to be daisy chained in a standard thinwire bus format, but provide many utp connections as drops to the workstations. Other hubs have utp on the front and proprietary connections on the back to allow stacking where the proprietary connection links the hubs with special cables. All of these kinds of hubs that I've ever met have been Ethernet throughout. I have read that a hub can connect Ethernet to Token Ring, but I've never met it in the field in 20 years of working.
Switches are really only very fast bridges which create a path between the ports of the switch only long enough to pass a packet across it, then the path is torn down and a new path created for the next packet. They decide on the ports to bridge on the basis of MAC address, so are genuine layer 2 devices and do not convert between Ethernet and Token Ring - at least none do that I have ever met.
Routers, on the other hand, make their routing decisions on the basis of logical address (IP address usually, but can be IPX address in a Novell network), thus are layer 3 devices. They can easily convert between Ethernet and Token Ring - and frequently are used to do just that - and they properly handle problems such as maximum packet size differences (1510 on Ethernet, 32k on T/R, although more commonly 4k), and the fact that one uses 'most significant bit first' and the other uses 'least significant bit first' methods of transmission. I have installed routers (Cisco 7000) with multiple interfaces for Ethernet, Token Ring, 100 Mb Fast Ethernet, Fibre Optic, and Serial connections for WAN use - all in the same router - and it happily handled the transfer of packets from any one to any other.
Hope this helps.
Jim.
"LeAnne" <slfaulk@charter.net> wrote in message news:unsn3ai5e93v42@corp.supernews.com...
I'm due to take Net+ next month, and can't really comment on the question. However, I'm in the middle of A+ using M. Meyers A+ All in one book and taking the course at a technical college. Our Instructor says "do not" use the questions at the end of the chapters. We are using the Transcender. He states that the Transcender is the closest we'll come to actual test questions. I'm sure there are also other sample questions, sites, etc. one could go to, but I'm not as knowledgeable about such, as some of the others are. This is not intended to slight Mr. Meyers book in any way, as he writes excellent information on the subjects. As JimW said, there are plenty of errors in books, hence my Instructor's instructions. :-)
LeAnne
<SpecialK@keeloogs.com> wrote in message news:AbZ8PYfxRj5lN5LZRbXK5DGEC
m0e@4ax.com...
No it did not gave a diagram (that would be too easy). Okey, I am
really getting lost here. So I reference back to my study book (Net+
Passport by Mike Myers).
HUB - "Some hubs also include connectors for different media types -
BNC, AUI, or fiber --but they cannot interface between networks that
are based on different technologies (for example, Ethernet to Token
Ring."
Bridges -" Bridges also exist for other technologies such as Token
Ring but they cannot connect an Ethernet network to a Token Ring
network because of differences in the structure of the packets"
Routers - "Because routers can change the nature of data packets
(example, convert them from Ethernet ones to Token Ring ones or vice
versa), and because routers can make decisions about the path a data
packet takes between networks, they are sadi to operate at layer 3 of
the OSI model."
Is the author giving me a misinformation here....and I thought I have
down.
SpecialK
On Mon, 9 Sep 2002 12:30:21 +0000 (UTC), "Gareth" <gaz@gaz.org> wrote:
>
>"Russ S" <noway@nohow.com> wrote in message
>news:QvWe9.4654$Y3.894969@news.xtra.co.nz...
>> I would be guessing that the hub was the link between the server A and
>> server B. The token ring / ethernet is just something to confuse the
>issue
>> and the real question is server to server.
>>
>>
>
>Strictly speaking, how could it ever be a router? Routers are protocol
>dependant, as are bridges.
>
>SpecialK: are you sure the question didn't come with diagram of some kind?
>The question is highly ambiguous otherwise. Having said that, working on the
>basis that routers and bridges are protocol dependant and could never
>interconnect the two networks, that leaves only a hub and a switch. On the
>*very* flaky premise that switches are only installed in backbone operations
>due to being more expensive than hubs (and often providing un-necessary
>functions, such as VLANs etc), this would leave the hub.
>
>Cheers.
>
>G.
>
| |
|
| To add to the confusion, here's what it's like in the real world ....
Hubs can come with multiple connectors - the most common being a UTP (RJ45) hub with a BNC connector on the back. This is designed to allow the hubs to be daisy chained in a standard thinwire bus format, but provide many utp connections as drops to the workstations. Other hubs have utp on the front and proprietary connections on the back to allow stacking where the proprietary connection links the hubs with special cables. All of these kinds of hubs that I've ever met have been Ethernet throughout. I have read that a hub can connect Ethernet to Token Ring, but I've never met it in the field in 20 years of working.
Switches are really only very fast bridges which create a path between the ports of the switch only long enough to pass a packet across it, then the path is torn down and a new path created for the next packet. They decide on the ports to bridge on the basis of MAC address, so are genuine layer 2 devices and do not convert between Ethernet and Token Ring - at least none do that I have ever met.
