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Star Topology
Devoted point-to-point links to central controller (hub)
Controller acts like exchange
Advantages
- Less expensive
- Robustness
Disadvantages
- More cabling requirement in comparison ring and bus topologies
how to own cipher to encrypt and decrypt message by combine both substitution ans transposition algorithm using c program
Gateway A device linked to multiple physical TCP/IP networks capable of routing or delivering IP packets among them. Router It's a layer 3 device that connects 2 diss
introduction
What are the disadvantages of Star Topology? The disadvantages are considered as follows: a. Needs more cable than most topologies. b. Moderately complex to install.
You need to enable both arpa and snap encapsulation on single router interface. How do you do this? Ans)Assign two network numbers, one for every encapsulation type.
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What is difference among ARP and RARP? The address resolution protocol (ARP) is used to associate the 32 bit IP address with the 48 bit physical address, used by a host or a ro
100Base-TX Uses two category 5 UTP cable pairs or else two STP cable pairs to connect stations to a hub (star) One pair holds frames from station to hub one pair from
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Advantage of IP sec Tunnelling Mode IP Sec tunnelling mode has the following advantages: a.Security : Ts IP sec tunnelling mode secure somewhat but not the best. In a
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