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Cisco Exam 300-440 Topic 3 Question 12 Discussion

Actual exam question for Cisco's 300-440 exam
Question #: 12
Topic #: 3
[All 300-440 Questions]

Refer to the exhibits.

Refer to the exhibits. An engineer needs to configure a site-to-site IPsec VPN connection between an on premises Cisco IOS XE router and Amazon Web Services (AWS). Which two IP prefixes should be used to configure the AWS routing options? (Choose two.)

Show Suggested Answer Hide Answer
Suggested Answer: A, E

The correct answer is A and E because they are the IP prefixes that match the tunnel interfaces on the Cisco IOS XE router. The AWS routing options should include the local and remote IP prefixes that are used for the IPsec tunnel endpoints. The other options are either the public IP addresses of the routers or the LAN subnets that are not relevant for the IPsec tunnel configuration.Reference:=Designing and Implementing Cloud Connectivity (ENCC) v1.0,Configure IOS-XE Site-to-Site VPN Connection to Amazon Web Services,Site-to-Site VPN with Amazon Web Services


by Lino at May 23, 2024, 09:20 AM

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Val
6 months ago
This is a classic IPsec VPN question. The answer is definitely C and E. You need a VPC subnet prefix and a public IP prefix for the VPN gateway.
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Callie
6 months ago
I'm pretty sure the correct answer is A and D. We need two IP prefixes to configure the VPN connection, and 30.30.30.0/30 and 50.50.50.0/30 seem to fit the bill.
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Noel
5 months ago
Yes, I agree. Those two options match the criteria for configuring the VPN connection.
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Roxane
5 months ago
I think you're right, A and D look like the correct options for the IP prefixes.
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Dorothea
5 months ago
Yes, I agree. Those two options match the criteria for configuring the VPN connection.
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Rickie
6 months ago
Great, let's go with 30.30.30.0/30 and 50.50.50.0/30 for the AWS routing options.
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Sylvia
6 months ago
I think you're right, A and D make sense for the IP prefixes.
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Irma
6 months ago
Yes, those two options match the requirements for the VPN connection.
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Corrie
6 months ago
I think you're right, A and D make sense for the IP prefixes.
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Katlyn
7 months ago
The correct answer has to be C. 30.30.30.0/24 because it's the only option that aligns with the typical AWS VPC subnet size.
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Margret
5 months ago
Great, thanks for clarifying that. I'll go with B) 20.20.20.0/24 and C) 30.30.30.0/24 for the configuration.
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Dottie
5 months ago
So, the correct answers are B) 20.20.20.0/24 and C) 30.30.30.0/24.
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Bobbye
6 months ago
Actually, I think you're right. C) 30.30.30.0/24 does align with the typical AWS VPC subnet size.
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Tamar
6 months ago
I agree, that makes sense. It aligns with the typical AWS VPC subnet size.
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Marylou
6 months ago
I'm pretty sure it's C) 30.30.30.0/24 and D) 50.50.50.0/30.
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Luisa
6 months ago
I think the answer is C. 30.30.30.0/24
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Lenna
6 months ago
No, I believe it's A) 30.30.30.0/30 and E) 40.40.40.0/24.
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Miles
7 months ago
I think the correct answers are B) 20.20.20.0/24 and C) 30.30.30.0/24.
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