OSI Layer Quiz

Question 1

Which of the following protocols reside at the application layer of the OSI model? (Select 3 answers)
Please select 3 options.
ATM
HTTP
FTP
IP
SMTP
TCP/UDP

Answer 1

HTTP ✅
FTP ✅
SMTP ✅

Question 2

In the OSI model, physical addressing takes place at the:
Data link layer
Layer 4
Physical layer
Session layer

Answer 2

Data link layer ✅

Question 3

Character encoding, data compression and encryption/decryption take place at the:
Application layer of the OSI model
Presentation layer of the OSI model
Session layer of the OSI model
Transport layer of the OSI model

Answer 3

Presentation layer of the OSI model ✅

Question 4

Which OSI layer assumes responsibility for managing network connections between applications?
Network layer
Data link layer
Application layer
Session layer

Answer 4

Session layer ✅

Question 5

In the OSI model, Media Access Control (MAC) and Logical Link Control (LLC) sublayers are the components of:
Session layer
Data link layer
Transport layer
Network layer

Answer 5

Data link layer ✅

Question 6

User Datagram Protocol (UDP) resides at:
Transport layer
Network layer
Data link layer
Physical layer

Answer 6

Transport layer ✅

Question 7

Which OSI layer is responsible for breaking up data into segments?
Network layer
Transport layer
Presentation layer
Data link layer

Answer 7

Transport layer ✅

Question 8

Routers operate at:
Physical layer of the OSI model
Application layer of the OSI model
Network layer of the OSI model

Answer 8

Network layer of the OSI model ✅

Question 9

At which of the OSI layers IP addressing takes place?
Layer 3
Layer 1
Layer 4
Layer 6

Answer 9

Layer 3 ✅

Question 10

Data encryption and decryption typically takes place at the:
Layer 5 of the OSI model
Presentation layer of the OSI model
Layer 7 of the OSI model
Data link layer of the OSI model

Answer 10

Presentation layer of the OSI model ✅

Question 11

Which of the following devices resides at the data link layer of the OSI model?
Router
Passive hub
Ethernet switch
Repeater

Answer 11

Ethernet switch ✅

Question 12

In the OSI model, Transmission Control Protocol (TCP) resides at:
Please select 2 options.
Transport layer
Application layer
Network layer

Answer 12

Transport layer ✅

Question 13

Which of following protocols reside(s) at the OSI network layer? (Select all that apply)
Please select 3 options.
IPv4
UDP
TCP
IPv6
ICMP

Answer 13

IPv4 ✅
IPv6 ✅
ICMP ✅

Question 14

Which of the following protocols reside at the OSI transport layer? (Select 2 answers)
Please select 2 options.
UDP
SSL/TLS
ICMP
TCP
ARP
PPTP

Answer 14

UDP ✅
TCP ✅

Question 15

Which of the answers listed below refer to components that reside at the OSI network layer? (Select 3 answers)
Please select 3 options.
Router
Network cabling
IP address
TCP/UDP protocols
Switch
Packet

Answer 15

Router ✅
IP address ✅
Packet ✅

Question 16

What are the characteristic components of the OSI data link layer? (Select 3 answers)
Please select 3 options.
MAC address
Packet
Switch
Network cabling
Router
Frame

Answer 16

MAC address ✅
Switch ✅
Frame ✅

Question 17

Which of the following reside at the physical layer of the OSI model? (Select 2 answers)
Please select 2 options.
IP address
Switch
Bit
Router
Network cabling
Frame

Answer 17

Bit ✅
Network cabling ✅