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FIBER MODEMS:
LAN methods are discovered to perform within the same building. However most institutions have offices located far apart from one other.
DISTANCE LIMITATION AND LAN DESIGN:
The highest cable length of a LAN is fixed because the electrical signal level becomes weaker as it travels. The delays have be short to allow access functions (CSMA/CD, token passing) work properly.
However in most cases a LAN requires to be extended layer distances than the max. Cable length size.
Consider a simple wireless data link using channel bandwidth of 40 kHz. The transmit power level is 20 dBm, the link attenuation is 40 dB and the SNRdB at the receiver is 20 dB.
what is inheritance in computer systems special permissions?
how to connect two pc in lan?
objective practical questios answers
QUESTION a) Security is a very crucial component in a Distributed System. Describe three properties of a secure channel. b) During packet transmission, messages are subdivid
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
Repeaters - Operate only in physical layer - Connects two segments of the same LAN - Both segments must be of the same protocol - Only forwards frames; does not filter
You have been asked to design a Banking Network with two primary types of locations. Branches that will have 3 subnets, one /25 subnet one /26 subnet for ABMS and one /26 s
TCP (Transmission Control Protocol) and UDP are used by TCP/IP. SPX (Sequenced Packet Exchange) is used with IPX. NBP (Name Binding Protocol) is used with Appletalk.
Which layer is responsible for negotiating data transfer syntax? Ans) The Presentation layer does the following: Manages data representation conversions, or data transfer syntax
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