[TryHackMe]Intro To LAN

Task 1. Introducing LAN Topologies

Questions	Answers	Hint
What does LAN stand for?	Local Area Network
What is the verb given to the job that Routers perform?	Routing	This is the term given to deciding what route packets should take
What device is used to centrally connect multiple devices on the local network and transmit data to the correct location?	Switch	Something smarter than a hub/repeater
What topology is cost-efficient to set up?	Bus Topology	*** Topology
What topology is expensive to set up and maintain?	Star Topology	**** Topology
Complete the interactive lab attached to this task. What is the flag given at the end?	THW{TOPOLOGY_FLAWS}

Task 2. A Primer on Subnetting

Questions	Answers	Hint
What is the technical term for dividing a network up into smaller pieces?	Subnetting
How many bits are in a subnet mask?	32	This can be converted into 4 bytes
What is the range of a section (octet) of a subnet mask?	0-255	Smallest to largest
What address is used to identify the start of a network?	Netwok Address	******* Address
What address is used to identify devices within a network?	Host Address	**** Address
What is the name used to identify the device responsible for sending data to another network?	Default Gateway

Task 3. The ARP Protocol

Questions	Answers	Hint
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	*** Address
What address is used as a logical identifier for a device on a network?	IP Address	** Address

Task 4. The DHCP Protocol

Questions	Answers	Hint
What type of DHCP packet is used by a device toretrieve an IP address?	DHCP Discover	DHCP ********
What type of DHCP packet does a device send once it has been offered an IP address by the DHCP server?	DHCP Request	DHCP *******
Finally, what is the last DHCP packet that is sent to a device from a DHCP server?	DHCP ACK	DHCP ***