Network+ OSI layers
In the OSI model, physical addressing takes place at the:
Data link layer
Which of the following devices resides at the data link layer of the OSI model?
Ethernet Switch
Which of the following protocols reside at the application layer of the OSI model?
HTTP FTP SMTP
Which of the following reside at the physical layer of the OSI model
Hub, Cabling
Which of following protocols reside(s) at the OSI network layer?
IPV4, IPV6, IPSec, ICMP
At which of the OSI layers IP addressing takes place?
Layer 3
What are the characteristic components of the OSI data link layer?
MAC address, Switch, Frame
Layer 3
Network Layer
Routers operate at
Network Layer
Internet Protocol Security (IPsec) resides at:
Network Layer of the OSI Model
Which of the protocols listed below resides at the session layer of the OSI model?
PPTP
Layer 1
Physical Layer
Layer 7
Application Layer
What is the name of a data unit used at the OSI physical layer?
Bit
Which of the following reside at the physical layer of the OSI model?
Bit, Cabling
Layer 1
Cabling, bit
Layer 2
Data Link Layer
In the OSI model, Media Access Control (MAC) and Logical Link Control (LLC) sublayers are the components of:
Data link layer
User Datagram Protocol (UDP) resides at:
Transport layer (Layer 4)
Data encryption and decryption typically takes place at the:
Presentation Layer
Layer 6
Presentation Layer
Character encoding, data compression and encryption/decryption take place at the:
Presentation layer of the OSI model
Which of the answers listed below refer to components that reside at the OSI network layer
Router, IP, Packet
Layer 5
Session Layer
Which OSI layer is responsible for breaking up data into segments?
Transport layer
Which OSI layer assumes responsibility for managing network connections between applications?
Session layer
Which of the following protocols reside at the OSI transport layer?
TCP, UDP
In the OSI model, Transmission Control Protocol (TCP) resides at:
Transport Layer
Layer 4
Transport Layer