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Q. Show the Flow characteristics?
Flow characteristics
Reliability - if lacking means that packets or ACKs are lost
- more important with FTP, SMTP than with audio conferencing
Delay - source to destination delay
- telephony, audio & video conferencing more prone to delay
Jitter - variation in delay for packets belonging to the same flow
- real-time audio & video cannot tolerate high jitter
Bandwidth
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
On a LAN where are IP Datagram transported?
Explain Asymmetric encryption
IP plus port (IP on layer 3 and port on Layer 4 - In Encapsulation, socket base decision on Network Layer -Layer 3)
QUESTION (a) Define what you understand by the following terms in Network Flows: i) UnDirected Path ii) Directed Path iii) Directed Cycle. iv) Tree In each of th
Q. What are the Tools sued for Cryptography and Web Security? Tools - Cryptography VPN - remote access PGP - email Dedicated Circuits -tunnels' - IPSec
Problem 1: (a) Briefly explain each of the following wireless standards: (i) WiFi (ii) WiMAX (iii) 3G. Problem 2: (b) Bluetooth is an industrial specific
Determine the disadvantages of SOCKS protocol The main problem with SOCKS is that it lacks transparency to software developers and users. Implementation requires a change to
Question: (a) The diagram below shows a configuration of Internet routers (A-F) which achieve dynamic routing through the use of a Distance Vector routing algorithm. The metr
define reliable transmission of data
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