WHAT ARE THE TYPES OF CABLE?

CABLE

 ~ Alternatively referred to as a cord, connector or plug, a cable is one or more wires covered in a plastic covering that allows for the transmission of power or data between devices. The picture is an example of what the power cord may look like for your computer or monitor. The power cord is just one example of thousands of other cables found in and around computers.

TYPES OF CABLE

A.           TWISTED PAIR

~ Twisted pair is the ordinary copper wire that connects home and many business computers to the telephone company. To reduce crosstalk or electromagnetic induction between pairs of wires, two insulated copper wires are twisted around each other.

There are 2 types of twisted pair cable, they are:

a.)           STP (Shielded Twister Pair)

~ is a special kind of copper telephone wiring used in some business installations. An outer covering or shield is added to the ordinary twisted pair telephone wires; the shield functions as a ground.

b.)           UTP (Unshielded-Twisted Pair)

~is most certainly by far the most popular cable around the world. UTP cable is used not only for networking but also for the traditional telephone(UTP-Cat 1).

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B.           COAXIAL

~Coaxial cable, or coax is a type of electrical cable that has an inner conductor surrounded by a tubular insulating layer, surrounded by a tubular conducting shield. Many coaxial cables also have an insulating outer sheath or jacket. The term coaxial comes from the inner conductor and the outer shield sharing a geometric axis.

C.    FIBER OPTIC

~An optical fiber cable, also known as a fiber optic cable, is an assembly similar to an electrical cable, but containing one or more optical fibers that are used to carry light. The optical fiber elements are typically individually coated with plastic layers and contained in a protective tube suitable for the environment where the cable will be deployed. 

WHAT IS THE DIFFERENCE BETWEEN STRAIGHT-THROUGH CABLE AND CROSS-OVER CABLE?

        STRAIGHT-THROUGH         CROSS OVER

Straight-through- it is used to connect DIFFERENT DEVICES.

Crossover- it is used to connect SAME TYPE OF DEVICES.

WHAT ARE THE TYPES OF NETWORK TOPOLOGY?

NETWORK TOPOLOGY

 A network topology is the arrangement of a network, including its nodes and connecting lines. There are two ways of defining network geometry: the physical topology and the logical (or signal) topology.

TYPES OF NETWORK TOPOLOGY

1.) LINEAR BUS TOPOLOGY

2.) STAR TOPOLOGY

3.) RING TOPOLOGY

4.) MESH TOPOLOGY

5.) HYBRID TOPOLOGY

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1.) LINEAR BUS TOPOLOGY

~Linear bus topology is a type of network topology in which each device is connected one after the other in a sequential chain (shown right). In this case, the bus is the network connection between the devices, and if any link in the network chain is severed, all network transmission is halted.

2.) STAR TOPOLOGY

~A Star network is one of the most common computer network topologies. In its simplest form, a star network consists of one central hub which acts as a conduit to transmit messages. In star topology, every host is connected to a central hub.

3.) RING TOPOLOGY

~A ring network is a network topology in which each node connects to exactly two other nodes, forming a single continuous pathway for signals through each node along the way handling every packet.

4.) MESH TOPOLOGY

~A mesh network is a

local network topology in which the infrastructure nodes connect directly, dynamically and non-hierarchically to as many other nodes as possible and cooperate with one another to efficiently route data from/to clients. This lack of dependency on one node allows for every node to participate in the relay of information.

5.) HYBRID TOPOLOGY

~Hybrid topology is an integration of two or more different topologies to form a resultant topology which has many advantages (as well as disadvantages) of all the constituent basic topologies rather than having characteristics of one specific topology.

WHAT ARE THE TYPES OF COMPUTER NETWORK?

                                

           - Important Words

Computer Network

 A computer network is a set of connected computers. Computers on a network are called nodes. The connection between computers can be done via cabling, most commonly the Ethernet cable, or wirelessly through radio waves. Connected computers can share resources, like access to the Internet, printers, file servers, and others. A network is a multipurpose connection, which allows a single computer to do more. © en.wikipedia.org

Types Of Computer Network

1.Personal Area Network (PAN)

   A personal area network (PAN) is a computer network for interconnecting devices centered on an individual person's workspace. A PAN provides data transmission amongst devices such as computers, smartphones, tablets and personal digital assistants. PANs can be used for communication amongst the personal devices themselves, or for connecting to a higher level network and the Internet where one master device takes up the role as gateway. A PAN may be carried over wired computer buses such as USB.  © en.wikipedia.org

If there is a personal area network (PAN) that is carried over wired computer buses such as USB, there is also a wireless version of it. It is called Wireless Personal Area Network.

 A WPAN (wireless personal area network) is a personal area network - a network for interconnecting devices centered around an individual person's workspace - in which the connections are wireless. Typically, a wireless personal area network uses some technology that permits communication within about 10 meters - in other words, a very short range. One such technology is Bluetooth, which was used as the basis for a new standard, IEEE 802.15. © searchmobilecomputing.techtarget.com

                                               

2. Local Area Network (LAN)

       A local area network (LAN) is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus or office building. By contrast, a wide area network (WAN) not only covers a larger geographic distance, but also generally involves leased telecommunication circuits.

