RE: a ccna question-help
Hhhmmm. birds of a feather? ;->
Chuck
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Monday, July 31, 2000 9:25 AM
To: Chuck Larrieu
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: RE: a ccna question-help
Funny, My favorite has always been 2321.
Karen E Young
Network Engineer
ELF Technologies, Inc
[EMAIL PROTECTED]
"Chuck
Larrieu" To: "Mooney Drew-DMOONEY1"
<[EMAIL PROTECTED]>,
<[EMAIL PROTECTED]<[EMAIL PROTECTED]>
dsl.com> cc:
Sent by: Subject: RE: a ccna
question-help
nobody@groups
tudy.com
07/28/00
04:48 PM
Please
respond to
"Chuck
Larrieu"
My favorites are 1149 and 2549 :->
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On
Behalf Of
Mooney Drew-DMOONEY1
Sent: Friday, July 28, 2000 3:18 PM
To: [EMAIL PROTECTED]
Subject:RE: a ccna question-help
Karen Young writes:
>Of course, you could look at it this way... If it has an RFC then chances
>are its a protocol.
>Karen E Young>
So we're at risk of coffee pot design and selection criteria showing up on
an exam? ;-)
Drew M. Mooney
Invisix -- Motorola and Cisco Together
1334-394 The Alameda // San Jose, CA 95126
408-525-0873 [office] 408-287-3188 [home]
817-937-7880 [mobile] 888-809-9678 [SkyTel Pager]
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RE: a ccna question-help
Funny, My favorite has always been 2321.
Karen E Young
Network Engineer
ELF Technologies, Inc
[EMAIL PROTECTED]
"Chuck
Larrieu" To: "Mooney Drew-DMOONEY1"
<[EMAIL PROTECTED]>,
<[EMAIL PROTECTED]<[EMAIL PROTECTED]>
dsl.com> cc:
Sent by: Subject: RE: a ccna question-help
nobody@groups
tudy.com
07/28/00
04:48 PM
Please
respond to
"Chuck
Larrieu"
My favorites are 1149 and 2549 :->
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On
Behalf Of
Mooney Drew-DMOONEY1
Sent: Friday, July 28, 2000 3:18 PM
To: [EMAIL PROTECTED]
Subject:RE: a ccna question-help
Karen Young writes:
>Of course, you could look at it this way... If it has an RFC then chances
>are its a protocol.
>Karen E Young>
So we're at risk of coffee pot design and selection criteria showing up on
an exam? ;-)
Drew M. Mooney
Invisix -- Motorola and Cisco Together
1334-394 The Alameda // San Jose, CA 95126
408-525-0873 [office] 408-287-3188 [home]
817-937-7880 [mobile] 888-809-9678 [SkyTel Pager]
+44-(0)7715-055-944 UK Mobile
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RE: a ccna question-help
Nah! But you might see it on a Solaris exam. After all, Java is their thing... :-) Karen E Young Network Engineer ELF Technologies, Inc [EMAIL PROTECTED] Mooney Drew-DMOONEY1 To: [EMAIL PROTECTED] Subject: RE: a ccna question-help Sent by: nobody@groupstu dy.com 07/28/00 03:17 PM Please respond to Mooney Drew-DMOONEY1 Karen Young writes: >Of course, you could look at it this way... If it has an RFC then chances >are its a protocol. >Karen E Young> So we're at risk of coffee pot design and selection criteria showing up on an exam? ;-) Drew M. Mooney Invisix -- Motorola and Cisco Together 1334-394 The Alameda // San Jose, CA 95126 408-525-0873 [office] 408-287-3188 [home] 817-937-7880 [mobile] 888-809-9678 [SkyTel Pager] +44-(0)7715-055-944 UK Mobile ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Physical layer (was Re: a ccna question-help)
Four of the five (well, FR in some new specs for things like inverse multiplexing) deal with the physical layer. Do remember, however, that the original OSI definitions of layering came from a telephony/WAN perspective, and did not consider LANs. Their physical layer specification is, indeed, a protocol. Most physical layer specifications do not actually define the characteristics of the medium, although they do make assumptions about the medium. But specifying the pulse shapes, clocking, etc., certainly is a protocol about how to use the medium. Data link protocols, among other things, deal with the interactions of multiple devices on a shared medium. Physical protocols deal with the interactions of single devices with a medium. For example, RS-232, RS-422/423, V.35, 10BaseT, 10Base5... Medium specifications deal with the medium itself. Media are less likely to be standardized by the same bodies that generate higher-layer protocol