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Carrier Sense Multiple Access/Collision Avoidance
a) Necessary since wireless LANs cannot implement CSMA/CD
b) Collision detection requires increased bandwidth requirements
c) Collisions might not be detected due to obstacles
d) Distance between stations may prevent collisions from being heard
e) Collision avoidance is accomplished through network allocation vector (NAV)
Computer Networking 1. Explain different network structures in use. 2. Elaborate the architecture and usage of ISDN. 3. Discuss the concept of framing in Data Link Layer
What is Stop-and-Wait Automatic Repeat Request? Error correction in Stop-and-Wait ARQ is implemented by keeping a copy of the sent frame and retransmitting of the frame when th
Why do we require to subtract two from number of hosts?
What is the role of IEEE in computer networking? IEEE, or the Institute of Electrical and Electronics Engineers, is an organization composed of engineers that issues and manage
Disadvantages of IP sec Tunnelling mode IP sec tunnelling mode has the following disadvantage a.Encryption of small packets generates a lot networks over head thu
Q. Modem stands for modulator - demodulator ? - Modulator are to creates an analog signal from binary data - Demodulator are to recovers the binary data from the modulated s
Q. Show Ethernet Media standard? - The cables and connector specifications utilized to support Ethernet implementations are derived from the EIA/TIA (Electronic Industries Asso
1. Suppose the datagram source allocates 12 bytes for this option. Then when the datagram leaves the source host, the RR option area will be like this: 7 12 4 0 0 0 0 0 0 0 0 0
Q. Security and Reciprocity of RSA? Security and Reciprocity of RSA - Kp and N are issued publicly. - Ks is kept secret. - Since the snooper does not know p and
a) Peer-to-Peer Network Computers can act as both servers sharing resources and as clients using the resources. b) Server-based Network Give centralized control of netwo
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