Chapter 1

Which layer of the OSI model is responsible for ensuring that all packets sent are received by the destination station by dealing with end-to-end issues?

transport Layer

___________ is an orderly close to a dialogue between end users.

Session termination

Networks that are designed to connect similar computers that share data and software with each other are called:

peer-to-peer networks

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

HTTP

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

Hardware layers

The network layer of the Internet model uses the _____________ protocol to route messages though the network.

IP

The ____________ layer of the OSI model is responsible for data format translation.

presentation

The function of the file server is to:

store data and software programs that can be used by client computers on the network.

A backbone network is:

a high speed central network that connects other networks in a distance spanning up to several miles.

A(n) _________ is a LAN that uses the same technologies as the Internet but is open to only those inside the organization.

intranet

Which layer of the OSI model is responsible for ensuring flow control so that the destination station does not receive more packets that it can process at any given time?

transport Layer

The _________ layer performs error checking which is redundant with the function of the _________ layer.

transport, data link

Which of the following would be a standard used at the Data Link layer of the Internet or OSI model?

Ethernet

Which of the following is not an application layer standard?

T1

A local area network is:

a group of microcomputers or terminals located in the same general area and connected by a common cable (communication circuit) so they can exchange information.

A metropolitan area network is:

a network that spans a geographical area that usually encompasses a city or county area (3 to 30 miles) and that typically uses common carrier circuits.

In which layer of the Internet model would the HTTP standard be used?

application

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

breaking long messages into several smaller messages

The term ______________ refers to high speed communication circuits such as DSL.

broadband communications

Which of the following is not a property of a WAN:

connects a group of computers in a small geographic area such as room, floor, building or campus.

The integration of voice, video, and data communications is also known as __________.

convergence

The primary reason for networking standards is to:

ensure that hardware and software produced by different vendors can work together

A(n) _________ is a LAN that uses the same technologies as the Internet but is provided to invited users outside the organization who access it over the Internet.

extranet

The _________ layer is responsible for routing of messages from the sender to the final destination.

network layer

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 is not a function of the physical layer:

providing error-free transmission of data.

In the Internet model, the application layer corresponds to the ________, layer(s) s of the OSI model.

session, presentation and application

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

The fourth layer of the OSI model is called the __________ layer.

transport