OSI Layers Flashcards
What is Level 1 of the OSI model?
Application, Data link, Network, Physical, Presentation, Session, or Transport
Media layer or Host layer?
Physical
Media layer
What is Level 2 of the OSI model?
Application, Data link, Network, Physical, Presentation, Session, or Transport
Media layer or Host layer?
Data link
Media layer
What is Level 3 of the OSI model?
Application, Data link, Network, Physical, Presentation, Session, or Transport
Media layer or Host layer?
Network
Media layer
What is Level 4 of the OSI model?
Application, Data link, Network, Physical, Presentation, Session, or Transport
Media layer or Host layer?
Transport
Host layer
What is Level 5 of the OSI model?
Application, Data link, Network, Physical, Presentation, Session, or Transport
Media layer or Host layer?
Session
Host layer
What is Level 6 of the OSI model?
Application, Data link, Network, Physical, Presentation, Session, or Transport
Media layer or Host layer?
Presentation
Host layer
What is Level 7 of the OSI model?
Application, Data link, Network, Physical, Presentation, Session, or Transport
Media layer or Host layer?
Application
Host layer
What is the function of the Application layer?
What is an example of something that operates on that level?
High-level protocols such as for resource sharing or remote file access
Hypertext Transfer Protocol (HTTP)
File Transfer Protocol (FTP)
Domain Name System (DNS)
Dynamic Host Configuration Protoco (DHCP)
Simple Mail Transfer Protocol (SMTP)
What is the function of the Presentation layer?
What is an example of something that operates on that level?
Translation of data between a networking service and an application
Secure Sockets Layer (SSL)
Joint Photographic Experts Group (JPEG)
Portable Network Graphic (PNG)
Musical Instrument Digital Interface (MIDI)
American Standard Code for Information Interchange (ASCII)
What is the function of the Session layer?
What is an example of something that operates on that level?
Managing communication sessions, i.e., continuous exchange of information in the form of multiple back-and-forth transmissions between two nodes
Session Initiation Protocol (SIP)
Point-to-Point Tunneling Protocol (PPTP)
AppleTalk Data Stream Protocol (ADSP)
What is the function of the Transport layer?
What is an example of something that operates on that level?
Reliable transmission of data segments between points on a network
Transmission Control Protocol (TCP)
User Datagram Protocol (UDP)
What is the function of the Network layer?
What is an example of something that operates on that level?
Structuring and managing a multi-node network
Internet Protocol (IP)
What is the function of the Data link layer?
What is an example of something that operates on that level?
Transmission of data frames between two nodes connected by a physical layer
Ethernet
Point-to-Point Protocol (PPP)
Address Resolution Protocol (ARP)
Spanning Tree Protocol (STP)
What is the function of the Physical layer?
What is an example of something that operates on that level?
Transmission and reception of raw bit streams over a physical medium
Ethernet
Wi-Fi
Bluetooth
USB (Universal Serial Bus)
DSL (Digital Subscriber Line)
