Network Fundamentals: Intro to LAN (TryHackMe)

In this article, we’ll cover the Introduction to LAN room on TryHackMe which includes an Introduction to LAN Topologies, a Primer on Subnetting, The ARP Protocol, and the DHCP Protocol.

What does LAN stand for? Local Area Network
What is the verb given to the job that Routers perform? Routing
What device is used to centrally connect multiple devices on the local network and transmit data to the correct location? Switch
What topology is cost-efficient to set up? Bus Topology
What topology is expensive to set up and maintain? Star Topology
Complete the interactive lab attached to this task. What is the flag given at the end? THM{TOPOLOGY_FLAWS}
What is the technical term for dividing a network up into smaller pieces? Subnetting
How many bits are in a subnet mask? 32
What is the range of a section (octet) of a subnet mask? 0-255
What address is used to identify the start of a network? Network Address
What address is used to identify devices within a network? Host Address
What is the name used to identify the device responsible for sending data to another network? Default Gateway
What does ARP stand for? Address Resolution Protocol
What category of ARP Packet asks a device whether or not it has a specific IP address? Request
What address is used as a physical identifier for a device on a network? MAC Address
What address is used as a logical identifier for a device on a network? IP Address
What type of DHCP packet is used by a device to retrieve an IP address? DHCP Discover
What type of DHCP packet does a device send once it has been offered an IP address by the DHCP server? DHCP Request
Finally, what is the last DHCP packet that is sent to a device from a DHCP server? DHCP ACK