OSI Model

Which layer of the OSI model is responsible for ensuring error-free transmission of data?

• Physical Layer

• Data Link Layer

• Network Layer

• Transport Layer

Which layer of the OSI model is responsible for routing and forwarding data packets?

• Data Link Layer

• Network Layer

• Transport Layer

• Session Layer

Which layer of the OSI model defines how data is formatted for transmission and how devices on the network negotiate data formatting?

• Session Layer

• Application Layer

• Transport Layer

• Presentation Layer

At which layer of the OSI model do switches operate?

• Data Link Layer

• Network Layer

• Transport Layer

• Physical Layer

Which layer of the OSI model is responsible for establishing, managing, and terminating connections between applications?

• Session Layer

• Presentation Layer

• Application Layer

• Transport Layer

Which layer of the OSI model deals with encryption and decryption?

• Presentation Layer

• Session Layer

• Transport Layer

• Application Layer

Which layer of the OSI model is where TCP (Transmission Control Protocol) operates?

• Data Link Layer

• Network Layer

• Transport Layer

• Application Layer

At which layer of the OSI model do routers operate?

• Data Link Layer

• Network Layer

• Transport Layer

• Physical Layer

Which layer of the OSI model is responsible for providing a user interface and services like email, file transfer and web browsing?

• Presentation Layer

• Session Layer

• Application Layer

• Data Link Layer

At which layer of the OSI model is data transmitted in the form of "bits"?

• Physical Layer

• Data link Layer

• Network Layer

• Transport Layer