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Describe shor note on Physical layer?
What are MAC addresses? MAC, or Media Access Control, uniquely identifies a device on the network. It is also called as physical address or Ethernet address. A MAC address is m
Efficiency of a data communications system depends on three fundamental characteristics - Delivery: The system should deliver data to the correct destination. Data should be r
FRAME FILTERING: The very important task a bridge operates is frame filtering. If both the destination and source are on the same segment, it does not repeat the frame to the
In Novell's use of RIP, there are two metrics used to make routing decisions. What are they? Ans) A. Ticks. B. Hops
How many dissimilar types of subnet classful networks are present?
QUESTION a) National regulations require the availability of the following services for all IP to PSTN, PSTN to IP, and IP to IP calls. Name any three types of these features
Unbound Transmission Media Unbound transmission media extend beyond the limiting confines of cabling. They give a good communication alternative for WANS. The lack of physical
In collective message passing, all the processes of a set participate in communication. MPI gives a number of functions to execute the collective message passing. Some of them are
A network in which there is multiple network links among computers to provide multiple paths for data to travel.
5. Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frame are 25 bytes long. Calculate the efficiency of Stop-and-Wait ARQ in a system t
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