IT 2600 - Network Models

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

The application layer is the seventh layer of the Internet model and specifies the type of connection and the electrical signals that pass through it.

False

In the OSI model, the application layer provides a set of utilities for applications and is the end user's access to the network.

True

The network layer performs the same functions in both the OSI and Internet models and is responsible for routing messages from the source computer to the destination computer.

True

Which layer of the OSI seven-layer model keeps track of a system's connections to send the right response to the right computer?

Session layer

Which of the following is a function of the transport layer?

Breaking long messages into several smaller messages

What is layer 7 responsible for?

End user's access to the network. The purpose is to provide a set of utilities for application programs.

Which of the following is a term used to group together the physical and data link layers?

Hardware layers

The MAC address of a network device is used to communicate at which of the following OSI layers?

MAC addresses function at the data link layer (layer 2 in the OSI model)

What uniquely identifies every NIC?

Media Access Control (MAC) address

An IP address is encapsulated at which of the following layers of the OSI model?

Network

On which of the following layers of the OSI model does IP operate?

Network

The Network Interface Layer of the TCP/IP model corresponds to which of the following layers of the OSI model? (Select TWO).

Physical, Data link

A(n) _____________ is a set of rules that determine what a layer would do and provides a clearly defined set of messages that software at the layer needs to understand.

Protocol

Which MAC address begins a frame?

Receiving system

Which of the following is not a function of the data link layer?

Specifying the type of connection, and the electrical signals, radio waves, or light pulses that pass through it

Each layer in a network model only needs to know about itself and ____. (Mark all answers that apply)

The layer immediately above it & The layer immediately below it

Where does a hub send data?

To all the systems connected to the hub

Why are networks set up with multi-layer models?

To make them easier to fix and update with technology changes

Which is not a function of the physical layer:

providing error-free transmission of data.


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