LP 1 Flashcards
is the way a network is arranged, including the physical or logical description of how links and nodes are set up to relate to each other.
Network topology
two categories in the network topology
- Physical network topology
- Logical network topology
Types of Network Topology
- Mesh Topology
- Bus Topology
- Ring Topology
- Tree Topology
- Hybrid Topology
consists software and hardware that is used to send and receive data from one device to another.
computer network
OSI Model stands for?
Open System interconnection model
defines how data is transferred from one computer to another computer.
OSI Model (Open System interconnection model)
A ________ topology is an intricate and elaborate structure of point-to-point connections where the nodes are interconnected.
Mesh Topology
A _________ topology orients all the devices on a network along a single cable running in a single direction from one end of the network to the other—which is why it’s sometimes called a “line topology” or “backbone topology.”
Bus topology
______ topology is where nodes are arranged in a circle. can travel through the ring network in either one direction or both directions, with each device having exactly two neighbors.
Ring Topology
a _________ topology has a parent-child hierarchy to how the nodes are connected. Those connected to the central hub are connected linearly to other nodes, so two connected nodes only share one mutual connection. (topology is a combination of a star network topology and a bus topology)
Tree Topology
__________ topologies combine two or more different topology structures—the tree topology is a good example, integrating the bus and star layouts.
Hybrid Topology
A ____________ is a piece of hardware that acts as the interface for a computer to a network. This way, computers can communicate across a network.
network adapter
It is a system where each computer listens to the cable before sending anything through the network.
Ethernet
receives the data from network layer
Data link layer
How to Troubleshoot a Network
(7 STEPS to troubleshoot)
- Check hardware
- Use ipconfig
- Use ping and tracert
- Perform a DNS check
- Contact the ISP check
- Check on virus and malware protection
- Review database logo
different codes used to indicate the differs types of shielding:
• U/UTP - Unshielded cable, unshielded twisted pairs
• F/UTP - Foil shielded cable, unshielded twisted pairs
• U/FTP - Unshielded cable, foil shielded twisted pairs
• S/FTP - braided shielded cable, foil shielded twisted pairs
Where: TP = twisted pair, U = unshielded, F = foil shielded, S = braided shielding.
2 types of ethernet cables
STRANDED CABLE
SOLID CABLE
This type of wire is more flexible and it is more applicable for Ethernet cables where the cable may be moved - often it is idea for patch leads at desks or general connections to PCs, etc where some movement may be needed and expected.
Stranded cable
is not as flexible as the stranded type, but it is also more durable. This makes it best for use in permanent installations like cable installations under floors, embedded in walls and the like.
Solid cable
It is a method of transferring data packets from source to destination.
Routing
converts these binary sequences into signals and transfer it through a transmission media such as cables etc.
Physical Layer
receives the data from network layer.
Data link layer
is to receive the data segments from transport layer and transfer them from one computer to another computer on different network.
Network layer
Builds on the network layer in order to provide data transport from a process on a source system machine to a process on a destination system
Transport layer
