CN Quiz 10AM

Transport layer aggregates data from different applications into a single stream before passing it to ____________

• neetwork Layer
• Data Link Layer
• Application Layer
• Physical Layer

Which network topology requires a central controller or hub?

• Mesh
• Bus
• Ring
• Star

Which of the following is the multiple access protocol for channel access control

• CSMA/CD
• CSMA/CA
• Both CSMA/CD & CSMA/CA
• HDLC

The data link layer takes the packets from _________ and encapsulates them into frames for transmission.

• network layer
• physical layer
• transport layer
• application layer

Which two layers of OSI are merged in network access layer of TCP IP model?

• Application, Presentation
• Data link, Physical
• Network, Data link
• None

Framing is done at _________ layer

• Physical
• Transport
• Network
• Data Link

The physical layer is concerned with ___________

• bit-by-bit delivery
• application to application delivery
• Frmae ro frame delivery
• None

network layer is concerned with delivery of________

• bit by bit delivery
• individual packets
• Frmae ro frame delivery
• port to port delivery

A _______ is the physical path over which a message travels.

• path
• medium
• protocol
• route

Which layer provides the services to user?

• application layer
• session layer
• presentation layer
• physical layer