Jiaxi Liu (Jesse)

UNSW Master of IT · Open to Software Development Roles

Full-stack & Backend Development · API Integration · Automation · Exploring AI Agents

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Thoughts on AI, software, and life. Short notes and long-form writing.

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AWSMay 23, 2026

AWS CLF-C02 Review: Region Selection, High Availability, Edge Locations, VPC, Gateways, and Security Groups

AWS NetworkingCloudFrontRoute 53

AWS networking is about how resources are isolated, connected, and exposed.

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AWSMay 23, 2026

AWS VPC Networking Review: Subnet, Route Table, IGW, NAT, VPN, Direct Connect, Security Group, and NACL

AWS NetworkingVPCSecurity Group

A VPC is a private network space in AWS. EC2 instances run inside subnets, and subnets belong to a VPC.

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