Class 1 - Internetworking Flashcards
- Like a cable tv splitter the same signal appears on every port
-Everyone on the same Collision Domain
What am I?
A Hub
-Selective about which ports deliver traffic
-Breaks up a network in to multiple Collision Domains
What am I?
A switch
-Joins multiple networks in to an Internetwork
-Creates multiple Collision Domains
-Creates multiple Broadcast Domains
What am I?
A router
Name the 4 lower layers of the OSI model.
-Transport
-Network
-Datalink
-Physical
Name the 3 upper layers of the OSI model.
-Application
-Presentation
-Session
What is the function of the physical layer?
Physical topology
What is the function of the datalink layer?
Framing
What is the function of the network layer?
Routing.
What is the function of the transport layer?
End-to-end connection
What is the function of the session layer?
Dialogue control.
What is the function of the presentation layer?
Data encryption, compression, and translation services.
What is the function of the application layer?
File, print, message, database, and application services.
TCP 3-way handshake creates a…
Virtual circuit.
Flow control is controlled by the…
Receiver
In TCP all data received is acknowledged we can speed things up if we are allowed to send multiple packets before getting an…
ACK (acknowledgement)
