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Can you describe the concept of IP multicasting or multicast IP address?
Q. Example of go back - N protocol? The window size is 4. A sender has sent frame 6 as well as the timer expires for frame 3 (frame 3 not ACKn'd). The sender goes back as we
Q. Explain about Congestion control? Congestion control Open-loop congestion control - prevent congestion before it happens retransmission policy - Ret
Password Authentication Protocols (PAP) PAP implements the traditional username and password authentication methods. At the request from an authenticator the client respon
if the signal input to an amplifier is 0 dBm what is the power output in mW if the gain of the amplifier is 20 dB ?
Error control in TCP-duplicate & out-of-order segment- Duplicate segment - The destination TCP merely discards the segment Out-of-order segment - Not acknowledged unt
Explain Persistence timer? To deal with the zero-size windows What if a receiver advertises that the window size is 0 (by sending ACK) and this ACK is lost? - A
PVM uses two environment variables when starting and running. Every PVM user needs to set these two variables to use PVM. The initial variable is PVM_ROOT, which is set to the loca
Address Resolution Protocol resolves the MAC address if the IP address is known. It is a layer 3 protocol.
Many benefits of configuring VLAN as listed below: • Performance Enhancements: It reduces heavy load on the network by permitting operations at lower latencies by using VLAN t
How Firewall configuration makes all the difference The greatest blunder that any company make is to just install a firewall and think that they have ensured perfect securit
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