概要
TryHackMe「Intro to LAN」のWalkthroughです。
Task1
Q1.What does LAN stand for?
A.Local Area Network
Q2.What is the verb given to the job that Routers perform?
Hint.This is the term given to deciding what route packets should take
A.Routing
Q3.What device is used to centrally connect multiple devices on the local network and transmit data to the correct location?
Hint.Something smarter than a hub/repeater.
A.Switch
Q4.What topology is cost-efficient to set up?
Hint.***Topology
A.Bus Topology
Q5.What topology is expensive to set up and maintain?
Hint.***Topology
A.Star Topology
Q6.Complete the interactive lab attached to this task. What is the flag given at the end?
View Siteをクリックするとネットワーク構成の解説とミニゲームがあります。
最後まで進めるとフラグゲットです。
A.THM{TOPOLOGY_FLAWS}
Task2
Q1.What is the technical term for dividing a network up into smaller pieces?
A.Subnetting
Q2.How many bits are in a subnet mask?
Hint.This can be converted into 4 bytes
A.32
Q3.What is the range of a section (octet) of a subnet mask?
Hint.Smallest to largest
A.0-255
Q4.What address is used to identify the start of a network?
Hint.******* Address
A.Network Address
Q5.What address is used to identify devices within a network?
Hint.**** Address
A.Host Address
Q6.What is the name used to identify the device responsible for sending data to another network?
A.Default Gateway
Task3
Q1.What does ARP stand for?
A.Address Resolution Protocol
Q2.What category of ARP Packet asks a device whether or not it has a specific IP address?
A.Request
Q3.What address is used as a physical identifier for a device on a network?
Hint.*** Address
A.MAC Address
Q4.What address is used as a logical identifier for a device on a network?
Hint.** Address
A.IP Address
Task4
Q1.What type of DHCP packet is used by a device to retrieve an IP address?
Hint.DHCP ********
A.DHCP Discover
Q2.What type of DHCP packet does a device send once it has been offered an IP address by the DHCP server?
Hint.DHCP *******
A.DHCP Request
Q3.Finally, what is the last DHCP packet that is sent to a device from a DHCP server?
Hint.DHCP ***
A.DHCP ACK