Network Flashcards
(24 cards)
What does OSI model stand for?
Open Systems Interconnection model.
Layer 7 (OSI)
Application (Scribe)
Layer 6 (OSI)
Presentation (007)
Layer 5 (OSI)
Session (lawyer)
Layer 4 (OSI)
Transport (middle manager)
Layer 3 (OSI)
Network (mail room)
Layer 2 (OSI)
Data Link (envelope)
Layer 1 (OSI)
Physical (Fed ex truck)
Layer 4(TCP/IP)
Application (application, presentation, and session)
Layer 3 (TCP/IP)
Transport
Layer 2 (TCP/IP)
Internet
Layer 1 (TCP/IP)
Link (Data link, Physical)
Layer 5 (ACTUAL)
Application (application, presentation, and session)
Layer 4 (ACTUAL)
Transport
Layer 3 (ACTUAL)
Network
Layer 2 (ACTUAL)
Data Link
Layer 1 (ACTUAL)
Physical
CORE TCP\IP PROTOCOL: TCP
Transmission control protocol- connection oriented +reliable: works by getting acknowledgment that connection was made.
CORE TCP\IP PROTOCOL: UDP
User data protocol- Connectionless+unreliable: No acknowledgement needed about connection.
CORE TCP\IP PROTOCOL: IP
Internet protocol- operates at network layer. where the correct IP addresses are added
CORE TCP\IP PROTOCOL: ICMP
Internet control message protocol- does support services for IP functionality
HTTP(hypertext transfer protocol)
PROTOCOL USED AT APPLICATION LAYER WHEN USER VISITS WEBISTE
DNS Queries
use the transport protocol of UDP
T or F?
Http uses the transport protocol of TCP
