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happyhacker81
Member
Joined: 30 Apr 2006
Posts: 55
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 Posted: Wed Oct 08, 2008 7:24 am Post subject: Confuse One Question in 70-293!!! |
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hello every body .. I'm now doing 293 .. I've one confusing one HOTSPOT Qst ...
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You are a net work administrator for your company. All Servers run Windows Server 2003.
All client computers run Windows XP Professioanl.
The network contains a single DHCP Server that services two subnets named Subnet1 and
Subnet2, as shown in the work area. All servers and the administrator client computer have manually
assigned IP addresses. All other client computers are DHCP clients.
The router on your network fails and is replaced by another router. After the router is replaced ,
client computers on Subnet2 cannot receive IP addressing from the DHCP server.
You need to configure an appropriate host to be a DHCP relay agent. Which component should you
use?
To answer, select the appropriate component in the work area.
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Work Area:
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In TK's answer, they choose Print Server as to configure DHCP relay agent ...
from my point of view, according to question, DHCP is working well before replaced by new router ..so i think, need to configure new router as a DHCP relay agent
what is the correct answer??
Please correct me ....
Thank you ... |
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covachero
Member
Joined: 30 Aug 2008
Posts: 59
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| Posted: Wed Oct 08, 2008 9:56 am Post subject: |
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| If you notice the statement says the router was replaced by another router and is telling you you have to configure DHCP relay agent, DHCP relay agent has to be a server and the only server you have in the lower portion of the graphic is the print server. Of course when you configure DHCP relay agent on the Print Server this will also enables bootstrap protocol (BOOTP) relay on the router and will let the DHCP Packets to travel between subnets. |
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happyhacker81
Member
Joined: 30 Apr 2006
Posts: 55
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| Posted: Thu Oct 09, 2008 2:28 am Post subject: thank for your reply |
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yes, thanks for your reply covachero .. I know that you explained. But I'm still confusing on question.
In question, DHCP service are working well on Subnet 1 & 2 until the router fails. That mean, I assume the router
interface on the subnet 2 was configured as DHCP relay agent (no statement that DHCP relay agent on Subnet2 ). So client computers on Subnet 2 work well.
Then, the router was failed & replaced by new one. On new router, with default settings, It will not allow DHCP broadcast messages to pass to DHCP server on Subnet 1. So Client computers on Subnet2 cannot receive IP addressing ...
So that's why i think we need only configure on new router.
( DHCP relay agent may be router or server, in question they tell to configure on an appropriate host not must be on a Server)
This is only my point of view ..
Please correct me
Regards |
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no_clue
Newbie
Joined: 30 Sep 2008
Posts: 24
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| Posted: Thu Oct 09, 2008 1:16 pm Post subject: |
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| Can you paste that work area picture or give name of test so I can look it up? |
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no_clue
Newbie
Joined: 30 Sep 2008
Posts: 24
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| Posted: Fri Oct 10, 2008 11:24 am Post subject: |
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You did not post chart I asked for so it's hard to guess, but generally you don't configure DHCP relay agent on router but in IP Routing on server's interface in Routing and Remote access administration menu.
Then you select network interface where to apply DHCP relay agent on.
Because router failed you probably need reconfigure server interface DHCP relay agent resides on to give it new settings.
But as I say, it would be much easier with picture...
Also remember that when taking Microsft exam it quite unlikely there will be any questions pointing at non-microsoft equipment.
I know those questions are very often unrealistic and you won't have such examples in real life... but that's the way it is  |
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happyhacker81
Member
Joined: 30 Apr 2006
Posts: 55
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| Posted: Sat Oct 11, 2008 8:21 am Post subject: |
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| no_clue wrote: | | Can you paste that work area picture or give name of test so I can look it up? |
so sorry for late reply .. i can't attach thumbnail link here ..
[img]http://img41.imagevenue.com/img.php?image=13971_dhcp_122_1079lo.JPG[/img] |
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no_clue
Newbie
Joined: 30 Sep 2008
Posts: 24
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| Posted: Sat Oct 11, 2008 8:52 am Post subject: |
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Yeah, thanks.
You need to configure DHCP relay agent on routers interface, and providing that this action is not possible on Admin client computer and not possible on client computer, only choice left is to configure it on Print Server.
By default routers do not forward broadcasts.
But this is not really true in practice...
There are (speaking basic) 2 type of routers, when router is RFC1542 Compliant - it can act as dhcp relay agent as it is able to forward broadcasts. When it is not RFC 1542 - then it can't and need DHCP relay agent - as for example that Win 2K3 print server - at other subnet to pass DHCP on.
So when your DHCP broadcasts fails as in our question - then you have 2 choices:
1) Buy new RFC 1542 complaint router and replace it
2) Install DHCP relay agent on the server on router's interface on subnet
This makes obvious thats our only one and correct choice in this question is the answer proposed by Testking 
Cheers! 
PS. Here is your picture attached...
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