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Q. Explain Dynamic Domain Name System?
DDNS
- Dynamic Domain Name System automatically updates the DNS master file
- Sent by DHCP to a primary DNS server; secondary servers are notified
Encapsulation
- DNS uses either UDP or TCP to send request, response messages using a well-known port
- UDP for messages less than 512 bytes
- Otherwise uses TCP
Q. Example on Multiplicative Decrease? w = 1 for (each new ACK received) w = w+1 until (loss detected or w >= ssthresh) Not so slow - Exponential increase
Question: (a) Show the main elements of the GSM system architecture and describe their functions. (b) Looking at the HLR/VLR database approach used in GSM-how does this arc
what is the best time to use brouter rather than router? what are advantages of using brouter over router?
Can you describe RPC (Remote Procedure Calls)?
Q. Explain Stop--and--Wait automatic repeat request? 1. Numbering frames prevents the retaining off duplicate frames. 2. Numbered acknowledgement are needed in case of delay
A carrier is frequency modulated with a sinusoidal signal of 2 kHz, resulting in a maximum frequency deviation of 5 kHz. (a) Find the bandwidth of the modulated signal (b) The ampl
When an error is discovered the receiver is able to ask the sender to retransmit the entire data unit Error Correction-Forward Error Correction A receiver is able to u
write on everything on telecommunication
How do we diactivate auto-summarization in RIP?
First, split the given series of n numbers into two parts, each consisting of n/2 numbers. After that, recursively split the series into two parts until each number acts as an inde
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