Learning Log for Data Networks: Week 12 and 13 (Huling Paalam)

Sa huling pagkakataon ko sa paggawa ng "Learning Log for Data Networks" ay naisipan kong magsalita ng tagalog dahil alam ko na ito'y magiging mataimtim at ito'y tatagaos sa puso ng aking mambabasa. Hindi naman sa nagbibiro pero seryoso kong sinasabi na maraming akong natutunan sa aking guro. Para sa dalawang linggo kong pag-aaral ng Routing Information Protocol(RIP) ay natutunan ko na ito'y medyo madali kaysa sa natutunan ko noong nakaraang dalawang linggo na gumagamit ng "Static Routing" kung saan kailangan magkakaroon ng komunikasyon ang dalawang computer na konektado sa kani-kanilang router na nakonekta sa isang router na gagawa ng isang mahabang komunikasyon. Kung ihahalintulad mo sa pag-aaral ng database, ito'y tinatawag na isang bridge entity na tumatanggap at nangangasiwa ng komunikasyon sa bawat router na nakakonekta rito. Balik tayo sa RIP, sobrang taas ng ngiti ko sa pakikitungo ko rito dahil ang mga pangitain nito ay sobrang dali sa level na naiintindihan at mauunawaan ko. Nagustuhan ko ang "hop count" kung saan ay ito'y nagpapasa nang komunkinasyon sa ibang mga computer sa bilang ng labing-anim na kung saan ang pinaka-huling laktaw kung hindi pa napupuntahan ang pinaka-destinasyon ay ito'y tutukuyin bilang isang "dead packet" na sinasabing wala nang kwenta ang komunikasyon. Pinapansin rin nito ang ang iba't ibang oras sa pagdating ng komunikasyon; simula tayo sa "Hold down timer:" kung saan naghihintay ito ng tatlong minuto, pagkatapos noon at babasahin ang kumunikasyon. "Flash Timer:" kung saan ito ay nagdagdag ng isa pang minuto na kapareho ng hold down timer. "Invalid Timer:" kung saan ito ay nagbabasa ng anim na beses at kung walang nakita ay ito'y magiging mali. At ang huli, "Update Timer:" kung saan ito'y nagbabasa pagkatapos ng trenta minutos. Oo marami pa akong natutunan pero iigsian ko na dahil pag naglagay ako dito ay sinisigurado ko na tama at ito'y aking nasiyasat at napag-aralan ng husto, yung tipong nagresearch. Tatapusin ko na itong "Learning Log" pero bago iyon, mag-iiwan ako ng mensaheng galing sa puso na hindi pa nagtatanghalian upang pag-isipan ito. MARAMING SALAMAT PO SIR JUSTIN!!!! dahil sa inyong mga turo ay mas naunawaan ko ng mataimtim ang buong katauhan pag sinabi ang salitang "INTERNET", dati kasi hindi pag connected sa wifi yun na yun, pero dahil sayo sir ngayon ay alam ko na kung paano mag-ayos ng ip address, DNS, Default Gateway, etc. Salamat Sir! Mag-iingat ka lagi. ^_^      

Learning Log for Data Networks: Week 10 and 11 (Capsa Free)

For the past 2 weeks, we had learned much information again about data networks that our professor said that it would take a 1 term to study but in our case, we would study it for maybe 3 weeks or so. In this minimal time, we had to gain much knowledge that we could because the finals is coming and I could feel that our final examination would be hard because I could see a bright smile in our professors face. Before I would go for the gained knowledge, I would tell you all about what happen in the late week 9, what happened is we are about to do the final project of our professor, which tells about a sniffing software given to each group. Our software was very simple and the user interface are very unique however, we are using the free version and the given free interfaces are very few. For me, I would want to know more about the software and sniff different kinds of module in that software. The free version really underlines the word free because it restricts us for every move we take and sometimes limits are action while using the software, but thank God we had finished the project and also I remember that +20 for the groups who would present in that week and the succeeding weeks will decrease by 5, and we had presented early and got a +15. With the use of the YouTube videos tackling our software, I have learned different kinds of the uses for the module that are enterprise based and could not be used in the free version and it made me understand deeper what am I doing with the software. Now let’s go back to the discussion, we had studied the Chapter 10 that our professor prepared and it tackles a review for connecting a router to a PC, the introduction to network layer, and some knowledge about internet data connectivity. I learned about Static Routing which uses a so called an ISP for a big connection, Dynamic Routing which contains many protocols that I don’t want to mention it all and many more. The most enjoyable topic that I can’t really much understand is the Static Routing wherein the connection is router to router which has the same time connectivity and same type of connection, we had some exercises about this using the Cisco packet tracer and thank you to my listening skills, I have learned this topic just after 2 meetings of our data networks subject. This kind of connection is really new to me because all I use when using the packet tracer is just cross and straight connection, and I don’t really this kind of connection that needs configurations for both routers.