specifications. >From: "Ed Moss" <[EMAIL PROTECTED]> >Reply-To: "Ed Moss" <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: Re: a ccna question-help >Date: Fri, 28 Jul 2000 14:15:49 -0500 > >It may be how you look at it... looking at "select the best answer" - I say >ATM, Token Ring and FDDI. These require single point-to-point connections. > >I believe Ethernet and Frame Relay (NBMA) are multiaccess mediums. > >The question it self may be a bit confusing as well since it says >"protocols". these are all physical mediums and not specifically >protocols. > >Ed > > > > I find a confused question on an exam guide which is: > > select the connect-oriented protocols: > > 1.ATM > > 2.TOKEN RING > > 3.FDDI > > 4.Ethernet > > 5.FrameRelay > > ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: a ccna question-help
Smart alec! :-> I think your answers make my point - the practice test world is filled with this kind of confusion. Which goes a long way towards explaining the appreciation I for one have for the folks here who's insight is well worth reading. Chuck -Original Message- From: ElephantChild [mailto:[EMAIL PROTECTED]] Sent: Saturday, July 29, 2000 12:05 AM To: Chuck Larrieu Cc: Dale Holmes; [EMAIL PROTECTED]; [EMAIL PROTECTED] Subject: RE: a ccna question-help I don't see what problem you have with these questions. On Fri, 28 Jul 2000, Chuck Larrieu wrote: > For example, is it an OSPF database, or an OSPF table? Yes. > Is UDP layer 4 or layer 7 Yes > Is ethernet connection oriented or connectionless? Yes > Is Cisco frame relay standards based or proprietary? Yes -- Bungee jumping and skydiving are for wimps. If you want to experience true gut-wrenching terror, have children. --Dusty Rhoades. ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: a ccna question-help
Dale, this is the dark side of the certification frenzy. Too many places hiring too many people to write too many practice tests using too many sources with accurate and inaccurate information, not to mention inadequate understanding. The result is much confusion. For example, is it an OSPF database, or an OSPF table? Is UDP layer 4 or layer 7 ( as I have seen argued ) Is ethernet connection oriented or connectionless? Is Cisco frame relay standards based or proprietary? ( saw that question on one of the Boson tests ) All anyone can do is study the material, and if confused ask the question. Lord knows I've sure had a lot of my own confusion cleared up by following topics just like this one. Chuck -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Dale Holmes Sent: Friday, July 28, 2000 1:19 PM To: [EMAIL PROTECTED]; [EMAIL PROTECTED] Subject: Re: a ccna question-help Wow - what a crappy question! Where did you find it? It really confuses the issue to say "connection-oriented" with respect to these specifications (except *maybe* ATM). For FDDI and Token Ring, it is better to say that they are "deterministic" (as opposed to "opportunistic" in the case of Ethernet). Consider a Token Ring. When a station wants to transmit data, it must first obtain the token. Once it does so, it can then transmit its data. The data frame traverses the ring, visiting every station on the ring. The destination station receives the data, then set the Address Recognized (AR) and Frame Copied (FC) bits, and then sends the data back out on the ring. The originating station will see it's own frame "coming back around" the ring, this time with the AR and FC bits set, and will strip the frame off the ring and release a new token. This process looks kinda "connection-oriented" - almost like a transmission (sending the data) and an acknowledgement (flipping the AR and FC bits), but it is really not the same thing (though some might argue that I am splitting hairs). At any rate, I say the question you got is poorly written at best... though sometimes the really bad questions force you down roads you otherwise would not have travelled, and you become more knowledgable as you prove the author an idiot... Who knows, I probably wrote that lousy question! >From: "Ed Moss" <[EMAIL PROTECTED]> >Reply-To: "Ed Moss" <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: Re: a ccna