Connection Models
There are three connection models available for AWS Direct Connect: Dedicated Connections, Hosted Connections, and Hosted Virtual Interfaces. A Dedicated Connection is a physical Ethernet connection with a 1 Gbps or 10 Gbps port capacity, directly connecting your environment to AWS. Hosted Connection is a re-sold AWS Direct Connect service offered by the AWS Partner Network (APN) partners in a shared capacity. Hosted Virtual Interfaces, on the other hand, allow APN partners to create virtual interfaces for multiple customers using a single Direct Connect connection.
AWS Direct Connect Connection Models Guide
AWS Direct Connect Connection Models are an integral part of AWS Solution Architect knowledge base.
Why it's important:
Understanding Connection Models will allow optimizing connections between on-premises networks and Amazon VPCs for better performance and reliability, leading to improved applications, and a more seamless experience for end users.
What it is:
AWS Direct Connect allows establishing a dedicated network connection from a premise to AWS. Connection Models refer to the different methods available for configuring these connections – Dedicated and Hosted Connections.
How it works:
Dedicated Connections: Physically dedicated connections for users, offered by AWS.
Hosted Connections: Connections that service providers create on behalf of users.
Exam Tips: Answering Questions on Connection Models
- Understand the difference between Dedicated and Hosted Connection models.
- Know when to use a particular model. Dedicated for larger bandwidth requirements, Hosted for smaller ones.
- Be aware of the capacity of each model. A dedicated connection can have a capacity of 1 Gbps or 10 Gbps, while a hosted one can range from 50 Mbps to 10 Gbps.
- Remember, with AWS Direct Connect, data transfer over the connection is charged at a reduced rate.
Understanding this topic thoroughly can help tackle questions about bandwidth, costs and performance optimization on the AWS Solution Architect exam.
AWS Certified Solutions Architect - AWS Direct Connect Example Questions
Test your knowledge of Amazon Simple Storage Service (S3)
Question 1
A company needs to securely transfer sensitive information between their on-premises data center and AWS. They require a dedicated network connection. What solution is most appropriate for their needs?
Question 2
An application running on EC2 instances in a VPC needs to access resources in another VPC. The VPCs have non-overlapping CIDR blocks. Which of the following is the best solution to achieve this?
Question 3
A company has a large number of offices across the globe. They want to connect their on-premises networks to AWS with each office having its own VPC. What's the best solution for this scenario?
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