L1: Explaining the OSI and TCP/IP Models

Question 1

What is Layer 1 of the OSI Model called?

Answer 1

Physical

Question 2

What is the PDU name of Layer 1 of the OSI Model?

Answer 2

Bit Stream

Question 3

What layer is a Transceiver in?

Answer 3

Layer 1

Question 4

What layer is a Repeater in?

Answer 4

Layer 1

Question 5

What layer is a Hub in?

Answer 5

Layer 1

Question 6

What layer is a Modem in?

Answer 6

Layer 1

Question 7

What layer is a Media Converter in?

Answer 7

Layer 1

Question 8

What is Layer 2 of the OSI Model called?

Answer 8

Data Link

Question 9

What is the PDU name of Layer 2 of the OSI Model?

Answer 9

Frame

Question 10

What layer is a Network adapter/Network Interface Card (NIC) in?

Answer 10

Layer 2

Question 11

What layer is a Basic Switch in?

Answer 11

Layer 2

Question 12

What layer is a Wireless Access Point (AP) in?

Answer 12

Layer 2

Question 13

What layer is a Bridge in?

Answer 13

Layer 2

Question 14

What is Layer 3 of the OSI Model called?

Answer 14

Network

Question 15

What is the PDU name of Layer 3 of the OSI Model?

Answer 15

Packet

Question 16

What layer is a Router in?

Answer 16

Layer 3

Question 17

What layer is a L3 Switch in?

Answer 17

Layer 3

Question 18

What layer is a Basic Firewall in?

Answer 18

Layer 3

Question 19

What is Layer 4 of the OSI Model called?

Answer 19

Transport

Question 20

What are the two PDU names of Layer 4 of the OSI Model?

Answer 20

Segment or Datagram

Question 21

What method of delivering packets has an established connection?

Answer 21

TCP (Transmission Control Protocol)

Question 22

What method of delivering packets is connectionless?

Answer 22

UDP (User Datagram Protocol)

Question 23

What layer is an Advanced Firewall and IDS in?

Answer 23

Layer 4

Question 24

What is Layer 5 of the OSI model called?

Answer 24

Session

Question 25

What is Layer 6 of the OSI model called?

Answer 25

Presentation

Question 26

What is Layer 7 of the OSI model called?

Answer 26

Application

Question 27

What is the PDU name of Layers 5/6/7 of the OSI Layer?

Answer 27

Data

Question 28

What is a link?

Answer 28

Communication pathway between network nodes

Question 29

What is a node?

Answer 29

Any device that can connect to a network through a network interface (Think NIC)