CompTIA Network+ Exam N10-007 OSI Layers Quiz

What is the name of a data unit used at the OSI physical layer?

Bit

Which of following protocols reside(s) at the OSI network layer? Your answer IPv4 UDP IPsec TCP IPv6 ICMP

IPv4 IPsec IPv6 ICMP

Internet Protocol Security (IPsec) resides at:

Internet Protocol Security (IPsec) resides at:

Routers operate at:

Layer 3 (Network)

Which of the protocols listed below resides at the session layer of the OSI model?

PPTP

Which OSI layer assumes responsibility for managing network connections between applications?

Session layer

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? Router Passive hub Ethernet switch Repeater

Ethernet switch

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

HTTP FTP SMTP

Which of the following reside at the physical layer of the OSI model? Router Hub Switch Network cabling Bridge

Hub Network cabling

At which of the OSI layers IP addressing takes place?

Layer 3

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

MAC address Switch Frame

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

Bit Network cabling

In the OSI model, Media Access Control (MAC) and Logical Link Control (LLC) sublayers are the components of:

Data link layer

Which OSI layer is responsible for breaking up data into segments?

Transport layer

Data encryption and decryption typically takes place at the:

Presentation layer of the OSI mode

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? (Select 3 answers) Router Network cabling IP address TCP/UDP protocols Switch Packet

Router IP address Packet