A network administrator must enable DHCP services between two sites. What must be configured for the router to pass DHCPDISCOVER messages on to the server?
tricky question, they didn't mention that the networks are in different areas, so they are connected via the same router (fe0/0 and fe0/1 for example), therefore the answer is: D. a DHCP Pool
Copied from GP:
At first glance it does appear this way, however, this is only because we are assuming that a helper address (DHCP relay agent) isn’t already configured. Since the question doesn’t explicitly state anything about any “default” configurations then we can’t assume that a DHCP relay agent hasn’t already been configured. The question just says what MUST be configured (out of the options that are provided in the answers).
With that being said, if a DHCP relay agent has already been configured then the only thing you ABSOLUTELY need at this point is the DHCP pool. This is because, if the DHCP server has a scope or pool configured for a particular network, then the server will respond; otherwise, it will NOT respond. So, without a DHCP pool it wouldn’t matter if you had the DHCP relay agent configured because the DHCP server would never respond. Thus, you MUST have the pool configured in order for DHCP to work correctly. DHCP pool is the better answer.
Router need to be configured as Relay agent. In this case it will receive the broadcast discover message and forward it as unicast to the configured dhcp which exists in another subnet probably in a centrlized location in the enterprise network
B is wrong because the question did not ask if they were in different network. you only need to configure a router as a relay agent if the dhcp server and the workstation are in different network using the the ip-helper address command. The question say dhcp discover which means it is only clients in the dhcp pool that will get the discovery message so D is the correct answer.
I'm inclined to agree with this. It says "to pass", you don't need a pool to pass these packets, as the pool is located on the server. Routers don't automatically forward the packets so it needs a dhcp relay agent to find the server at the other site.
B
tricky question, they didn't mention that the networks are in different areas, so they are connected via the same router (fe0/0 and fe0/1 for example), therefore the answer is: D. a DHCP Pool
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