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Question 273 - ANS-C00 discussion

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An unfortunate situation has just come to your attention. A business critical application with sensitive data running on-prem will run out of storage disk space in 24hrs. This business critical application is dependent a very large set of routes - required for integration with other system. You make a quick but well informed decision to migrate this application quickly to AWS. You are able to quickly launch a new VPC and within it equivalent infrastructure to re-home the application. In order to complete the replication of application data and ensure the application remains operational beyond the next 24hrs, select the best implementation.

A.
Within the new VPC - establish a Direct Connect connection with max 10Gbps port speed for data replication. Establish a 802.1Q VLAN and configure a Virtual Private Gateway and Private Virtual Interface, and ensure Jumbo Frames isenabled.
Answers
A.
Within the new VPC - establish a Direct Connect connection with max 10Gbps port speed for data replication. Establish a 802.1Q VLAN and configure a Virtual Private Gateway and Private Virtual Interface, and ensure Jumbo Frames isenabled.
B.
Within the new VPC - deploy a Virtual Private Gateway, Customer Gateway, and establish a new IPsec VPN Connection with BGP dynamic routing
Answers
B.
Within the new VPC - deploy a Virtual Private Gateway, Customer Gateway, and establish a new IPsec VPN Connection with BGP dynamic routing
C.
Within the new VPC - deploy a Virtual Private Gateway, Customer Gateway, and establish a new IPsec VPN Connection with static routing, and ensure Jumbo Frames is enabled.
Answers
C.
Within the new VPC - deploy a Virtual Private Gateway, Customer Gateway, and establish a new IPsec VPN Connection with static routing, and ensure Jumbo Frames is enabled.
D.
Within the new VPC - deploy a software based virtual router (for example a Cisco CSR). Configure with dual ENIs (external and internal), create and attach an EIP to the external ENI, Configure and setup IPsec VPN tunnels, and ensureJumbo Frames is enabled.
Answers
D.
Within the new VPC - deploy a software based virtual router (for example a Cisco CSR). Configure with dual ENIs (external and internal), create and attach an EIP to the external ENI, Configure and setup IPsec VPN tunnels, and ensureJumbo Frames is enabled.
Suggested answer: B

Explanation:

Explanation:

Answer A - Let's start by stating that all possible options are actually workable solutions. The key criteria of the question is to complete the data migration aspects as *quickly* as possible. With this in mind we can immediately rule out Answer A - due to the time it takes to provision and activate a fully functional Direct Connect connection, 72+ hrs. Answer C is the same as Answer D but lacks BGP - therefore we would need to setup the routes manually - more time and effort. Additionally Answer D uses Jumbo Frames - but AWS does not support Jumbo frames over the Virtual Private Gateway - therefore Answer D's use of Jumbo Frames is negated. Overall Answer B is considered the quickest option.

Reference: http://docs.aws.amazon.com/AmazonVPC/latest/NetworkAdminGuide/GenericConfig.html

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asked 16/09/2024
Nathalie Yip
38 questions
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