Troubleshooting Flash Cards

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LAN

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A local area network (LAN) is a collection of devices connected together in one physical location, such as a building, office, or home. A LAN can be small or large, ranging from a home network with one user to an enterprise network with thousands of users and devices in an office or school

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WAN

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Wide Area Network connects computers over a wider area, like region to region or continent to continent. SpaceX campus is a WAN.

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VPN

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Virtual Private Network - Allows users to connect to a private network over the internet securely and privately. Creates an encrypted connection called a VPN tunnel and obscures origin of any data request made, allowing user to be anonymous.

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Latency

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The time it takes for data to travel from one point to another in a network. Latency is measured in milliseconds (ms). Closer to 0, the better. Ping is different - it is the time it takes for a small amount of data to be sent from a device to a server and back to the device. Ping is also measured in milliseconds (ms)

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Throughput

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Handoff

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When your Starlink has to switch from one satellite to another (can be proactive or reactive switch)

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IP

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Internet Protocol - IPV4 and IPV6.

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Public IP

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the unique, identifiable address assigned to your home network by your internet service provider (ISP), which allows your devices to connect to the wider internet and be reached by other devices online; essentially, it's the "address" that websites and servers use to send data directly to your network, similar to a mailing address on a package

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Private IP

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In order for a private IP address to access the Internet, the network must perform NAT (Network Address Translation) to translate the private IP into a routable public IP.

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DHCP

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Dynamic Host Configuration Protocol - Dynamic IP addresses always keep changing. It is temporary and allocated to a device every time it connects to the web. (If need more info, see Router FAQ Playbook)