Ch 1 insy

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

uses leased lines from IXCs like ATT, MCI, and Sprint

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

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

Session termination

Data communications and networking can be considered as a global area of study because:

a and b

A local area network is:

a group of personal computers or terminals located in the same general area and connected by a common cable (communication circuit) so they can exchange informationsuch as a set of rooms, a single building, or a set of well-connected buildings.

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

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.

intranet

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

network layer

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

peer-to-peer networks

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

presentation

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

presentation, transport

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) 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 function of the file server is to :

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

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

transport

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

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

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

Ethernet

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

Which of the following is not true about a server?

can only perform one function on a network