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Exam 200-301 topic 1 question 513 discussion

Actual exam question from Cisco's 200-301
Question #: 513
Topic #: 1
[All 200-301 Questions]

Refer to the exhibit. After you apply the given configuration to a router, the DHCP clients behind the device cannot communicate with hosts outside of their subnet.
Which action is most likely to correct the problem?

  • A. Configure the dns server on the same subnet as the clients
  • B. Activate the dhcp pool
  • C. Correct the subnet mask
  • D. Configure the default gateway
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Suggested Answer: D 🗳️
by uevenasdf at Jan. 8, 2021, 12:28 a.m.

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xsp
Highly Voted 4 years ago
Answer is correct, since question is "Which action is most likely to correct the problem?" Means that the given set of command is missing something. Since when we are configuring a DHCP server on a router: conf t service dhcp ip dhcp pool <pool name> network <network address of the pool> default-router <ip address of the interface facing the hosts, or ip adress of the interface facing downstream clients> dns-server <ip address of dns-server> exit
upvoted 15 times
Randman
3 years, 2 months ago
Is not configuring the default gate this command?: SW1(config)# ip default-gateway 192.168.10.1
upvoted 1 times
Nicocisco
2 years, 11 months ago
This is to configure it directly on the equipment. We want the DHCP server to send the information to it.
upvoted 2 times
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W_D
10 months ago
Be careful, To define a default gateway (router) when IP routing is disabled, use the ip default-gateway global configuration command.
upvoted 1 times
W_D
10 months ago
This is different to DHCP configuration.
upvoted 1 times
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nathnotnut
Most Recent 1 year, 11 months ago
why not C? i am a beginner, but I also know that you should put the "subnet mask" not the "/27", wouldnt it become and error?
upvoted 4 times
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cormorant
2 years, 2 months ago
THE (DHCP#) DEFAULT-ROUTER IS MISSING FROM THE EXHIBIT
upvoted 1 times
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Nnandes
2 years, 9 months ago
D. Configure the default gateway
upvoted 1 times
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Nicocisco
2 years, 11 months ago
I know the answer is D, but we can't put de mask for network in CIDR right?
upvoted 2 times
Danu22
2 years, 9 months ago
Correct, you can't input a subnet mask in CIDR notation as shown in this question.
upvoted 1 times
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uevenasdf
4 years, 1 month ago
D is more right but arguably A could be right too
upvoted 2 times
RougePotatoe
2 years, 3 months ago
The DNS sever does not need to be on the same subnet as your clients. You can double check this by going into your network settings and adjusting DNS to 1.1.1.1 or 8.8.8.8. You can check the before and after results with ipconfig /all in command prompt. Typically your default DNS server on your local network is your default gateway on SOHO routers but your SOHO router will send that DNS query up to the ISP and typically one of their DNS servers will answer your DNS query. Remember your router is typically getting DHCP information from the ISP as well.
upvoted 2 times
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Cpynch
3 years ago
It's possible, but without more information you'd have to make an assumption whereas, with D there is clearly a default gateway missing.
upvoted 1 times
dsmitd33
2 months, 3 weeks ago
and how would the default gateway ip address look in the given questions output?
upvoted 1 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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