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Exam 200-301 topic 1 question 399 discussion

Actual exam question from Cisco's 200-301
Question #: 399
Topic #: 1
[All 200-301 Questions]

Refer to the exhibit. C-router is to be used as a "router-on-a-stick" to route between the VLANs. All the interfaces have been properly configured and IP routing is operational. The hosts in the VLANs have been configured with the appropriate default gateway. What is true about this configuration?

  • A. These commands need to be added to the configuration: C-router(config)# router eigrp 123 C-router(config-router)# network 172.19.0.0
  • B. These commands need to be added to the configuration: C-router(config)# router ospf 1 C-router(config-router)# network 172.19.0.0 0.0.3.255 area 0
  • C. These commands need to be added to the configuration: C-router(config)# router rip C-router(config-router)# network 172.19.0.0
  • D. No further routing configuration is required.
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Suggested Answer: D 🗳️
Since all the same router (C-router) is the default gateway for all three VLANs, all traffic destined to a different VLA will be sent to the C-router. The C-router will have knowledge of all three networks since they will appear as directly connected in the routing table. Since the C-router already knows how to get to all three networks, no routing protocols need to be configured.
by LTTAM at Jan. 15, 2021, 7:48 p.m.

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LTTAM
Highly Voted 3 years, 9 months ago
D is correct. However... tricky question though. They list the routing protocols to throw you off. The question is actually testing your knowledge of VLAN routing.
upvoted 17 times
tiger001
10 months ago
Occam's razor, keep it simple and basic
upvoted 1 times
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Scipions
Highly Voted 3 years, 6 months ago
examtopics is the new netacad
upvoted 11 times
RougePotatoe
2 years ago
Netacad was literally torture here's 2 - 3 hours of reading material and we are going to constantly throw in useless cisco propaganda.
upvoted 5 times
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[Removed]
Most Recent 7 months, 2 weeks ago
Selected Answer: D
D is correct
upvoted 1 times
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FALARASTA
1 year, 6 months ago
Always dont overthink. Trick sana
upvoted 1 times
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Wes_60
1 year, 7 months ago
They are trying to trick you. No routing protocols are needed for router on a stick. Plus they already told you everything was properly configured and functioning.
upvoted 3 times
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ScorpionNet
2 years, 6 months ago
D is right because it describes Router on a Stick so it's a VLAN topic
upvoted 1 times
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Shamwedge
2 years, 9 months ago
everything is working No information provided would indicate on which routing protocol would be the one to use No routing protocol is needed for intervlan routing.
upvoted 1 times
Shamwedge
2 years, 9 months ago
D is my answer
upvoted 1 times
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jerry19
3 years, 6 months ago
Technically, you have to configure a native subinterface or none of this will work but since that wasn't an option and we know that "all interfaces have been configured properly and all ip routing is operational," the answer is therefore D.
upvoted 4 times
kyleptt
1 year, 3 months ago
I was thinking that you must configure 0/0 for this to work
upvoted 1 times
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ROBZY90
3 years, 6 months ago
No routing protocols are needed for Router on a stick
upvoted 2 times
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