Network+ OSI Layer Quiz

Data link layer

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

Network layer

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

Transport layer

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

Session layer

Layer 5 of the OSI model is called: Session layer Application layer Transport layer Presentation layer

Presentation layer

Layer 6 of the OSI model is also known as: Application layer Presentation layer Session layer Transport layer

Application layer

OSI layer 7 is also referred to as: Application layer Session layer Presentation layer Transport layer

Layer 1

Physical layer of the OSI model is also referred to as:

Layer 7

Application layer of the OSI model is known as: Layer 3 Layer 6 Layer 7 Layer 5

Layer 3

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

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

Layer 3

Which of the following terms refers to the OSI network layer? Layer 2 Layer 5 Layer 3 Layer 4

Layer 6 of the OSI model

Presentation layer is another term for: 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 3 of the OSI model Network layer of the OSI model

Routers operate at: (Select two 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

7 Layers

The Open Systems Interconnection (OSI) model consists of:

Transport layer Layer 4

In the OSI model, Transmission Control Protocol (TCP) resides at: (Select all that apply) Transport layer Layer 3 Application layer Layer 4 Network layer Layer 7

Presentation layer

In the OSI model, data compression takes place at the: Presentation layer Session layer Network layer Physical layer

Data link layer

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

Layer 5

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

Network layer of the OSI model

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

Data link layer

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

Network and Session

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

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

Bit

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

Session layer

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

Transport layer

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

IPv4 IPsec IPv6 ICMP

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

Ethernet switch

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

HTTP FTP SMTP

Which of the following protocols reside(s) at the application layer of the OSI model? (Select all that apply) HTTP FTP SMTP NetBIOS ARP

Hub Network cabling

Which of the following reside(s) at the physical layer of the OSI model? (Select all that apply) Router Hub Switch Network cabling Bridge

NetBIOS

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