Routers, on the other hand, make their routing decisions on the basis of logical address (IP address usually, but can be IPX address in a Novell network), thus are layer 3 devices. They can easily convert between Ethernet and Token Ring - and frequently are used to do just that - and they properly handle problems such as maximum packet size differences (1510 on Ethernet, 32k on T/R, although more commonly 4k), and the fact that one uses 'most significant bit first' and the other uses 'least significant bit first' methods of transmission. I have installed routers (Cisco 7000) with multiple interfaces for Ethernet, Token Ring, 100 Mb Fast Ethernet, Fibre Optic, and Serial connections for WAN use - all in the same router - and it happily handled the transfer of packets from any one to any other.
Hope this helps.
Jim.
"LeAnne" <slfaulk@charter.net> wrote in message news:unsn3ai5e93v42@corp.supernews.com...
I'm due to take Net+ next month, and can't really comment on the question. However, I'm in the middle of A+ using M. Meyers A+ All in one book and taking the course at a technical college. Our Instructor says "do not" use the questions at the end of the chapters. We are using the Transcender. He states that the Transcender is the closest we'll come to actual test questions. I'm sure there are also other sample questions, sites, etc. one could go to, but I'm not as knowledgeable about such, as some of the others are. This is not intended to slight Mr. Meyers book in any way, as he writes excellent information on the subjects. As JimW said, there are plenty of errors in books, hence my Instructor's instructions. :-)
LeAnne
<SpecialK@keeloogs.com> wrote in message news:AbZ8PYfxRj5lN5LZRbXK5DGEC
m0e@4ax.com...
No it did not gave a diagram (that would be too easy). Okey, I am
really getting lost here. So I reference back to my study book (Net+
Passport by Mike Myers).
HUB - "Some hubs also include connectors for different media types -
BNC, AUI, or fiber --but they cannot interface between networks that
are based on different technologies (for example, Ethernet to Token
Ring."
Bridges -" Bridges also exist for other technologies such as Token
Ring but they cannot connect an Ethernet network to a Token Ring
network because of differences in the structure of the packets"
Routers - "Because routers can change the nature of data packets
(example, convert them from Ethernet ones to Token Ring ones or vice
versa), and because routers can make decisions about the path a data
packet takes between networks, they are sadi to operate at layer 3 of
the OSI model."
Is the author giving me a misinformation here....and I thought I have
down.
SpecialK
On Mon, 9 Sep 2002 12:30:21 +0000 (UTC), "Gareth" <gaz@gaz.org> wrote:
>
>"Russ S" <noway@nohow.com> wrote in message
>news:QvWe9.4654$Y3.894969@news.xtra.co.nz...
>> I would be guessing that the hub was the link between the server A and
>> server B. The token ring / ethernet is just something to confuse the
>issue
>> and the real question is server to server.
>>
>>
>
>Strictly speaking, how could it ever be a router? Routers are protocol
>dependant, as are bridges.
>
>SpecialK: are you sure the question didn't come with diagram of some kind?
>The question is highly ambiguous otherwise. Having said that, working on the
>basis that routers and bridges are protocol dependant and could never
>interconnect the two networks, that leaves only a hub and a switch. On the
>*very* flaky premise that switches are only installed in backbone operations
>due to being more expensive than hubs (and often providing un-necessary
>functions, such as VLANs etc), this would leave the hub.
>
>Cheers.
>
>G.
>
| |
| ~Nitestar~ 2002-10-02, 12:50 pm |
| On Sun, 08 Sep 2002 19:45:25 -0700, SpecialK@keeloogs.com wrote:
>You have a token ring network which can communicate with Server A and
>an Ethernet network which can communicate with Server B but the two
>cannot talk to each other. Which failed?
>
>A. Hub
>B. Router
>C. Bridge
>D. Switch
>
>My answer was Router (because of Token Ring Server A and Ethernet
>Server B are two different protocols). I was amazed that the answer
>was A.HUB -- any input on this....or am I studying too much already.
>
Though somone already said it here... this question is to vague for
the correct to be given and satisfactorilly accepted as it sounds to
me as there should have been some sort of diagram to look at since I
am trying to picture this in my head...
Server A = TR/Segment
Server B = Ethernet/Segment
This means that Server A must be using a MAU... and Server B is using
a HUB/Switch of some kind... so what failed? The answer is really
unkown as to it doesnt depict what sort of connector is between the
two segments... when actually there should be an AUI transceiver
connector between the two segments somewhere along the lines and
unless the HUB/SWITCH or ROUTER has one built-in...
Personally, if you asked me... I think they deliberately put DUMB-XXX
questions like these so that ABSOLUTELY no one can pass with a 100%.
:-)
~NS~
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