question-help >Date: Fri, 28 Jul 2000 14:15:49 -0500 > >It may be how you look at it... looking at "select the best answer" - I say >ATM, Token Ring and FDDI. These require single point-to-point connections. > >I believe Ethernet and Frame Relay (NBMA) are multiaccess mediums. > >The question it self may be a bit confusing as well since it says >"protocols". these are all physical mediums and not specifically >protocols. > >Ed > > > > I find a confused question on an exam guide which is: > > select the connect-oriented protocols: > > 1.ATM > > 2.TOKEN RING > > 3.FDDI > > 4.Ethernet > > 5.FrameRelay > > > >___ >UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html >FAQ, list archives, and subscription info: http://www.groupstudy.com >Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: a ccna question-help
Ok I would have chosen atm frame relay anything you need to do mappings for I consider connection oriented . PQ Ed Moss wrote: > It may be how you look at it... looking at "select the best answer" - I say > ATM, Token Ring and FDDI. These require single point-to-point connections. > > I believe Ethernet and Frame Relay (NBMA) are multiaccess mediums. > > The question it self may be a bit confusing as well since it says > "protocols". these are all physical mediums and not specifically protocols. > > Ed > > > I find a confused question on an exam guide which is: > > select the connect-oriented protocols: > > 1.ATM > > 2.TOKEN RING > > 3.FDDI > > 4.Ethernet > > 5.FrameRelay > > ___ > UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html > FAQ, list archives, and subscription info: http://www.groupstudy.com > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] > --- ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: a ccna question-help
My favorites are 1149 and 2549 :-> -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Mooney Drew-DMOONEY1 Sent: Friday, July 28, 2000 3:18 PM To: [EMAIL PROTECTED] Subject: RE: a ccna question-help Karen Young writes: >Of course, you could look at it this way... If it has an RFC then chances >are its a protocol. >Karen E Young> So we're at risk of coffee pot design and selection criteria showing up on an exam? ;-) Drew M. Mooney Invisix -- Motorola and Cisco Together 1334-394 The Alameda // San Jose, CA 95126 408-525-0873 [office] 408-287-3188 [home] 817-937-7880 [mobile] 888-809-9678 [SkyTel Pager] +44-(0)7715-055-944 UK Mobile ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: a ccna question-help
Karen Young writes: >Of course, you could look at it this way... If it has an RFC then chances >are its a protocol. >Karen E Young> So we're at risk of coffee pot design and selection criteria showing up on an exam? ;-) Drew M. Mooney Invisix -- Motorola and Cisco Together 1334-394 The Alameda // San Jose, CA 95126 408-525-0873 [office] 408-287-3188 [home] 817-937-7880 [mobile] 888-809-9678 [SkyTel Pager] +44-(0)7715-055-944 UK Mobile ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: a ccna question-help
They _are_ all protocols.
ATM = Mostly Physical & Data Link but shows up in Network (encapsulation,
signalling, transmission, etc)
Token-Ring = LAN Physical & Data Link layer protocol (wiring, tokens)
FDDI = Physical & Data LInk layer protocol (wiring, frame control & route
information)
Ethernet = LAN Physical & Data Link layer protocol (wiring, CSMA/CD)
Frame Relay = WAN Data LInk layer protocol (think DLCI = Data Link
Connection Identifier)
Of course, you could look at it this way... If it has an RFC then chances
are its a protocol.
Karen E Young
ELF Technologies, Inc
[EMAIL PROTECTED]
Desk: 206-770-4035
Pager: 206-994-4514
"Ed Moss"
<[EMAIL PROTECTED]To: [EMAIL PROTECTED]
m> cc:
Sent by: Subject: Re: a ccna question-help
nobody@groups
tudy.com
07/28/00
12:15 PM
Please
respond to
"Ed Moss"
It may be how you look at it... looking at "select the best answer" - I say
ATM, Token Ring and FDDI. These require single point-to-point connections.
I believe Ethernet and Frame Relay (NBMA) are multiaccess mediums.
The question it self may be a bit confusing as well since it says
"protocols". these are all physical mediums and not specifically
protocols.
