WGU C172: NETWORK AND SECURITY – FOUNDATIONS STUDY GUIDE WITH COMPLETE SOLUTION

WGU C172: NETWORK AND SECURITY – FOUNDATIONS
STUDY GUIDE WITH COMPLETE SOLUTION
TCP/IP Model Layers

answers: 4. Application

3. Transport

2. Network

1. Network Interface

OSI Model Layers

answers: 7. Application

6. Presentation

5. Session

4. Transport

3. Network

2. Data Link

1. Physical

OSI Model



answers: Open Systems Interconnection Model

TCP/IP Model



answers: Transmission Control Protocol and Internet Protocol Model

TCP/IP Application Layer

, answers: Responsible for the communication protocols between nodes. Includes
HTTP/HTTPS, SSH, NTP, etc.



OSI Model =

Layer 7 - Application

Layer 6 - Presentation

Layer 5 - Session

TCP/IP Transport Layer



answers: Responsible for the end-to-end transport of data. i.e. TCP / UDP.



OSI Model =

Layer 4 -Transport

TCP/IP Network Layer



answers: Defines the logical transmission protocols for the whole network. i.e. IP,
ICMP, ARP



OSI Model =

Layer 3 - Network

TCP/IP Network Interface Layer



answers: Establishes how data should be physically sent through the network.