Sunday, August 18, 2013

Network Management 3rd Meeting

HUB - connects a group of users/host.
SWITCH - add more intelligence to data transfer management.
ROUTER - used to connect network together and route packets of data from one network to another.

Physical Topology - an actual connection/layout of wire or media.
Logical Topology - defines how the media is accessed the host sending and receiving data.

Types of Topologies
BUS Topology - a connection using single backbone cable that is terminated at both ends.
RING Topology - that connects one host to the next and to the fist host.
STAR Topology - all end-user connects via cables to a central point of concentration using router.
EXTENDED STAR Topology - links individual star together by connecting via hubs and switches. Extend the scope and coverage of the network using two or more switches/router.
MESH Topology - a host has its own connections to all other host, multiple paths to any one location and to provide as much protection as  possible from interruption of service.

Network Management 2nd Meeting

Types of icons and symbols. ATM Switch, Router, Switch, Comm. Server, ISDN Switch, Bridge, PC, Laptop, Phones, File Server, Hub, Modem, Phone Customer, Network Cloud, Building, Home Office.
Network Cloud is network called ISP (Internet Service Provider) where all network transaction process. Data Networks shares data through the use of floppy disks is not an efficient or cost-effective manner. Business realized that the networking technology could increase productivity while saving money. Networkig Devices - Equipment that connects directly to a network segment is referred to as a devices. They are two types network device " End User Devices and Network Devices".
End User Devices - are the computers, printers, scanners, etc. that provides services directly to the users.
Network Devices - that connect the end-users to allows them to communicate.
NIC  (Network Interface Card) - a device that insert rj connection from modem to system unit.















































































Saturday, August 17, 2013

Network Management 1st Meeting

It was 1st time to create a blogspot  and 1st post. It was hard add friends, classmate via link.

It was nice and i was excite.