4th entry

Assalamualaikum

this week the topic was about

NETWORK TOPOLOGY

DEFINITION: the study of the arrangement or mapping of the elements of a network

TYPES OF PHYSICAL TOPOLOGY

=linear bus

=star

=star wired ring

=tree

=ring

> LINEAR BUS

-A linear bus topology consist of a main run of cable with a terminator at each end

-All nodes (file server, workstation, and peripherals) are connected to the linear cable.

 

Advantages of a Linear Bus Topology

• Easy to connect a computer or peripheral to a linear bus.
• Requires less cable length than a star topology.

Disadvantages of a Linear Bus Topology

• Entire network shuts down if there is a break in the main cable.
• Terminators are required at both ends of the backbone cable.
• Difficult to identify the problem if the entire network shuts down.
• Not meant to be used as a stand-alone solution in a large building. 

> STAR

-each node (file server, workstations, and peripherals) connected directly to a central network hub, switch, or concentrator.

Advantages of a Star Topology

• Easy to install and wire.
• No disruptions to the network when connecting or removing devices.
• Easy to detect faults and to remove parts.

Disadvantages of a Star Topology

• Requires more cable length than a linear topology.
• If the hub, switch, or concentrator fails, nodes attached are disabled.
• More expensive than linear bus topologies because of the cost of the hubs, etc. 

> STAR WIRED RING

- Looks like star topology.

- the MAU (multistation access unit) of a star-wired ring contains wiring that allows information to pass from one device to another in a circle or ring.

> TREE

- a combination of linear bus and star topology

- star-configured workstation connected to a linear bus backbone

- allow for the expansion of an existing network. 

Advantages of a Tree Topology

• Point-to-point wiring for individual segments.
• Supported by several hardware and software venders.

Disadvantages of a Tree Topology

• Overall length of each segment is limited by the type of cabling used.
• If the backbone line breaks, the entire segment goes down.
• More difficult to configure and wire than other topologies. 

> RING

- each of the system is connected to its respective neighbor forming a ring.

- does not require termination.

- there is no beginning and end point.

 that's all from me >.<