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Cisco 200-301 Exam - Topic 2 Question 103 Discussion

A HCP pool has been created with the name CONTROL. The pool uses the next to last usable IP address as the default gateway for the DHCP clients. The server is located at 172.16 32.15. What is the step in the process for clients on the 192.168.52.0/24 subnet to reach the DHCP server?
C) ip helper-address 172.16.32.15
A) ip forward-protocol udp 137
B) ip default-network 192.168.52.253
D) ip default-gateway 192.168.52.253

Cisco 200-301 Exam - Topic 2 Question 103 Discussion

Actual exam question for Cisco's 200-301 exam
Question #: 103
Topic #: 2
[All 200-301 Questions]

A HCP pool has been created with the name CONTROL. The pool uses the next to last usable IP address as the default gateway for the DHCP clients. The server is located at 172.16 32.15. What is the step in the process for clients on the 192.168.52.0/24 subnet to reach the DHCP server?

Show Suggested Answer Hide Answer
Suggested Answer: C

DHCP and broadcasts: DHCP clients use broadcasts to find a DHCP server, but broadcasts are typically limited to the local subnet. Since the DHCP server (172.16.32.15) is on a different subnet than the clients (192.168.52.0/24), the clients' broadcast requests won't reach it.

ip helper-address: This command is used on a router (or layer 3 switch) to forward DHCP broadcasts to a specific IP address (the DHCP server) on a different subnet. This allows clients to discover and obtain IP address information from a DHCP server that is not on their local network.


by Gaynell at Jan 23, 2025, 02:53 PM

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Edwin
9 months ago
Are we sure this setup will actually work? Seems off to me.
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Leota
9 months ago
I thought it was option B at first, but C makes more sense.
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Cathrine
10 months ago
Wait, why is the default gateway not in the same subnet?
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Yvette
10 months ago
Definitely option C, that's how you route DHCP requests!
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Edwin
10 months ago
The DHCP server is at 172.16.32.15, so clients need a helper address.
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Loise
10 months ago
I vaguely recall that the ip helper-address command is used to direct DHCP traffic to a different subnet, so I’m leaning towards option C as well.
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Aleshia
11 months ago
I'm a bit confused about the default gateway part. I thought that was more related to local routing rather than reaching a DHCP server.
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Lynelle
11 months ago
I think we practiced a similar question where we had to configure a router to forward DHCP requests. I feel like option C might be the one we need.
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Boris
11 months ago
I remember something about helper addresses from our DHCP lessons, but I'm not entirely sure if it's the right answer here.
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Bettyann
11 months ago
This is straightforward. The clients on the 192.168.52.0/24 subnet need to use the ip helper-address command to reach the DHCP server at 172.16.32.15. Simple as that!
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Valentine
11 months ago
Okay, I think I've got this. The key is using the ip helper-address command to forward DHCP requests from the 192.168.52.0/24 subnet to the DHCP server at 172.16.32.15. That should do the trick!
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Dortha
11 months ago
Hmm, the subnet is 192.168.52.0/24, so the default gateway should be 192.168.52.253. But how do we get the clients to reach the DHCP server at 172.16.32.15? I'm a bit unsure about that part.
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Sherrell
11 months ago
This looks like a classic DHCP server configuration question. I'll need to think through the subnet details and default gateway to determine the right step.
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Keneth
2 years ago
Ooh, this is a tricky one! I'm leaning towards C, but I can't help but wonder if the answer is actually a secret message from the exam creator, hidden in one of the options. *puts on tinfoil hat*
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Pilar
2 years ago
Haha, this question is a real brain-teaser! I'm going to go with C, just because it sounds the most technical. Plus, who doesn't love a good 'ip helper-address' command, am I right?
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Delisa
1 year ago
User 2: Agreed, that command is essential for clients on a different subnet to communicate with the DHCP server. Good choice!
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Aron
1 year ago
User 1: I think C is the right answer too. It makes sense to use the 'ip helper-address' command to reach the DHCP server.
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Fannie
1 year ago
User 2: Yeah, setting the helper address to the DHCP server's IP makes sense.
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Andra
2 years ago
User 1: I think C is the correct answer too.
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Albina
2 years ago
I believe option C) is the best choice because it specifically directs the clients to the DHCP server.
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Venita
2 years ago
I'm not sure, but I think B might be the right answer. Setting the default network to the last IP address on the subnet seems like it could work. *scratches head*
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Tawanna
1 year ago
User 4: I think C is the best option. Setting the ip helper-address to the DHCP server's IP address should help clients on a different subnet reach the server.
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Lemuel
1 year ago
User 3: I'm not sure about C. Maybe D could work by setting the default gateway to the next to last usable IP address on the subnet.
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Tamala
2 years ago
User 2: I agree with Tamala. C seems like the right choice to help clients on a different subnet reach the DHCP server.
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Tammy
2 years ago
User 1: I think C is the correct answer. Using the ip helper-address command to specify the DHCP server's IP address makes sense.
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Corinne
2 years ago
I don't think so, because the default network is not the same as the helper address for DHCP.
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Lemuel
2 years ago
But what about option B) ip default-network 192.168.52.253? Could that also work?
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Albina
2 years ago
I agree with Corinne, using the helper address will allow the clients to reach the DHCP server.
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Alfreda
2 years ago
D seems like the obvious choice here. Why would we need to forward the requests when we can just set the default gateway to the last usable IP address on the subnet?
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Vincenza
2 years ago
C) ip helper-address 172.16.32.15
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Susy
2 years ago
A) ip forward-protocol udp 137
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Corinne
2 years ago
I think the correct step is C) ip helper-address 172.16.32.15.
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Yan
2 years ago
The answer is clearly C. We need to use the ip helper-address command to forward the DHCP requests to the server at 172.16.32.15. Easy peasy!
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Dustin
2 years ago
That makes sense. The ip helper-address command will forward the DHCP requests to the server at 172.16.32.15.
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Kimberlie
2 years ago
C) ip helper-address 172.16.32.15
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