Lec-5: Topologies in Computer Networks | Part-1 | All imp points of Mesh, Star, Hub, Bus, Hybrid

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In computer networks, a network topology refers to the arrangement of the various elements of a network, such as nodes, links, and connections. There are several common network topologies used in computer networks, including Mesh, Star, Bus, Ring, and Hybrid.
In this video, Varun sir has explained Mesh topology and Star Topology
0:00 - Introduction
0:58 - Mesh Topology
7:27 - Star Topology
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Osme explaintion

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Explained very well🥰

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[@shashankpandey6104]

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[@sreenivasreddy7632]

When we counting the total number of ports in star topology we considered only device ports but not ports of the hub ,
why don't we consider hub ports also while counting the total number of ports?

[@PSI_waseemakram]

Ma ek state level exam ki preparation krrha but bhot helpful, zyada detailm nhi jata hu, but basic clear hojate h hr topic ki ist video se

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[@UnidentifySoul]

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[@chetansethy67]

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[@sohnatracktube1173]

in star topology, no of port will be 2*n, because hub have also port when we connect with device, no of port in device + no of port in hub, if i am wrong let me know pls.

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Only your video... Contains no. Of cables and ports.... That are frequently asked in ibps exam✌

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No of videos: 100
Average length of video: 10 minutes, 58 seconds
Total length of playlist: 18 hours, 17 minutes, 59 seconds
At 1.25x: 14 hours, 38 minutes, 23 seconds
At 1.50x: 12 hours, 11 minutes, 59 seconds
At 1.75x: 10 hours, 27 minutes, 25 seconds
At 2.00x: 9 hours, 8 minutes, 59 seconds

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[@samarjeetbanik3846]

In MESH topology, while discussing about "security", you mentioned that when A sends data to D, then B & C won't recognize the data. Hence, secure. But what if, the direct link between A and D is broken, then A had to send information to D via either B or C. In that case, how does security gets affected? Or, is there any encryption/decryption happening with the data in the flow?

[@serenesoul775]

What an observation. Suitable question bro.

[@rahuldora1587]

Every data packet have their source and destination address and before opening that packet destination first checks the destination address of the packt if address matched open it otherwise forward/discard it

[@serenesoul775]

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[@salildeogade1213]

It's is secured with the help of cryptography. You will learn that in later sections.
Or probably you have already learnt that bcz you have commented this 9 months. ago

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[@dreamcrackers2504]

Awesome explanation sir. Please make video for types of communication in network.

[@shahroze2628]

In star topology it has minimal line cost only (n-1) lines r required

[@peshutanpavri1599]

Thank you so much, Life saving playlist, Thank you
I have a few questions if I may please:
1) These physical topologies apply to both LAN and even larger networks in the physical world ? So all the actual routers that I believe are underground they have the same topologies ?
Say an ISP has a network over 3 or 4 neighbourhoods, are these routers organised with these topologies ?
2) What if one ISP has a LAN network in London, and there is another LAN with the same ISP in the north of England or in some other city far away, how would the routers be organised ?
Would they also be in one of these topologies ?
But I guess it will go through different networks.
3) Are routers shared by ISP's as in common routers ? For example there are common roads by which all traffic goes, is it something similar with networking or does each ISP or government or AS have its own network routers,
I guess with BGP, they would need to use some common routers ?

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[@Chandankumar-qw6hb]

done

[@arvindkumar_raosahab]

SIR, WHEN WIRE B/W A-D DAMAGE, THEN DATA WILL BE TRANFER VIA C OR B.. THEN HOW WE CAN SAY IT IS SECURED COMPLETELY ?

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Hy

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[@sukhsagar4675]

Yes

[@namitsharma3449]

Sir please explain me that to find number of ports what is the value of n-1*n it will be 12or4 here n value will be node or edge please reply

[@letsscorehigher5106]

What is d diff. Between mesh n fully connected topology?

[@vidhimehra8661]

Sir, if the main wire of A and D got damaged does, the mesh topology still provide security??

[@navdeepkaur7533]

Sir please basic programming pe v video bna do.

[@hiteshsuthar1097]

In mesh topology, is reliability cause insecurity because data will be send through A->B->D In case of failure between A->D cable? Please answer.. i will help

[@monukumar-pm6yl]

Hlo in which video u explained about WAN, LAN, MAN

[@manshidubey5239]

Sir Can I get the lecture notes for my quick revision after finishing all the lectures?

[@avijeet3760]

Please upload the another part of topology asap

[@GateSmashers]

Today i will

[@harshjain4999]

In the case of a security attack against an IoT device, only a single node is compromised, as endpoints operate independently of each other. Hence, star topologies offer better security than mesh networks. 10:10
??

[@Abhishekkumar-gr5vr]

Very nice explanation sir. I loved your videos and really enjoyed learning these concepts from you. Big fan sir🥰😍❤‍🔥💯.