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State about the Bus Topology
Comments
1 - Requires less cabling than a star network
2 - If there is a central cable problem entire netwo.
rk goes down
3 - Less expensive network than other systems
4 - Works best with a limited number of stations; performance worsens as new stations added
Different parts of dialogs in Session layer?
Explain Network Services Network services are the thing that a network can do. The main networking services are File Services: This contains file transfer, storage, data m
IEEE 802.4-Token bus Physical line or tree however logical ring. Stations know "left" as well as "right" stations. One token "passed" from station to station. Only station with
As there will be more devices there will be more traffic of information. We can include capacity to WAN by adding more links and packet switches. Packet switches use not have compu
Describe in details about applications of Computer Networks ?
Q. Error Detection-General? Sender transmits every data unit twice Receiver performs bit-by-bit comparison between those two versions of data. Any mismatch would
TYPES OF PARALLEL PROGRAMMING There are several parallel programming models in common use. Some of these are: Message Passing; Data Parallel programming; Shared
Message passing is probably the most extensively used parallel programming paradigm today. It is the mainly natural, portable and efficient approach for distributed memory systems.
802.11g OFDM a) Uses OFDM with same 2.4 GHz band b) Achieves a 54-Mbps data rate c) Works with same 802.11b equipment
What Automatic Repeat Request (ARQ)? Error control is both error detection and error correction. It allows the receiver to inform the sender of any frames lost or damaged in tr
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