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Q. Explain Full Duplex data transmission?
- Have two separate Communication channels as well as use each one for simplex Data traffic (in different directions).
- If this is through we have two separate physical circuits each with a "forward" channel (for data) and a "reverse" channel (for acknowledgements).
- In both cases the bandwidth of the reverse channel is approximately entirely wasted and in effect the user is paying for two circuits but using only the capacity of one.
- A better idea is to utilize the same circuit for data in both directions and in this model the data frames from A to B are intermixed with the Acknowledgement frames from A to B.
- By gazing at the kind field in the header of an incoming frame the receiver can tell whether the frame is data or acknowledgement.
Network Allocation Vector Timer which shows how much time must pass before a station is allowed to check the channel
Definition of CSMA/CD CSMA/CD (Carrier Sense Multiple Access with Collision Detection) is used to minimize collisions, coordinate traffic and maximize number of frames deliver
Q. What are the Local Network Security Issues? Local Network Security Issues Password Protection - Encrypted username & password Group/Owner ID's - File Permissi
What is the role of IEEE in computer networking? IEEE, or the Institute of Electrical and Electronics Engineers, is an organization composed of engineers that issues and manage
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identify different network topologies.
Has a central core conductor covered in an insulating sheath encased in an outer conductor of metal foil RG numbers indicate physical specs such as thickness and type of insula
What is Stateful Multi-Layer Inspection (SMLI) They are considered as the third generation of firewall technology and usually combine the facilities of the above two. They are
Options The options fields may be used to provide other functions that are not covered by the header. If the length of the options field is not a multiple of 32 bits
Groupware addresses the management of semi-structured information like text, image, mail, bulletin boards and the flow of work. These Client/Server systems have people in direct co
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