L1: Explaining the OSI and TCP/IP Models Flashcards
What is Layer 1 of the OSI Model called?
Physical
What is the PDU name of Layer 1 of the OSI Model?
Bit Stream
What layer is a Transceiver in?
Layer 1
What layer is a Repeater in?
Layer 1
What layer is a Hub in?
Layer 1
What layer is a Modem in?
Layer 1
What layer is a Media Converter in?
Layer 1
What is Layer 2 of the OSI Model called?
Data Link
What is the PDU name of Layer 2 of the OSI Model?
Frame
What layer is a Network adapter/Network Interface Card (NIC) in?
Layer 2
What layer is a Basic Switch in?
Layer 2
What layer is a Wireless Access Point (AP) in?
Layer 2
What layer is a Bridge in?
Layer 2
What is Layer 3 of the OSI Model called?
Network
What is the PDU name of Layer 3 of the OSI Model?
Packet
What layer is a Router in?
Layer 3
What layer is a L3 Switch in?
Layer 3
What layer is a Basic Firewall in?
Layer 3
What is Layer 4 of the OSI Model called?
Transport
What are the two PDU names of Layer 4 of the OSI Model?
Segment or Datagram
What method of delivering packets has an established connection?
TCP (Transmission Control Protocol)
What method of delivering packets is connectionless?
UDP (User Datagram Protocol)
What layer is an Advanced Firewall and IDS in?
Layer 4
What is Layer 5 of the OSI model called?
Session
