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Networking Fundamentals Series' Articles
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What Is a VPN? Tunnels, Encryption & When to Use One
Long Nguyen
Long Nguyen
Long Nguyen
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Mar 30
What Is a VPN? Tunnels, Encryption & When to Use One
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security
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vpn
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networking
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privacy
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1 min read
Network Troubleshooting Basics: A Compact Step-by-Step Guide for Beginners
Long Nguyen
Long Nguyen
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Mar 30
Network Troubleshooting Basics: A Compact Step-by-Step Guide for Beginners
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networking
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sysadmin
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devops
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beginners
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1 min read
Packet Loss & Jitter: Quick Troubleshooting to Fix VoIP, Video & Gaming
Long Nguyen
Long Nguyen
Long Nguyen
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Mar 30
Packet Loss & Jitter: Quick Troubleshooting to Fix VoIP, Video & Gaming
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networking
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devops
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performance
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sysadmin
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2 min read
Bandwidth vs Latency vs Throughput — What Really Impacts Network Performance
Long Nguyen
Long Nguyen
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Mar 30
Bandwidth vs Latency vs Throughput — What Really Impacts Network Performance
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networking
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performance
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devops
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monitoring
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2 min read
MTU Explained: Fragmentation, PMTUD, and Practical Troubleshooting
Long Nguyen
Long Nguyen
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Mar 30
MTU Explained: Fragmentation, PMTUD, and Practical Troubleshooting
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networking
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mtu
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tcp
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devops
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2 min read
TCP vs UDP: When to Choose Reliability or Low Latency (Quick Guide)
Long Nguyen
Long Nguyen
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Mar 31
TCP vs UDP: When to Choose Reliability or Low Latency (Quick Guide)
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networking
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tcp
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udp
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devops
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1 min read
What is a Firewall? Practical Beginner’s Guide to Rules, Types, and Best Practices
Long Nguyen
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Mar 31
What is a Firewall? Practical Beginner’s Guide to Rules, Types, and Best Practices
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security
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networking
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devops
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cloud
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1 min read
DHCP Explained — Quick Leases, DORA, and Troubleshooting Cheatsheet
Long Nguyen
Long Nguyen
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Mar 31
DHCP Explained — Quick Leases, DORA, and Troubleshooting Cheatsheet
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networking
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dhcp
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sysadmin
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devops
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1 min read
NAT Explained: SNAT vs DNAT, PAT & Why It Matters
Long Nguyen
Long Nguyen
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Mar 31
NAT Explained: SNAT vs DNAT, PAT & Why It Matters
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networking
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nat
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ipv4
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linux
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1 min read
Modem vs Router vs Switch vs Access Point — Quick Home Networking Guide
Long Nguyen
Long Nguyen
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Mar 31
Modem vs Router vs Switch vs Access Point — Quick Home Networking Guide
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networking
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homenetwork
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beginners
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hardware
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1 min read
DNS Explained — Practical, Step-by-Step Name Resolution & Best Practices
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Apr 1
DNS Explained — Practical, Step-by-Step Name Resolution & Best Practices
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dns
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networking
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devops
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sysadmin
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1 min read
How Routers Work — Routing Tables, Next Hop & Longest Prefix Match (Beginner Primer)
Long Nguyen
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Apr 1
How Routers Work — Routing Tables, Next Hop & Longest Prefix Match (Beginner Primer)
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networking
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routers
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beginners
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howto
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1 min read
VLAN Basics for Network Design: Segmentation, 802.1Q, and Inter‑VLAN Routing
Long Nguyen
Long Nguyen
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Apr 1
VLAN Basics for Network Design: Segmentation, 802.1Q, and Inter‑VLAN Routing
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vlan
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networking
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networkdesign
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sysadmin
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2 min read
IPv6 Basics: A Practical Starter — Addresses, /64 Subnets & Transition Paths
Long Nguyen
Long Nguyen
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Apr 2
IPv6 Basics: A Practical Starter — Addresses, /64 Subnets & Transition Paths
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ipv6
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networking
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beginners
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devops
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1 min read
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