Ethernet and Wi-Fi are the two most common technologies in use for local area networks. Historical technologies include ARCNET, Token Ring, and Apple Talk. © en.wikipedia.org

Let’s now proceed to its wireless version…

      A wireless local area network (WLAN) is a wireless distribution method for two or more devices that use high-frequency radio waves and often include an access point to the Internet. A WLAN allows users to move around the coverage area, often a home or small office, while maintaining a network connection.

A WLAN is sometimes call a local area wireless network (LAWN). © www.techopedia.com

3. Metropolitan Area Network (MAN)

                                                                                                                           A metropolitan area network (MAN) is a computer network that interconnects users with computer resources in a geographic area or region larger than that covered by even a large local area network (LAN) but smaller than the area covered by a wide area network (WAN). The term MAN is applied to the interconnection of networks in a city into a single larger network which may then also offer efficient connection to a wide area network. It is also used to mean the interconnection of several local area networks in a metropolitan area through the use of between them. © en.wikipedia.org

Wait... if there's a WPAN and WLAN, is there a WMAN?

OH HELL YES! Let's proceed to that...

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   Wireless metropolitan area networks (WMANs) enable users to establish wireless connections between multiple locations within a metropolitan area (for example, between multiple office buildings in a city or on a university campus), without the high cost of laying fiber or copper cabling and leasing lines. In addition, WMANs can serve as backups for wired networks, should the primary leased lines for wired networks become unavailable. WMANs use either radio waves or infrared light to transmit data. Broadband wireless access networks, which provide users with high-speed access to the Internet, are in increasing demand. © web.mst.edu

2. Wide Area Network (WAN)

    A wide area network (WAN) is a telecommunications network or computer network that extends over a large geographical distance/ place. Wide area networks are often established with leased telecommunication circuits.

Business, education and government entities use wide area networks to relay data to staff, students, clients, buyers, and suppliers from various locations across the world. In essence, this mode of telecommunication allows a business to effectively carry out its daily function regardless of location. The Internet may be considered a WAN. © en.wikipedia.org

The largest of all, will this have a wireless one?

Yes! It has as well! Let's discuss it...

Wireless Wide Area Network (WMAN)

WWANs have been in place since the early 1980s for voice communication, and since the early 1990s for data communication. Access to these networks requires users to sign an agreement with the company that operates the network they are interested in. This agreement will allow them to use the wireless network for a fee, which is often calculated by the number of minutes the user is connected to the network, or more recently, by the amount of data transferred over the network. This fee helps the service provider cover the cost of building and maintaining the wide area network, as well as the cost required to purchase the spectrum used for communication.

HOW TO BE A RESPONSIBLE NETIZEN?

© giphy.com

NETIZEN, what is a Netizen? Netizen means "citizen of the net." That's it. Just by simply using the Internet or just using social medias like Facebook, Twitter, and Instagram, you can be a netizen. And nowadays, most of the people are now using the Internet. Even younger ones. It is like a virus that spreads easily. But are we using the Internet in a good way? Are we a Responsible Netizen?

    Way back then, Internet is used to military and educational purposes only. There are no suck thing as Facebook and Twitter back then because talking and communicating personally is "TRENDING" back then. But in this generation, It is still used as for educational purposes like Google and Wikipedia. But interacting through social medias has been the trend up to his day. Internet usage has been put in a good way ever since it started to evolve. But now, using the Internet has been put in a lot a of negative things. Liker cyber bullying, spreading fake news, and more. So how to be a Responsible Netizen?

     

© keepcalmandposters.com

      First, SET YOUR MINDS THAT INTERNET IS JUST FOR EDUCATIONAL PURPOSES. And also, we can say that it's for having fun as well.But in a positive way, not in a negative ones. If you don't know your homework, search it up and study it. But don't copy it lol. If you didn't understand the lessons or discussions of your teacher, search it up on the Internet and study it. Or if you just want to take advance lessons,use Internet. And also, if you are bored in life or you don't have no friends, play games in Internet. Just use the Internet's advantages in a good way so that you may know its real purpose.

    Second, DON'T USE THE INTERNET OR OTHER SOCIAL MEDIA WEBSITES TO BULLY OR BASH SOMEONE. We all know that bullying has been the problem in this world especially in our generation. And bullying has a lot of side effects, it can lead to suicide, depression, and mental health problems. But, first of all, why do other people bully others? Are they having fun? Especially now that you can use poser accounts and hide you identity. First of all, bullying is not a joke. And bully has no positive effects, thus, the effects of it can lead to death. So, we must educate ourselves about bullying and we must know our limitations in husting someone's emotions.

And lastly, HELP OTHERS BY THE USE OF SOCIAL MEDIA. Not literally, not just by helping an individual, but we can help our community through social media. We can make advocacies through posting in social media websites. And also, we can influence other people in social media because we all know that most people are now using social media websites. And we can make that as an advantage to influence them to do good to other people and help in their own community.

     Using the Internet has become popular over the years. We just use it by means of social medias, playing online games, and more. And also, we don't know how to use it to other people. Instead of using it in a positive way, all we do is bash and bully other netizen trough Internet. We must educate ourselves why we have the Internet and in that way, we can be a Responsible Netizen.