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Home » What is a network?

What is a network?

Last Updated July 19, 2016 By Billy

Hello mga aspiring CCNA in the Philippines. Welcome sa ating unang networking lesson. On this article, ididiscuss at isha-share ko sa inyo ang basic and fundamentals of a network. Kagaya nga ng sinabi ko, tagalog or taglish ang mga lessons natin para mas maintindihan at mas maunawaan ng ating mga kapwa Pinoy. Let’s go!

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What is a network and How it works?

Ano nga ba ang network? Sa isang hindi technical na tao or hindi I.T person, kapag sinabing networking iisipin nila na ito ay yung mga nagbebenta ng mga sabon or mga herbals at nag-rerecuit ng mga “downlines” para kumita. Yung mga nagpapamaypay ng pera at sumisigaw ng “power!”. Haha, joke lang po. Pasintabi sa mga networkers. Mali po. Hindi po yun ang inaaral at aaralin natin. Hindi po multi-level marketing ang tinutukoy natin dito.

In technology world, ang network ay combination or grupo ng mga computers at devices connected together na nakaka-pag communicate sa bawat isa. Nagkikita-kita at nagkakapag-usap sila sa pamamagitan ng mga “network standards and protocols”. Ibig sabihin, pwede silang mag-share ng mga resources at services to each other.

For example, two computers connected to each other is considered a network.

what-is-a-networkDito sa ating example, ang dalawang computers na ito ay directly connected sa pamamagitan ng network cable. At ito ay matatawag na natin na isang network. Maari na silang “magkita at magusap” and then kagaya nga ng sinabi natin kanina, mag-share ng resources at services. They can exchange data back and forth.

In a much larger view, ang network ay binubuo ng multiple computers and devices interconnected to each other sa pamamagitan ng mga networking equipments. Halimbawa na lang ay ang hub, switch at routers. Ididiscuss natin ang mga ito sa susunod. Here’s another example of a network having multiple computers and devices.

Basic-and-Fundamentals-of-Networking

Dito naman sa example natin sa taas, makikita n’yo na multiple devices na ang connected sa ating network. At lahat sila ay “nagkikita-kita at naguusap-usap” sa isa’t isa para makapag-process at maka-pagshare ng data or services. Para lumaki ang ating network, pwede pa tayong mag-connect ng panibagong “hub or switch” sa “hub or switch” na nasa gitna and then mag-connect ng panibagong mga computers at devices. And it can goes on and on.

Ito ay simpleng example pa lamang ng isang maliit na network. Sa mga businesses at organizations ngayon, ang network ay binubuo ng daan-daan or libo-libong computers at mga devices connected to each other. Network ang nagsisilbing tulay para makapag-communicate at makapag-process ng information ang mga company at ibang institutions today. At hindi lamang limited sa isang location or lugar, they can be inter-connected overseas or “virtually anywhere”.

Dito pumapasok ang Cisco or ibang networking equiment vendor. Sa mga malalaking network gaya ng network ng mga fortune 500 companies, governments and other organizations, kelangan i-manage at i-maintain ang network para sa pag-unlad at security ng business or organization. Network serve as the “backbone and nerve” of almost every company and organizations today. We can safely say na kung walang network, wala ring civilizations like what we have today.

Bilang isang CCNA, or let say isang network administrator, ang role at responsibility natin ay imaintain ang network or ang connections ng mga computers at devices na ito. In a more technical terms, tayo ang mag-mamanage ng mga “path” or daanan ng mga computer at devices na ito kung pano sila “magkikita-kita or maguusap-usap”. Tayo ang mag-coconfigure ng mga networking devices kagaya ng Cisco switches and routers para ma-establish ang connections nila sa isa’t isa. Tayo rin ang mag-coconfigure ng mga “standards and protocols” kung papaano sila magkikita-kita or mag-uusap usap. Yun ang mga ididiscuss natin sa mga susunod na lessons. For now, hanggang dito na lang muna.

Hopefully na-explain ko ng simple at maayos  ang ibig sabihin ng network. Sana ay may natutunan kayo. Please don’t forget to subscribe via email or like our facebook page for updates. Until next time, salamat.

CCNAPH FREE

Reader Interactions

Comments

  1. Ericson Cantor says

    November 25, 2016 at 5:12 PM

    Thank so much man, this will really help me a lot since I’m a beginner my self, and I’m interested in learning ccna, tnx. Man

    Reply
  2. frank says

    January 6, 2018 at 11:38 AM

    Hi Sir Billy thanks for sharing this. This will help to those who are planning to take the CCNA exam.

    Reply
    • Billy says

      January 7, 2018 at 4:11 PM

      Welcome Frank!

      Reply
  3. Von says

    January 23, 2018 at 7:44 AM

    Got it sir.

    Reply
  4. Joefre says

    January 27, 2018 at 7:50 PM

    Hello sir, thank you for sharing your ideas. God Bless

    Reply
    • Billy says

      February 17, 2018 at 9:05 PM

      Welcome Joefre!

      Reply
    • erick says

      October 28, 2018 at 1:17 PM

      SOLIDD KA IDOL SALAMAT SA INPUT!

      Reply
  5. Joseph says

    February 12, 2018 at 10:38 AM

    Sir u should be the next president! I’m already 27 yrs old, tapos baka next year pa ko makagraduate, for the mean sobrang helpful ng gantong blog para sakin. God bless you and your family!!

    Reply
    • Billy says

      February 17, 2018 at 8:51 PM

      Haha! Thanks Joseph!

      Reply
  6. Ma. Ellen Estrellado says

    February 17, 2018 at 3:37 PM

    Wow ang galing mo naman Sir Billy. Thank you for sharing this blog. This helps me a lot.

    Reply
    • Billy says

      February 17, 2018 at 8:48 PM

      Welcome Ellen. 🙂

      Reply
  7. Gen says

    March 30, 2018 at 8:22 PM

    I just noticed na bakit parang walang topic about network devices like Routers, Switch, Firewalls, Load Balancers etc.

    Reply
    • Billy says

      April 5, 2018 at 12:57 PM

      Hmmm. You may not have read them yet Gen. Go here. 🙂

      Reply
  8. arnold says

    April 24, 2018 at 1:30 AM

    i got it! thanks for the guide sir!

    Reply
  9. Aloissa says

    August 6, 2018 at 10:27 AM

    Maraming salamat po at na enlighten po ako, yes im a computer engineering graduate pero gusto kong mag review na easy lang like ma intindahan agad para sa darating na araw e share ko din ito sa iba salamat po.

    Reply

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Hi I’m Billy Ramirez. I created this blog to document my CCNA and Cisco career journey hoping to help and inspire other aspiring CCNA in the Philippines.

Read more about me here…

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ABOUT

Hi I’m Billy Ramirez. I created this blog to document my CCNA and Cisco career journey hoping to help and inspire other aspiring CCNA in the Philippines.

Read more about me here…

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