Ed
> I find a confused question on an exam guide which is:
> select the connect-oriented protocols:
> 1.ATM
> 2.TOKEN RING
> 3.FDDI
> 4.Ethernet
> 5.FrameRelay
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Re: a ccna question-help
Wow - what a crappy question! Where did you find it? It really confuses the issue to say "connection-oriented" with respect to these specifications (except *maybe* ATM). For FDDI and Token Ring, it is better to say that they are "deterministic" (as opposed to "opportunistic" in the case of Ethernet). Consider a Token Ring. When a station wants to transmit data, it must first obtain the token. Once it does so, it can then transmit its data. The data frame traverses the ring, visiting every station on the ring. The destination station receives the data, then set the Address Recognized (AR) and Frame Copied (FC) bits, and then sends the data back out on the ring. The originating station will see it's own frame "coming back around" the ring, this time with the AR and FC bits set, and will strip the frame off the ring and release a new token. This process looks kinda "connection-oriented" - almost like a transmission (sending the data) and an acknowledgement (flipping the AR and FC bits), but it is really not the same thing (though some might argue that I am splitting hairs). At any rate, I say the question you got is poorly written at best... though sometimes the really bad questions force you down roads you otherwise would not have travelled, and you become more knowledgable as you prove the author an idiot... Who knows, I probably wrote that lousy question! >From: "Ed Moss" <[EMAIL PROTECTED]> >Reply-To: "Ed Moss" <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: Re: a ccna question-help >Date: Fri, 28 Jul 2000 14:15:49 -0500 > >It may be how you look at it... looking at "select the best answer" - I say >ATM, Token Ring and FDDI. These require single point-to-point connections. > >I believe Ethernet and Frame Relay (NBMA) are multiaccess mediums. > >The question it self may be a bit confusing as well since it says >"protocols". these are all physical mediums and not specifically >protocols. > >Ed > > > > I find a confused question on an exam guide which is: > > select the connect-oriented protocols: > > 1.ATM > > 2.TOKEN RING > > 3.FDDI > > 4.Ethernet > > 5.FrameRelay > > > >___ >UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html >FAQ, list archives, and subscription info: http://www.groupstudy.com >Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: a ccna question-help
It may be how you look at it... looking at "select the best answer" - I say ATM, Token Ring and FDDI. These require single point-to-point connections. I believe Ethernet and Frame Relay (NBMA) are multiaccess mediums. The question it self may be a bit confusing as well since it says "protocols". these are all physical mediums and not specifically protocols. Ed > I find a confused question on an exam guide which is: > select the connect-oriented protocols: > 1.ATM > 2.TOKEN RING > 3.FDDI > 4.Ethernet > 5.FrameRelay ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: a ccna question-help
Also: 5. Frame Relay (PVC's are connection-oriented) Roger -Original Message- From: Daniel Ma [mailto:[EMAIL PROTECTED]] Sent: Wednesday, July 26, 2000 11:40 PM To: [EMAIL PROTECTED] Subject: Re: a ccna question-help 1. ATM Zhang Jin <[EMAIL PROTECTED]> wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Dear group, > > I find a confused question on an exam guide which is: > select the connect-oriented protocols: > 1.ATM > 2.TOKEN RING > 3.FDDI > 4.Ethernet > 5.FrameRelay > > anyone can help me select the correct answer? > > thanks > > dean > > ___ > UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html > FAQ, list archives, and subscription info: http://www.groupstudy.com > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] > --- ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Connections and states (was Re: a ccna question-help)
>Dear group, > >I find a confused question on an exam guide which is: >select the connect-oriented protocols: >1.ATM >2.TOKEN RING >3.FDDI >4.Ethernet >5.FrameRelay > >anyone can help me select the correct answer? > >thanks > >dean I'll try to do as you ask, help you select the answer, rather than give you the answer. There is a subtle difference, which most exams don't observe, between connection orientation and statefulness. In connection orientation, there is a distinct setup phase, after which the receiver has awareness of the sender. Resources are committed to that connection. Stateful communications also describe a situation where the receiver has prior knowledge of the sender, but don't necessarily have an explicit setup function and don't necessarily commit resources. In other words, all connection-oriented communications are stateful, but not all stateful protocols are connection-oriented. Which of the protocols you list will work if the sender decides to send to a receiver that doesn't know about its existence? Hint: ATM was developed by the telephone industry, and Frame Relay was a specific ATM access protocol. Can you simply pick up the telephone and start talking, or must you dial first? You can just start sending on a LAN. There are a couple of subtle points that involve Token Ring and FDDI. Ethernet receivers definitely don't have prior awareness of the sender. Some people might suggest, however, that a TR or FDDI receiver marking token bits is connection-oriented, because there is a receiver action. No, I don't argue that. What I will argue is that TR and FDDI _senders_ are stateful but not connection-oriented, as they need to be aware they have sent a frame in order to remove it from the ring. They also need to maintain state about whether they have or do not have the token. Confusing things further, Logical Link Control type 2 (LLC2), which is most commonly seen over TR, definitely is connection-oriented. But "token ring" refers to the MAC and PHY protocols, not LLC. ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: a ccna question-help
1. ATM Zhang Jin <[EMAIL PROTECTED]> wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Dear group, > > I find a confused question on an exam guide which is: > select the connect-oriented protocols: > 1.ATM > 2.TOKEN RING > 3.FDDI > 4.Ethernet > 5.FrameRelay > > anyone can help me select the correct answer? > > thanks > > dean > > ___ > UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html > FAQ, list archives, and subscription info: http://www.groupstudy.com > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] > --- ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
