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Question 301 - SCS-C01 discussion

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How can you ensure that instance in an VPC does not use AWS DNS for routing DNS requests. You want to use your own managed DNS instance. How can this be achieved? Please select:

A.
Change the existing DHCP options set
Answers
A.
Change the existing DHCP options set
B.
Create a new DHCP options set and replace the existing one.
Answers
B.
Create a new DHCP options set and replace the existing one.
C.
Change the route table for the VPC
Answers
C.
Change the route table for the VPC
D.
Change the subnet configuration to allow DNS requests from the new DNS Server
Answers
D.
Change the subnet configuration to allow DNS requests from the new DNS Server
Suggested answer: B

Explanation:

In order to use your own DNS server, you need to ensure that you create a new custom DHCP options set with the IP of th custom DNS server. You cannot modify the existing set, so you need to create a new one. Option A is invalid because you cannot make changes to an existing DHCP options Set.

Option C is invalid because this can only be used to work with Routes and not with a custom DNS solution. Option D is invalid because this needs to be done at the VPC level and not at the Subnet level For more information on DHCP options set, please visit the following url https://docs.aws.amazon.com/AmazonVPC/latest/UserGuideA/PC DHCP Options.htmlThe correct answer is: Create a new DHCP options set and replace the existing one. Submit yourFeedback/Queries to our Experts

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asked 16/09/2024
Tiro malope
40 questions
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