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QUESTION
a) List the seven layers of the ISO-OSI model and briefly describe the role of each layer
b) Describe the functions of the following intermediate systems-
c) Assume six devices are arranged in a mesh topology
How many cables are needed?
How many ports are needed for each device?
How many ways are there to execute VPN architecture?
Q. How is computer networks used in teleconferencing? Teleconferencing: Teleconferencing allows conference to happen without the participants being in the same place. Applica
Define the term - Handoff and Dynamic configuration Handoff/roaming The MAC protocol used in the wireless LAN should enable mobile stations to move from one cell to anoth
What is Remote Procedure Call (RPC)? RPC hides the intricacies of the network by using the ordinary process call mechanism familiar to every programmer. A client process calls
What is difference between baseband and broadband transmission? In a baseband transmission, the whole bandwidth of the cable is consumed by a one signal. In broadband transmiss
Command Structure: Commands are all-upper-case strings, either 4 or 6 characters in length. Table 1 shows the commands, and (for method commands) the parameters, return values, ex
Explain about the Switches LAN switches are an expansion of the method in LAN bridging, which controls data flow, handles transmission errors, gives physical addressing, and ma
Explain the term FTP: File Transfer Protocol A very common method of moving files between two Internet sites. FTP is a special way to log in to another Internet site for pur
What is the Terminal Emulation, in which layer it comes? Ans) The use of software, installed on PC or LAN server, that permits the PC to function as if it were dumb terminal dir
Q. Explain about Error Detection? Data can be corrupted during transmission because of accidents, Storms, sudden increase in electricity and voltage / decrease in signal power
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