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Virtual private network
The virtual private networks takes the user data encrypts them and sends them to their destination over the internet. the sender and the receiver are the only two parties on the VPN. The main advantage of VPN is its relative low cost in comparing with private and hybrid networks. The major two disadvantage are lack of standardization among various and a relatively show transmission speed.
What is the Catalogue Intranet Intranets of this type are often more accurately described as Extranets. They are designed to give access to a large catalogue of information,
Q. What is Topology? - Physical/logical arrangement - Topology of a network is the geometric depiction of the relationship of all the links and linking devices to one anothe
definition
What is the major issue with routing by rumor?
bit stuffing program in python
Latency : In interconnection networks a variety of nodes may be at dissimilar distances depending upon the topology. The network latency differs to the worst-case time wait for a u
Routing Information Protocol (RIP) is a distance vector routing protocol that used hop count as its metric. The maximum hop count is 15, 16 hops are considered unreachable. RIP upd
802.11 CSMA/CA a) Wait a DIFS time to avoid collision b) Send RTS and wait for CTS reply to obtain the use of the Medium (air) c) Use of SIFS time for control informatio
Reliable data transfer over a channel bit error rdt : 20 A more realist model of the underlying channel is one in which bits in packet may be computed. Such bit erro
Half-Duplex - Capability for data transmission in only single direction at a time among sending station and a receiving station.
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