CompTIA Network+ Exam N10-007 OSI Layers Quiz

OSI layer 7 is also known as: • Application layer • Session layer • Presentation layer • Transport layer

Application layer

Which of following protocols reside(s) at the OSI network layer? (Select all that apply) • IPv4 • UDP • IPsec • TCP • IPv6 • ICMP

IPv4 IPsec IPv6 ICMP

The application layer of the OSI model is also referred to as: • Layer 1 • Layer 3 • Layer 6 • Layer 7

Layer 7

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

UDP TCP

Physical layer of the OSI model is also known as: • Layer 2 • Layer 7 • Layer 1 • Layer 4

layer 1

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

Data link layer

Layer 2 of the OSI model is also referred to as: • Transport layer • Network layer • Data link layer • Physical layer

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? (Select 2 answers) • Router • Hub • Switch • Network cabling • Bridge

Hub Network cabling

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

Layer 3

Which of the terms listed below refers to the OSI network layer? • Layer 2 • Layer 5 • Layer 3 • Layer 4

Layer 3

Routers operate at: (Select 2 answers) • Physical layer of the OSI model • Application layer of the OSI model • Layer 3 of the OSI model • Network layer of the OSI model • Layer 5 of the OSI model

Layer 3 of the OSI model Network layer of the OSI model

The term "Transport layer" refers to: • Layer 7 of the OSI model • Layer 5 of the OSI model • Layer 6 of the OSI model • Layer 4 of the OSI model

Layer 4 of the OSI model

In the OSI model, session layer is also referred to as: • Layer 4 • Layer 6 • Layer 5 • Layer 3

Layer 5

The term "Presentation layer" refers to: • Layer 7 of the OSI model • Layer 5 of the OSI model • Layer 6 of the OSI model • Layer 4 of the OSI model

Layer 6 of the OSI model

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

Transport layer resides between which two other layers of the OSI model? • Network and Session • Presentation and Application • Physical and Network • Physical and Data link

Network and Session

Layer 3 of the OSI model is also known as: • Data link layer • Network layer • Session layer • Transport layer

Network layer

Internet Protocol Security (IPsec) resides at: • Network layer of the OSI model • Transport layer of the OSI model • Session layer of the OSI model • Presentation layer of the OSI model

Network layer of the OSI model

Which of the protocols listed below resides at the session layer of the OSI model? • HTTP • UDP • IP • SMTP • PPTP

PPTP

The Open Systems Interconnection (OSI) model consists of: • 7 layers • 3 layers • 9 layers • 5 layers

7 layers

What is the name of a data unit used at the OSI physical layer? • Frame • Segment • Bit • Packet

Bit

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: • Session layer • Data link layer • Transport layer • Network layer

Data link layer

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

Transport layer

In the OSI model, Transmission Control Protocol (TCP) resides at: (Select 2 answers) • Transport layer • Layer 3 • Application layer • Layer 4 • Network layer • Layer 7

Transport layer Layer 4

User Datagram Protocol (UDP) resides at: (Select 2 answers) • Transport layer • Layer 3 • Layer 4 • Network layer • Layer 6 • Data link layer

Transport layer Layer 4

Layer 6 of the OSI model is also referred to as: • Application layer • Presentation layer • Session layer • Transport layer

Presentation layer

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

Presentation layer of the OSI model

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

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

Layer 5 of the OSI model is also known as: • Session layer • Application layer • Transport layer • Presentation layer

Session layer

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

Session layer

Layer 4 of the OSI model is also known as: • Transport layer • Network layer • Data link layer • Session layer

Transport layer