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What is Sonet
Synchronous Optical Network is a fiber optic technology that can transmit high-speed data audio, used for text and video.
Single clock handles timing of transmissions as well as equipment enables predictability and ability to multiplex using TDM. The bandwidth of the fiber is determined as one channel divided into timeslots to define sub channels.
Standard recommendations for equipment is able to handle signals from incompatible tributary systems
What are the advantages of bus topology? The benefit of physical bus topology is: a. It uses established standards and it is relatively simple to install. b. It needs les
DNS in the Internet -Domain name space is split into three sections: country, generic and inverse -Generic domains define hosts by generic behavior -Country domains are
DNS ID hacking The Dns use ID system in order to keep track of each every request and replies. In order to spoof the DNS’s response, the hacker needs to do ID Hacking. In orde
Describe Circuit switching, Packet switching and Virtual Circuit Packet switching. Explain their suitability for different applications such as telephone and internet. Packet S
Some of the ?elds of IP and ICMP datagrams will be ?xed, some will be settable by the application, and others will computed according to the situation. You must set all ?elds of th
Question 1 Discuss the following Evolution of Data Communication Elements of Data Communication System Question 2 Explain the following
In formation sharing at regular intervals For example every 30 seconds each router sends its information about the whole network to its neighbours. This sharing occurs
DEFINITION: Latency = Delay. Because a store and forward switch reads the entire frame before forwarding, a larger frame takes longer than a shorter frame.
Switches operate at layer 2. They enhance bandwidth by decreasing the number of devices sharing the media. They isolate collisions. Like a bridge they forward traffic based upon la
When the computers on the network basically listen and receive the signal, they are referred to as passive due to they don't amplify the signal in any way.
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