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

• 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

• What is the name of this Layer?

Presentation

• What is the main purpose that this Layer acts as?

Translator

• 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

• 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

• 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

• 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

• 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

• Escape the dungeon to retrieve the flag. What is the flag?

THM{OSI_DUNGEON_ESCAPED}