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FDDI Media
Class B or SAS (single-attachment stations) attach to one ring Class A or DAS (dual attachment stations) attach to both rings.
SASs is attached to the primary ring by a concentrator which provides connections for multiple SASs. The concentrator makes sure that a failure or power down of any given SAS doesn't interrupt the ring. This is particularly useful when PCs or similar devices that frequently power on and off connect to the ring.
Every FDDI DAS has two ports designated A and B. These ports connect the station to the dual FDDI ring so each port provides a connection for both the primary and the secondary ring.
Assume the following 64-bit DES key (expressed in hexadecimal): FEFE FEFE FEFE FEFE (a) What is the term for such a key? (b) State the value of each of the 48-bit round keys
Load the Router with the Supplied Scripts Enable ! config term ! hostname Router1 ! enable secret class ! no ip domain-lookup ! interface FastEth
Selective Repeat ARQ - Processing at the receiver additionally complex - The window size is reduced to 2(m-1) (2m/2 at most) - Both the transmitter as well as the receiv
How can I identify the difference types of networks
Q. Show about Alternate mark inversion? Bipolar AMI - Neutral, zero voltage represents binary 0 - Binary 1s symbolized by alternating positive and negative voltages
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
Explain how Tracert actually work?
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You are the network administrator for the City of Joshua Texas. The city government offices are located in five buildings separated by a State Highway controlled by the State of Te
A data link is shared by 20 data sources. Each source is active only 10% of the time and produces 1Mbps data rate when active. The sources start their transmissions at random. a
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