Chapter 1 Flashcards
(25 cards)
Define Network.
a group or system orf interconnected people or things. p. 2
Why do larger workgroups run more slowly?
Many hosts are all trying to get the same resources at the same time so its slower. p. 4
Name three common Network components.
Workstations
Servers
Hosts. p. 5
Define workstations.
Powerful computers that have multiple CPUs. ANd whose resources are available to otehr susers on the network to access. Dont confuse with client machine. p. 5
Define Server.
A computer running specialized software (network operating system) for the networks maintenance and control. p.5
Name some common dedicated servers.
File sever mail server print server web server fax server Application server Telephony server Remote access server Proxy server . p. 6
What does a file server do?
Stores and dispenses files.p. 6
What does a Mail server do?
The networks post office handles email funcitoins. p. 6
What does a Print sever do?
Manges printers on the network.p. 6
What does a web server do?
Manages web based activities by runing Hypertext Transfer Protocol HTTP for storing web content and accessing web pages. p. 6
What does a Fax server do?
The memo maker that sends and recieves paperless faxes over the network.p. 6
What does an application server do?
Manages network applications. p. 6
What does a Telephony server do?
Handles the call center and call routing and can be thought of as a sophisticated network answering machine. p. 6
What does a remote access server do?
Provides remote users with access to the network through modems and IP conection. p. 6
What does a Proxy server do?
Handles tasks int he place of other machines on the network. p. 6
What is the main difference between a workstation and server?
One server can provide resources to what can sometimes be a huge numbers of individual users at the same time. p. 6
Define Host.
any network device with an IP address including workstatiosn and severs p. 7
what is the largest WAN?
the internet p. 7
What are some ways WANs are different from LANs?
Wans usually need a router port or ports. p. 8
WANs span larger areas
WANs slower
You can choose when you connect to WAN LANs are all or nothing.
WANs can utilize phone lines.
Name two types of WANs
Distributed (the internet) a internet made up of a lot of interconnected computers.
Centeralized- a main centerally located computer that remote computers can connect to. ie a remote office that connects to main office. p. 8
Describe how MPLS works.
It is a switching emchanissm that imposes lables to data and then uses those labels to forward data when the data arrives at the MPLS netwrok. p. 9
What are two main network types?
peer to peer and client-server p. 10
Describe peer to peer network.
No central or special autority. They all have equal authority. It is up to the computer that has the rewsource being requested to perform a security check for access. They can act as clients and severs that provide resources to other computers. Because security is not centrally governed each and every user has to mainting a list of users and passwords p. 10
Describe a client server network.
A singel sever uses a network operating sytem for managing the whole network. The clients machines request for a resource goes to the main server which responds by handling security and directing. This kind of network does not depend on users remembering where resources are. all passwords are stored on the sever which is not used as a workstation p. 11
