TryHackMe - OSI Model
| Key | Value |
|---|---|
| Room | osimodelzi |
| Date | 2021-10-13 |
| User | wastebasket |
Task 1: What is the OSI Model?
What does the “OSI” in “OSI Model” stand for?
Open Systems Interconnection
How many layers (in digits) does the OSI model have?
7
What is the key term for when pieces of information get added to data?
encapsulation
Task 2: Layer 7 - Application
What is the name of this Layer?
application
What is the technical term that is given to the name of the software that users interact with?
Graphical User Interface
Task 3: Layer 6 - Presentation
What is the name of this Layer?
presentation
What is the main purpose that this Layer acts as?
translator
Task 4: Layer 5 - Session
What is the name of this Layer?
session
What is the technical term for when a connection is successfully established?
session
What is the technical term for “small chunks of data”?
packets
Task 5: Layer 4 - Transport
What is the name of this Layer?
transport
What does TCP stand for?
Transmission Control Protocol
What does UDP stand for?
User Datagram Protocol
What protocol guarantees the accuracy of data?
tcp
What protocol doesn’t care if data is received or not by the other device?
udp
What protocol would an application such as an email client use?
tcp
What protocol would an application that downloads files use?
tcp
What protocol would an application that streams video use?
udp
Task 6: Layer 3 - Network
What is the name of this Layer?
network
Will packets take the most optimal route across a network? (Y/N)
y
What does the acronym “OSPF” stand for?
Open Shortest Path First
What does the acronym “RIP” stand for?
Routing Information Protocol
What type of addresses are dealt with at this layer?
IP addresses
Task 7: Layer 2 - Data Link
What is the name of this Layer?
data link
What is the name of the piece of hardware that all networked devices come with?
Network Interface Card
Task 8: Layer 1 - Physical
What is the name of this Layer?
physical
What is the name of the numbering system that is both 0’s and 1’s?
binary
What is the name of the cables that are used to connect devices?
ethernet cables
Task 9: Practical - OSI Game
Escape the dungeon to retrieve the flag. What is the flag?
THM{OSI_DUNGEON_ESCAPED}