mine#1_managment_networkCoursera

When a flow of information occurs from point a to point b and then back from point b to point a over a second medium that is considered a _____.

• channel

• circuit

• conduit

• route

Communication that can travel in both directions simultaneously is referred to as _____.

• simplex

• half-duplex

• half-simplex

• full duplex

Communications networks that connect a few rooms or buildings are called _____.

• local area networks (LANs)

• wide area networks (WANs)

• fiber enabled networks (FENs)

• metropolitan area networks (MANs)

When describing physical network connections, the jack where a cable connects on a networking card or the computer systems unit is called a _____.

• dongle

• inlet

• outlet

• port

Most contemporary Category 5 or 6 wired computer connections use a cabling standard known as _____.

• RJ-45

• RJ-46

• waveguide

• TR-32

A(n) _____ is programmed or can learn which devices are connected to which physical connections, but they use more complex protocols that regulate their communications to move data where it is needed.

• switch

• hub

• router

• Waveguide

_____ are standards that define how technology interacts at different levels.

• Protocols

• Routers

• Contracts

• Agreements

The Open Systems Interconnection or OSI reference model is _____.

• a detailed requirement that documents how all computer systems interact when moving textual data on the Internet

• a government mandated technical specification required for any computer connecting to the Internet

• a specialty standard used by only a few companies in order to prevent errors in transmission

• a general model used to describe how the various layers of technology manipulate data as it transferred from one place in the network to another

The top-layer of the OSI Model is called the _____ layer and controls how software interacts between the user and the rest of the layers.

• Physical

• Application

• Transport

• Session

In order for TCP/IP IPv4 addresses to identify both networks and specific computers the protocol uses a _____.

• stack pointer

• subnet mask

• hidden moderator

• Internet mask