This is the write up for the room Introductory Networking room on Tryhackme
Make connection with VPN or use the attackbox on Tryhackme site to connect to the Tryhackme lab enviroment
The Tasks for room Introductory Networking
Task 1:
This is the introduction Task. Read all that is in the task and press complete
Task 2:
Read all that is in the task. This is very important to remember.
The answer of question one can be found in the explanation of layer 4. The transport layer

The answer of question Two can be found in the explanation of layer 2. The Data link layer

The answer of question three can be found in the explanation of layer 2. The Data link layer

The answer of question four can be found in the explanation of layer 1. The Physical layer

The answer of question five can be found in the explanation of layer 6. The Presentation layer

The answer of question six can be found in the explanation of layer 5. The Session layer

The answer of question seven can be found in the explanation of layer 7. The Application layer

The answer of question eight can be found in the explanation of layer 3. The Network Layer

The answer of question nine can be found in the explanation of layer 4. The Transport Layer

The answer of question ten can be found by thinking logic. FTP is a protocol but it is sending data with tcp/ip and therefor FTP is an application

The last question in the task can be found in the explanation of layer 4. The Transport Layer

Task 3:
The first question is not really in the text. At least I could not find it. But with a couple of google searches here is the answer

The answer of question two can be found in the explanation of layer 4. The Transport Layer in previous task

The answer of question four can be found in the text of the task itself

The answer of question five can be found in the explanation of layer 2. The Data link layer

The last question can also be found in the explanation of this task

Task 4:
Read all that is in the task. All answer of the questions in this task can be found in the text of the task itself

Task 5:
Read all that is in this task. Wireshark is very imported when it come to pentesting. This is just a first start and out of scope in this room
The first answer can be found here


For the answer of question 4 we first need to find the protocol. Which is the internet protocol and we have learned that that belongs to the network layer


The answer of the next question is also in the same screen


The answer of question four can be found in the same screen


Question five can be found in what you have learned in task 2 and what is in from of you


The last question can be found in the explanation of Data link layer in task 2

The next task are about Networking Tools
Task 6:
The answer of the first question is in the aswer itself and the explanation of this tool in this task

For question 2 type in the command ping muilandoracle.co.uk and see the results


The answer for question three we need to type man ping in the terminal


For the next question we need to look at the man pages aswel


For the last question we also look at the man pages


Task 7:
Read all that is in the task and press complete the first question to continue
For the second question we type in the command man traceroute in the terminal
in the attack box I’m getting this. So will give out the answer. But mind this that all switches of command can be found by typing man <command>


Task 8:
If you do not have whois and getting an arror when trying the command then type in apt get whois and it will install the command.
Perform the first task in the terminal and move the the first question.


The second question can also be found with the same command


Type in the command whois microsoft.com and press complete
The third question can be found in the command you just typed


The fourth question we need to google. You have the address of Microsoft from the whois command. Now put that in maps.google.com and look for golf clubs near by.


For the next question type in whois microsoft and look for Tech email


Task 9:
The first questions can be found in the text of the task

The fifth question can be found with just one google string


The last question we need to calculate. TTL is in seconds. 60*60 = 3600 is one hour. 3600*24 = 86400

Task 10:
Read all that is in the task and press complete
Conclusion of room Introductory Networking
We have learned about
- The OSI Model
- The TCP/IP Model
- How these models look in practice
- An introduction to basic networking tools
And we know google is our friend