NQA CS

The file is broken up into units of data called -----------------that will be put on the network medium and sent over the network.

• Byte

• Router

• Packets

• Bandwidth

What the number of bits that can go through a cable or over a radio signal (the medium) in one second is called?

• router

• bandwidth

• packet

• switch

Internet Bandwidth is measured in ----------------

• megabits per minutes

• kilobits per hour

• byte per second

• bits per second

What communication system where both sides can transmit and receive data at the same time?

• Full duplex

• Speed-duplex

• Half-duplex

• Bandwidth-duplex

Half-duplex is communication system where only one side can transmit data at a time

• True

• False

All of the following are advantages of the client-server model EXCEPT:

• One administrator can control and see everything on the network.

• It is not secure.

• All files can be backed up at one time.

• Programs can be installed on all clients from one server

Which one of the below is a disadvantage of the peer-to-peer networking model?

• It does not have a single network manager.

• Security is strong.

• One computer can act as clients and servers which makes them fast.

• It is expensive to implement because it need extra networking components.

Computers and other devices communicate using a common language to

understand the messages (or data) they receive over the network. This common language is called a -------------------

• router

• protocol

• bandwidth

• packet

The Internet Protocol (IP) controls how data is sent in the same computer network

• True

• False

Ethernet is the most common standard of technology used in wired local area networks

• True

• False