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networking chpt.1
terms
| Question | Answer |
|---|---|
| network | group of computers connected by a transmission media |
| stand alone computer | computer not connected to any other computer |
| peer to peer network advantages | simple configuration; less expensive |
| peer to peer network disadvantages | not flexible.not secure.not practical for large installations |
| networks enable multiple users to | share resources and devices easily. |
| networks allow you to | manage resources on multiple computers from one location |
| peer to peer network | simplest form of a network |
| no computer on a peer to peer network | has more authority then another |
| modifying the file sharing controls via the computers operating system | common way to share resources on a peer to peer network |
| P2P network | newer types of peer to peer network |
| link computers from around the world to share files between each otheres hard disks | P2P networks |
| server | central computer |
| server | faciliate communication and resource sharing between pther computers on the network |
| workstation | computer that runs a desktop operating system and connects to a network |
| client/server network | the design of a network in which clients rely on servers for resource sharing and processing |
| a network that uses a server to enable clients to share data,data storage space and devices | client/server network |
| clients and servers communicate | through connectivity devices as switches and routers |
| clients on a client server network do not share | resources directly with each other,they use the server as an intermediary |
| examples of clients | personal computers,smartphones or mobile phones |
| to function as a server | a computer must be running a network operating system |
| computer roles | server or client |
| clients | run applications and store data locally |
| client server network | easier to add more computers to |
| server requirements | manage data and other resources for a number of clients |
| server requirements | ensure authorized user |
| server requirements | control user file access |
| server requirements | restrict user network access |
| server requirements | supply applications to clients |
| server requirements | dictates computer communication rules |
| LAN | network of computers confined to a relatively small space |
| LAN | building or office |
| MAN | handful of government offices surrounding a capital building |
| MAN | could connect multiple city government buildings around a city center |
| MAN | larger then a lan connecting clinets and servers from multiple buildings |
| advantages of client server networks | user credential assigned in one place |
| advantages of client server networks | multiple controlled resources shared locally |
| advantages of client server networks | central problem monitoring,diagnostics, |
| advantages of client server networks | handle heavy processing loads |
| advantages of client server networks | can connect many computers,more scalable |
| WAN | a network that connects two or more geographically distinct LANs or MANs |
| MAN | uses different technologies and medias than a LAN |
| WAN | public universities within a state might combine and share their resources on |
| WAN | Internet |
| client | computer on the network requesting resources or services from another computer |
| server | a computer on the network that manages shared resources |
| workstation | a computer that may or may not be connected to the internet |
| NIC | device inside a computer that connects a computer to the network media |
| server | runs network operating software |
| nic | network adapter |
| nos | software that runs on a server and enables the server to manage data,users,groups,security,applications and other networking functions |
| host | a computer that enables resource sharing by other computers on the same network |
| node | client,server or other device that can communicates over the network and is identified by a network address |
| segment | part of a network |
| segment | group of nodes that uses the same communication channel for all their traffic |
| backbone | router or switch |
| backbone | the part of a network to which segments and devices connect |
| backbone | network of networks |
| protocol | standard method of communication |
| packet | a distinct unit of dataexchanged between nodes on the network |
| addressing | the scheme for assigning a unique identifying number to every node on the network |
| transmission media | wire, cable, radio waves |
| network services | functions provided by a network |
| topology | physical layout of the network |
| topology | star,ring,bus,hybrid |
| most common topology | star |
| network services | email,printer sharing,file sharing,internet access,remote access capabilities,network management |
| file services | servers ability to share data files |
| networks access service | allows remote users to connect to the network |
| convergence | using the same network to deliver multiple types of communication services |
| unified communications | centralized management of multiple network based communications |
| mail services | coordinate the storage and transfer of email between users on a network |
| most commonly used network service | |
| functions of mail servers | intercept spam,route |
| functions of mail servers | route messages according to protocols |
| functions of mail servers | notify administrators or users of events, |
| functions of mail servers | schedule email transmissions,retrieval,storage,maintenance |
| functions of mail servers | provide a web based client for checking email |
| network management services | traffic monitoring and control |
| network management services | load balancing |
| network management services | hardware diagnosis and failure alert |
| network management services | asset management |
| network management services | license tracking |
| network management services | security auditing |
| network management services | software distribution |
| network management services | asset management |
| network management services | backup and restorations of data |
| traffic | the data transmission and processing activity taking place on a computer at any given time |
| asset management | the process of collecting and storing data on the number and types of software and hardware assets in an organizations network |
| the most popular web server software | apache |
| internet services | supply web pages |
| internet services | file transfer capabilities |
| internet services | security filters |
| internet services | means of directly logging on to other computers on the internet |
| load balancing | the process of distributing data transfer activity evenly so that no device is overwhelmed |
| access services | provide lan connectivity when wan connection is not cost effective |
| access services | allow external users to use network resources and devices |
| how networks are used | file and print services |
| how networks are used | access services |
| how networks are used | communication services |
| how networks are used | internet services |
| how networks are used | management services |
| asset management software | inventory control |
| software distribution | automatically transfer a file or installing an application from the server to a client on the network |
| file and print services | provide the foundation for networking |
| communication services provided by networks | email,telephone,video,fax,messaging and voice mail |
Created by:
cgeaski
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