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Explain about the Digital traffic channels
The most notable difference among the two generations is that first generation systems are almost purely analog, while second generation systems are digital. In particular, the first generation systems are designed to support voice channels using FM; digital traffic is supported only by the use of a modem that converts the digital data into analog form. Second generation systems provide digital traffic channels.
Define different OSPF packet types?
What is CRC The CRC is computed while transmission and appended to output stream as soon as last bit goes out onto wire. If the CRC were in header, it will be necessary to make
Multistation Access Unit (MAU) Combines individual automatic switches May perhaps daisy chain to support more stations
The auxiliary port is used to link a modem to for dial backups.
Station Types No-transition mobility moreover stationary or moving only inside a BSS BSS-transition mobility is able to move from one BSS to another, but confined inside one
..internetworking devices
What is anonymous FTP? Anonymous FTP is a way of granting user access to files in public servers. Users that are permitted access to data in these servers do not require identi
Assume a network as depicted below with a home agent (HA), a foreign agent (FA), a mobile host (MH), and a remote host (RH). The dotted box is the home location of MH. Assume MH's
Q. Show V.32 standard? - ITU-T's V.32 standard was issued in 1991 for asynchronous and full-duplex operation at 14.4 Kbps. V.32bis - Is an extension of the V.32 technology?
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- Rep
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